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Propranolol and hydrochlorothiazide: Drug information

Propranolol and hydrochlorothiazide: Drug information
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For additional information see "Propranolol and hydrochlorothiazide: Patient drug information"

For abbreviations, symbols, and age group definitions show table
Pharmacologic Category
  • Antihypertensive;
  • Beta-Blocker, Nonselective;
  • Diuretic, Thiazide
Dosing: Adult
Hypertension

Hypertension: Oral: Initial: Propranolol 40 mg/hydrochlorothiazide 25 mg twice daily; may titrate gradually based on blood pressure response; maximum: propranolol 160 mg/hydrochlorothiazide 50 mg per day.

Note: Dose is individualized. For doses of propranolol >160 mg, combination product not appropriate.

Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.

Dosing: Kidney Impairment: Adult

There are no dosage adjustments provided in the manufacturer’s labeling. However, renal impairment increases systemic exposure to propranolol. Use with caution. The following adjustments have been recommended for hydrochlorothiazide (Ref):

CrCl ≥10 mL/minute: No dosage adjustment necessary. Usually ineffective with CrCl <30 mL/minute unless in combination with a loop diuretic.

CrCl <10 mL/minute: Use not recommended.

Dosing: Liver Impairment: Adult

There are no dosage adjustments provided in the manufacturer’s labeling. However, hepatic impairment increases systemic exposure to propranolol. Use with caution.

Dosing: Older Adult

Refer to adult dosing.

Adverse Reactions

See individual agents.

Contraindications

Hypersensitivity to propranolol, hydrochlorothiazide, other beta-blockers, other sulfonamide-derived drugs, or any component of the formulation; heart failure (unless the failure is due to tachyarrhythmias being treated with propranolol); cardiogenic shock; sinus bradycardia; heart block greater than first-degree; bronchial asthma; anuria

Note: Although the FDA-approved product labeling states this medication is contraindicated in patients with hypersensitivity to sulfonamide-containing drugs, the scientific basis of this cross-sensitivity has been challenged.

Warnings/Precautions

Concerns related to adverse effects:

• Anaphylactic reactions: Use caution with history of severe anaphylaxis to allergens; patients taking beta-blockers may become more sensitive to repeated challenges. Treatment of anaphylaxis (eg, epinephrine) in patients taking beta-blockers may be ineffective or promote undesirable effects.

• Electrolyte disturbances: Hypokalemia, hypochloremic alkalosis, hypomagnesemia, and hyponatremia can occur. As appropriate, correct electrolyte disturbances prior to initiation.

• Gout: In certain patients with a history of gout, a familial predisposition to gout, or chronic renal failure, gout can be precipitated by hydrochlorothiazide. This risk may be increased with doses ≥25 mg (Gurwitz 1997).

• Ocular effects: Hydrochlorothiazide may cause acute transient myopia and acute angle-closure glaucoma, typically occurring within hours to weeks following initiation; discontinue therapy immediately in patients with acute decreases in visual acuity or ocular pain. Additional treatments may be needed if uncontrolled intraocular pressure persists. Risk factors may include a history of sulfonamide or penicillin allergy.

• Photosensitivity: Photosensitization may occur with hydrochlorothiazide.

• Skin cancer, nonmelanoma: Prolonged use (≥3 years) may increase the risk for squamous cell carcinoma up to 4 times and increase the risk for basal cell carcinoma up to 1.25 times compared to patients not treated with hydrochlorothiazide (Pedersen 2018; Pottegård 2017).

• Sulfonamide (“sulfa”) allergy: The FDA-approved product labeling for many medications containing a sulfonamide chemical group includes a broad contraindication in patients with a prior allergic reaction to sulfonamides. There is a potential for cross-reactivity between members of a specific class (eg, 2 antibiotic sulfonamides). However, concerns for cross-reactivity have previously extended to all compounds containing the sulfonamide structure (SO2NH2). An expanded understanding of allergic mechanisms indicates cross-reactivity between antibiotic sulfonamides and nonantibiotic sulfonamides may not occur or at the very least this potential is extremely low (Brackett 2004; Johnson 2005; Slatore 2004; Tornero 2004). In particular, mechanisms of cross-reaction due to antibody production (anaphylaxis) are unlikely to occur with nonantibiotic sulfonamides. T-cell-mediated (type IV) reactions (eg, maculopapular rash) are less well understood and it is not possible to completely exclude this potential based on current insights. In cases where prior reactions were severe (Stevens-Johnson syndrome/TEN), some clinicians choose to avoid exposure to these classes.

Disease-related concerns:

• Bariatric surgery: Dehydration: Avoid diuretics in the immediate postoperative period after bariatric surgery; electrolyte disturbances and dehydration may occur. Diuretics may be resumed, if indicated, once oral fluid intake goals are met (Ziegler 2009).

• Bronchospastic disease: In general, patients with bronchospastic disease should not receive beta-blockers; if used at all, should be used cautiously with close monitoring.

• Conduction abnormality: Consider preexisting conditions such as sick sinus syndrome before initiating.

• Diabetes: Use with caution in patients with diabetes mellitus; may potentiate hypoglycemia and/or mask signs and symptoms.

• Heart failure (HF): Use with caution in patients with compensated HF and monitor for a worsening of the condition (efficacy of propranolol in HF has not been demonstrated).

• Hepatic impairment: Use with caution in patients with hepatic impairment.

• Hypercalcemia: Thiazide diuretics may decrease renal calcium excretion; consider avoiding use in patients with hypercalcemia.

• Hypercholesterolemia: Use hydrochlorothiazide with caution in patients with moderate or high cholesterol concentrations.

• Myasthenia gravis: Use with caution in patients with myasthenia gravis.

• Parathyroid disease: Thiazide diuretics reduce calcium excretion; pathologic changes in the parathyroid glands with hypercalcemia and hypophosphatemia have been observed with prolonged use; should be discontinued prior to testing for parathyroid function.

• Peripheral vascular disease (PVD) and Raynaud disease: Can precipitate or aggravate symptoms of arterial insufficiency in patients with PVD and Raynaud disease. Use with caution and monitor for progression of arterial obstruction.

• Pheochromocytoma (untreated): Adequate alpha-blockade is required prior to use of any beta-blocker.

• Prinzmetal variant angina: Beta-blockers without alpha-1-adrenergic receptor blocking activity should be avoided in patients with Prinzmetal variant angina since unopposed alpha1-adrenergic receptors mediate coronary vasoconstriction and can worsen anginal symptoms (Mayer 1998).

• Psoriasis: Beta-blocker use has been associated with induction or exacerbation of psoriasis, but cause and effect have not been firmly established.

• Renal impairment: Use with caution in patients with renal impairment; may have increased side effects.

• Systemic lupus erythematosus (SLE): Hydrochlorothiazide can cause SLE exacerbation or activation.

• Thyroid disease: May mask signs of hyperthyroidism (eg, tachycardia). If thyrotoxicosis is suspected, carefully manage and monitor; abrupt withdrawal may exacerbate symptoms of hyperthyroidism or precipitate thyroid storm. Alterations in thyroid function tests may be observed.

Special populations:

• Older adult: Bradycardia may be observed more frequently in elderly patients (>65 years of age); dosage reductions may be necessary.

• Smokers: Cigarette smoking may decrease plasma levels of propranolol by increasing metabolism. Patients should be advised to avoid smoking.

Other warnings/precautions:

• Abrupt withdrawal: Beta-blocker therapy should not be withdrawn abruptly (particularly in patients with CAD), but gradually tapered to avoid acute tachycardia, hypertension, and/or ischemia. Severe exacerbation of angina, ventricular arrhythmias, and myocardial infarction (MI) have been reported following abrupt withdrawal of beta-blocker therapy. Temporary but prompt resumption of beta-blocker therapy may be indicated with worsening of angina or acute coronary insufficiency.

• Major surgery: Chronic beta-blocker therapy should not be routinely withdrawn prior to major surgery.

Dosage Forms: US

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Tablet: Propranolol hydrochloride 40 mg and hydrochlorothiazide 25 mg [DSC]; propranolol hydrochloride 80 mg and hydrochlorothiazide 25 mg [DSC]

Generic Equivalent Available: US

Yes

Pricing: US

Tablets (Propranolol-HCTZ Oral)

40-25 mg (per each): $1.15

80-25 mg (per each): $1.41

Disclaimer: A representative AWP (Average Wholesale Price) price or price range is provided as reference price only. A range is provided when more than one manufacturer's AWP price is available and uses the low and high price reported by the manufacturers to determine the range. The pricing data should be used for benchmarking purposes only, and as such should not be used alone to set or adjudicate any prices for reimbursement or purchasing functions or considered to be an exact price for a single product and/or manufacturer. Medi-Span expressly disclaims all warranties of any kind or nature, whether express or implied, and assumes no liability with respect to accuracy of price or price range data published in its solutions. In no event shall Medi-Span be liable for special, indirect, incidental, or consequential damages arising from use of price or price range data. Pricing data is updated monthly.

Use: Labeled Indications

Hypertension: Management of hypertension.

Medication Safety Issues
Sound-alike/look-alike issues:

Inderide may be confused with Inderal

Adult: High-Risk Medication:

Beers Criteria: Diuretics (hydrochlorothiazide) are identified in the Beers Criteria as potentially inappropriate medications to be used with caution in patients 65 years and older because of the potential to cause or exacerbate syndrome of inappropriate antidiuretic hormone secretion (SIADH) or hyponatremia; monitor sodium concentration closely when initiating or adjusting the dose in older adults (Beers Criteria [AGS 2023]).

Metabolism/Transport Effects

Refer to individual components.

Drug Interactions

Note: Interacting drugs may not be individually listed below if they are part of a group interaction (eg, individual drugs within “CYP3A4 Inducers [Strong]” are NOT listed). For a complete list of drug interactions by individual drug name and detailed management recommendations, use the drug interactions program by clicking on the “Launch drug interactions program” link above.

Acetylcholinesterase Inhibitors: May increase bradycardic effects of Beta-Blockers. Risk C: Monitor

Agents with Clinically Relevant Anticholinergic Effects: May increase serum concentration of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Ajmaline: May increase serum concentration of CYP2D6 Substrates (High risk with Inhibitors). Risk C: Monitor

Ajmaline: Sulfonamides may increase adverse/toxic effects of Ajmaline. Specifically, the risk for cholestasis may be increased. Risk C: Monitor

Alcohol (Ethyl): May decrease serum concentration of Propranolol. Alcohol (Ethyl) may increase serum concentration of Propranolol. Risk C: Monitor

Alfuzosin: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Allopurinol: Thiazide and Thiazide-Like Diuretics may increase hypersensitivity effects of Allopurinol. Risk C: Monitor

Alpha2-Agonists: Beta-Blockers may increase rebound hypertensive effects of Alpha2-Agonists. This effect can occur when the Alpha2-Agonist is abruptly withdrawn. Alpha2-Agonists may increase AV-blocking effects of Beta-Blockers. Sinus node dysfunction may also be enhanced. Management: Closely monitor heart rate during treatment with a beta blocker and clonidine. Withdraw beta blockers several days before clonidine withdrawal when possible, and monitor blood pressure closely. Recommendations for other alpha2-agonists are unavailable. Risk D: Consider Therapy Modification

Amifostine: Blood Pressure Lowering Agents may increase hypotensive effects of Amifostine. Management: When used at chemotherapy doses, hold blood pressure lowering medications for 24 hours before amifostine administration. If blood pressure lowering therapy cannot be held, do not administer amifostine. Use caution with radiotherapy doses of amifostine. Risk D: Consider Therapy Modification

Aminolevulinic Acid (Systemic): Photosensitizing Agents may increase photosensitizing effects of Aminolevulinic Acid (Systemic). Risk X: Avoid

Aminolevulinic Acid (Topical): Photosensitizing Agents may increase photosensitizing effects of Aminolevulinic Acid (Topical). Risk C: Monitor

Amiodarone: May increase bradycardic effects of Beta-Blockers. Possibly to the point of cardiac arrest. Amiodarone may increase serum concentration of Beta-Blockers. Risk C: Monitor

Amphetamines: May decrease antihypertensive effects of Antihypertensive Agents. Risk C: Monitor

Angiotensin-Converting Enzyme Inhibitors: Thiazide and Thiazide-Like Diuretics may increase hypotensive effects of Angiotensin-Converting Enzyme Inhibitors. Thiazide and Thiazide-Like Diuretics may increase nephrotoxic effects of Angiotensin-Converting Enzyme Inhibitors. Risk C: Monitor

Antidiabetic Agents: Beta-Blockers (Nonselective) may increase hypoglycemic effects of Antidiabetic Agents. Beta-Blockers (Nonselective) may increase adverse/toxic effects of Antidiabetic Agents. Specifically, beta-blockers may mask the hypoglycemic symptoms of antidiabetic agents. Risk C: Monitor

Antidiabetic Agents: Hyperglycemia-Associated Agents may decrease therapeutic effects of Antidiabetic Agents. Risk C: Monitor

Antidiabetic Agents: Thiazide and Thiazide-Like Diuretics may decrease therapeutic effects of Antidiabetic Agents. Risk C: Monitor

Antipsychotic Agents (Phenothiazines): May increase hypotensive effects of Beta-Blockers. Beta-Blockers may decrease metabolism of Antipsychotic Agents (Phenothiazines). Antipsychotic Agents (Phenothiazines) may decrease metabolism of Beta-Blockers. Risk C: Monitor

Antipsychotic Agents (Second Generation [Atypical]): Blood Pressure Lowering Agents may increase hypotensive effects of Antipsychotic Agents (Second Generation [Atypical]). Risk C: Monitor

Arginine: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Arsenic Trioxide: Thiazide and Thiazide-Like Diuretics may increase hypotensive effects of Arsenic Trioxide. Thiazide and Thiazide-Like Diuretics may increase QTc-prolonging effects of Arsenic Trioxide. Management: When possible, avoid concurrent use of arsenic trioxide with drugs that can cause electrolyte abnormalities, such as the thiazide and thiazide-like diuretics. Risk D: Consider Therapy Modification

Artemether and Lumefantrine: May increase serum concentration of CYP2D6 Substrates (High risk with Inhibitors). Risk C: Monitor

Barbiturates: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Benperidol: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Beta2-Agonists: Beta-Blockers (Nonselective) may decrease bronchodilatory effects of Beta2-Agonists. Risk X: Avoid

Bile Acid Sequestrants: May decrease absorption of Thiazide and Thiazide-Like Diuretics. Management: Separate administration of bile acid sequestrants and oral thiazide diuretics by at least 4 hours. Monitor for decreased therapeutic effects of thiazide diuretics if coadministered with a bile acid sequestrant. Risk D: Consider Therapy Modification

Bradycardia-Causing Agents: May increase bradycardic effects of Bradycardia-Causing Agents. Risk C: Monitor

Brigatinib: May decrease antihypertensive effects of Antihypertensive Agents. Brigatinib may increase bradycardic effects of Antihypertensive Agents. Risk C: Monitor

Brimonidine (Topical): May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Broccoli: May decrease serum concentration of CYP1A2 Substrates (High risk with Inducers). Risk C: Monitor

Bromperidol: May decrease hypotensive effects of Blood Pressure Lowering Agents. Blood Pressure Lowering Agents may increase hypotensive effects of Bromperidol. Risk X: Avoid

BUPivacaine: Propranolol may increase serum concentration of BUPivacaine. Risk C: Monitor

Cafedrine: May increase bradycardic effects of Beta-Blockers. Beta-Blockers may decrease therapeutic effects of Cafedrine. Risk C: Monitor

Calcium Salts: Thiazide and Thiazide-Like Diuretics may increase serum concentration of Calcium Salts. Risk C: Monitor

Cannabis: Beta-Blockers may increase adverse/toxic effects of Cannabis. Specifically, the risk of hypoglycemia may be increased. Risk C: Monitor

Cannabis: May decrease serum concentration of CYP1A2 Substrates (High risk with Inducers). Risk C: Monitor

Cardiac Glycosides: Thiazide and Thiazide-Like Diuretics may increase adverse/toxic effects of Cardiac Glycosides. Specifically, cardiac glycoside toxicity may be enhanced by the hypokalemic and hypomagnesemic effect of thiazide diuretics. Risk C: Monitor

Ceritinib: Bradycardia-Causing Agents may increase bradycardic effects of Ceritinib. Management: If this combination cannot be avoided, monitor patients for evidence of symptomatic bradycardia, and closely monitor blood pressure and heart rate during therapy. Risk D: Consider Therapy Modification

Certoparin: May increase serum concentration of Propranolol. Risk C: Monitor

Charcoal, Activated: May decrease therapeutic effects of Propranolol. Risk C: Monitor

Cholinergic Agonists: Beta-Blockers may increase adverse/toxic effects of Cholinergic Agonists. Of particular concern are the potential for cardiac conduction abnormalities and bronchoconstriction. Risk C: Monitor

Cimetidine: May increase serum concentration of Propranolol. Risk C: Monitor

CloZAPine: CYP1A2 Inhibitors (Weak) may increase serum concentration of CloZAPine. Risk C: Monitor

Corticosteroids (Systemic): May increase hypokalemic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

CycloPHOSphamide: Thiazide and Thiazide-Like Diuretics may increase adverse/toxic effects of CycloPHOSphamide. Specifically, granulocytopenia may be enhanced. Risk C: Monitor

CYP1A2 Inducers (Moderate): May decrease serum concentration of Propranolol. Risk C: Monitor

CYP1A2 Inhibitors (Moderate): May increase serum concentration of Propranolol. Risk C: Monitor

CYP1A2 Inhibitors (Strong): May increase serum concentration of Propranolol. Management: Use a lower initial propranolol dose and be more cautious during propranolol dose titration when combined with strong CYP1A2 inhibitors. Risk D: Consider Therapy Modification

CYP2D6 Inhibitors (Moderate): May increase serum concentration of Propranolol. Risk C: Monitor

CYP2D6 Inhibitors (Strong): May increase serum concentration of Propranolol. Risk C: Monitor

Desmopressin: Hyponatremia-Associated Agents may increase hyponatremic effects of Desmopressin. Risk C: Monitor

Dexketoprofen: May increase adverse/toxic effects of Sulfonamides. Risk C: Monitor

Dexmethylphenidate: May decrease therapeutic effects of Antihypertensive Agents. Risk C: Monitor

Diacerein: May increase therapeutic effects of Diuretics. Specifically, the risk for dehydration or hypokalemia may be increased. Risk C: Monitor

Diazoxide Choline: May increase serum concentration of CYP1A2 Substrates (High risk with Inhibitors). Risk X: Avoid

Diazoxide: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Diazoxide: Thiazide and Thiazide-Like Diuretics may increase adverse/toxic effects of Diazoxide. Risk C: Monitor

Dichlorphenamide: Thiazide and Thiazide-Like Diuretics may increase hypokalemic effects of Dichlorphenamide. Risk C: Monitor

Dipyridamole: May increase bradycardic effects of Beta-Blockers. Risk C: Monitor

Disopyramide: May increase bradycardic effects of Beta-Blockers. Beta-Blockers may increase negative inotropic effects of Disopyramide. Risk C: Monitor

DOBUTamine: Beta-Blockers may decrease therapeutic effects of DOBUTamine. Risk C: Monitor

Dofetilide: HydroCHLOROthiazide may increase QTc-prolonging effects of Dofetilide. HydroCHLOROthiazide may increase serum concentration of Dofetilide. Risk X: Avoid

Doxofylline: Propranolol may increase serum concentration of Doxofylline. Risk C: Monitor

Dronedarone: May increase bradycardic effects of Beta-Blockers. Dronedarone may increase serum concentration of Beta-Blockers. This likely applies only to those agents that are metabolized by CYP2D6. Management: Use lower initial beta-blocker doses; adequate tolerance of the combination, based on ECG findings, should be confirmed prior to any increase in beta-blocker dose. Increase monitoring for clinical response and adverse effects. Risk D: Consider Therapy Modification

DULoxetine: Blood Pressure Lowering Agents may increase hypotensive effects of DULoxetine. Risk C: Monitor

EPHEDrine (Systemic): Beta-Blockers may decrease therapeutic effects of EPHEDrine (Systemic). Risk C: Monitor

EPINEPHrine (Nasal): Beta-Blockers (Nonselective) may increase hypertensive effects of EPINEPHrine (Nasal). Risk C: Monitor

EPINEPHrine (Oral Inhalation): Beta-Blockers (Nonselective) may increase hypertensive effects of EPINEPHrine (Oral Inhalation). Risk C: Monitor

EPINEPHrine (Systemic): Beta-Blockers (Nonselective) may increase hypertensive effects of EPINEPHrine (Systemic). Risk C: Monitor

EPINEPHrine (Systemic): Diuretics may increase arrhythmogenic effects of EPINEPHrine (Systemic). Diuretics may decrease vasopressor effects of EPINEPHrine (Systemic). Risk C: Monitor

Ergot Derivatives (Vasoconstrictive CYP3A4 Substrates): Beta-Blockers may increase vasoconstricting effects of Ergot Derivatives (Vasoconstrictive CYP3A4 Substrates). Risk C: Monitor

Etilefrine: Beta-Blockers may decrease therapeutic effects of Etilefrine. Etilefrine may increase bradycardic effects of Beta-Blockers. Risk C: Monitor

Etofylline: Beta-Blockers may decrease therapeutic effects of Etofylline. Risk X: Avoid

Etrasimod: May increase bradycardic effects of Bradycardia-Causing Agents. Risk C: Monitor

Fexinidazole: Bradycardia-Causing Agents may increase arrhythmogenic effects of Fexinidazole. Risk X: Avoid

Fezolinetant: CYP1A2 Inhibitors (Weak) may increase serum concentration of Fezolinetant. Risk X: Avoid

Fingolimod: Bradycardia-Causing Agents may increase bradycardic effects of Fingolimod. Management: Consult with the prescriber of any bradycardia-causing agent to see if the agent could be switched to an agent that does not cause bradycardia prior to initiating fingolimod. If combined, perform continuous ECG monitoring after the first fingolimod dose. Risk D: Consider Therapy Modification

Flunarizine: May increase therapeutic effects of Antihypertensive Agents. Risk C: Monitor

Grass Pollen Allergen Extract (5 Grass Extract): Beta-Blockers may increase adverse/toxic effects of Grass Pollen Allergen Extract (5 Grass Extract). More specifically, Beta-Blockers may inhibit the ability to effectively treat severe allergic reactions to Grass Pollen Allergen Extract (5 Grass Extract) with epinephrine. Some other effects of epinephrine may be unaffected or even enhanced (e.g., vasoconstriction) during treatment with Beta-Blockers. Management: Consider alternatives to either grass pollen allergen extract (5 grass extract) or beta-blockers in patients with indications for both agents. Canadian product labeling specifically lists this combination as contraindicated. Risk D: Consider Therapy Modification

Guggul: May decrease serum concentration of Propranolol. Risk C: Monitor

Herbal Products with Blood Pressure Increasing Effects: May decrease antihypertensive effects of Antihypertensive Agents. Risk C: Monitor

Herbal Products with Blood Pressure Lowering Effects: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Hypotension-Associated Agents: Blood Pressure Lowering Agents may increase hypotensive effects of Hypotension-Associated Agents. Risk C: Monitor

Iloperidone: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Indoramin: May increase hypotensive effects of Antihypertensive Agents. Risk C: Monitor

Insulin: Beta-Blockers (Nonselective) may increase hypoglycemic effects of Insulin. Beta-Blockers (Nonselective) may decrease therapeutic effects of Insulin. Risk C: Monitor

Ipragliflozin: May increase adverse/toxic effects of Thiazide and Thiazide-Like Diuretics. Specifically, the risk for intravascular volume depletion may be increased. Risk C: Monitor

Isocarboxazid: May increase antihypertensive effects of Antihypertensive Agents. Risk X: Avoid

Isocarboxazid: May increase hypotensive effects of Diuretics. Risk X: Avoid

Isoproterenol: Beta-Blockers may decrease therapeutic effects of Isoproterenol. Risk C: Monitor

Ivabradine: Bradycardia-Causing Agents may increase bradycardic effects of Ivabradine. Risk C: Monitor

Ivabradine: Thiazide and Thiazide-Like Diuretics may increase arrhythmogenic effects of Ivabradine. Risk C: Monitor

Lacidipine: May increase hypotensive effects of Propranolol. Lacidipine may increase serum concentration of Propranolol. Propranolol may decrease serum concentration of Lacidipine. Risk C: Monitor

Lacosamide: Bradycardia-Causing Agents may increase AV-blocking effects of Lacosamide. Risk C: Monitor

Landiolol: Bradycardia-Causing Agents may increase bradycardic effects of Landiolol. Risk X: Avoid

Lasmiditan: May increase bradycardic effects of Propranolol. Lasmiditan may decrease therapeutic effects of Propranolol. Specifically, blood pressure may increase during coadministration. Risk C: Monitor

Levodopa-Foslevodopa: Blood Pressure Lowering Agents may increase hypotensive effects of Levodopa-Foslevodopa. Risk C: Monitor

Levosulpiride: Thiazide and Thiazide-Like Diuretics may increase adverse/toxic effects of Levosulpiride. Risk X: Avoid

Licorice: May increase hypokalemic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Lidocaine (Systemic): Propranolol may increase serum concentration of Lidocaine (Systemic). Risk C: Monitor

Liraglutide: May decrease therapeutic effects of Propranolol. Specifically, the heart rate lowering effect of propranolol may be diminished. Propranolol may increase hypoglycemic effects of Liraglutide. Propranolol may decrease therapeutic effects of Liraglutide. Risk C: Monitor

Lithium: Thiazide and Thiazide-Like Diuretics may decrease excretion of Lithium. Management: Reduce the lithium dose if coadministered with thiazide or thiazide-like diuretics. Monitor serum lithium levels during coadministration with thiazide and thiazide-like diuretics. Risk D: Consider Therapy Modification

Loop Diuretics: May increase hypotensive effects of Antihypertensive Agents. Risk C: Monitor

Lormetazepam: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Mavacamten: Beta-Blockers may increase adverse/toxic effects of Mavacamten. Specifically, negative inotropic effects may be increased. Risk C: Monitor

Mavorixafor: May increase serum concentration of CYP2D6 Substrates (High risk with Inhibitors). Risk X: Avoid

Mecamylamine: Thiazide and Thiazide-Like Diuretics may increase adverse/toxic effects of Mecamylamine. Management: Consider avoiding the use of mecamylamine and thiazide diuretics. If combined, mecamylamine prescribing information suggests reducing the mecamylamine dose by 50% in order to avoid excessive hypotension. Risk D: Consider Therapy Modification

Mepivacaine: Propranolol may increase serum concentration of Mepivacaine. Risk C: Monitor

Metergoline: May decrease antihypertensive effects of Blood Pressure Lowering Agents. Blood Pressure Lowering Agents may increase orthostatic hypotensive effects of Metergoline. Risk C: Monitor

Methacholine: Beta-Blockers may increase adverse/toxic effects of Methacholine. Risk C: Monitor

Methenamine: Thiazide and Thiazide-Like Diuretics may decrease therapeutic effects of Methenamine. Risk C: Monitor

Methotrexate: HydroCHLOROthiazide may increase nephrotoxic effects of Methotrexate. Risk C: Monitor

Methoxsalen (Systemic): Photosensitizing Agents may increase photosensitizing effects of Methoxsalen (Systemic). Risk C: Monitor

Methylphenidate: May decrease antihypertensive effects of Antihypertensive Agents. Risk C: Monitor

Midodrine: May increase bradycardic effects of Bradycardia-Causing Agents. Risk C: Monitor

Mivacurium: Beta-Blockers may increase therapeutic effects of Mivacurium. Risk C: Monitor

Molsidomine: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Multivitamins/Fluoride (with ADE): May increase hypercalcemic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Multivitamins/Minerals (with ADEK, Folate, Iron): Thiazide and Thiazide-Like Diuretics may increase hypercalcemic effects of Multivitamins/Minerals (with ADEK, Folate, Iron). Risk C: Monitor

Multivitamins/Minerals (with AE, No Iron): Thiazide and Thiazide-Like Diuretics may increase serum concentration of Multivitamins/Minerals (with AE, No Iron). Specifically, thiazide diuretics may decrease the excretion of calcium, and continued concomitant use can also result in metabolic alkalosis. Risk C: Monitor

Naftopidil: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Neuromuscular-Blocking Agents (Nondepolarizing): Thiazide and Thiazide-Like Diuretics may increase neuromuscular-blocking effects of Neuromuscular-Blocking Agents (Nondepolarizing). Risk C: Monitor

Nicergoline: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Nicorandil: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

NIFEdipine (Topical): May increase adverse/toxic effects of Beta-Blockers. Risk C: Monitor

NIFEdipine: May increase hypotensive effects of Beta-Blockers. NIFEdipine may increase negative inotropic effects of Beta-Blockers. Risk C: Monitor

Nitrendipine: May increase therapeutic effects of Beta-Blockers. Risk C: Monitor

Nitroprusside: Blood Pressure Lowering Agents may increase hypotensive effects of Nitroprusside. Risk C: Monitor

Nonsteroidal Anti-Inflammatory Agents (Topical): May decrease therapeutic effects of Beta-Blockers. Risk C: Monitor

Nonsteroidal Anti-Inflammatory Agents (Topical): May decrease therapeutic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Nonsteroidal Anti-Inflammatory Agents: May decrease antihypertensive effects of Beta-Blockers. Risk C: Monitor

Nonsteroidal Anti-Inflammatory Agents: May decrease therapeutic effects of Thiazide and Thiazide-Like Diuretics. Thiazide and Thiazide-Like Diuretics may increase nephrotoxic effects of Nonsteroidal Anti-Inflammatory Agents. Risk C: Monitor

Obinutuzumab: May increase hypotensive effects of Blood Pressure Lowering Agents. Management: Consider temporarily withholding blood pressure lowering medications beginning 12 hours prior to obinutuzumab infusion and continuing until 1 hour after the end of the infusion. Risk D: Consider Therapy Modification

Opioid Agonists: May increase adverse/toxic effects of Diuretics. Opioid Agonists may decrease therapeutic effects of Diuretics. Risk C: Monitor

Opipramol: Beta-Blockers may increase serum concentration of Opipramol. Opipramol may increase serum concentration of Beta-Blockers. Risk C: Monitor

Ozanimod: May increase bradycardic effects of Bradycardia-Causing Agents. Risk C: Monitor

Palopegteriparatide: Thiazide and Thiazide-Like Diuretics may increase therapeutic effects of Palopegteriparatide. Thiazide and Thiazide-Like Diuretics may decrease therapeutic effects of Palopegteriparatide. Risk C: Monitor

Peginterferon Alfa-2b: May decrease serum concentration of CYP2D6 Substrates (High risk with Inhibitors). Peginterferon Alfa-2b may increase serum concentration of CYP2D6 Substrates (High risk with Inhibitors). Risk C: Monitor

Pentoxifylline: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Perazine: May increase hypotensive effects of Antihypertensive Agents. Risk C: Monitor

Pholcodine: Blood Pressure Lowering Agents may increase hypotensive effects of Pholcodine. Risk C: Monitor

Phosphodiesterase 5 Inhibitors: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Piperacillin: May increase hypokalemic effects of Diuretics. Risk C: Monitor

Polyethylene Glycol-Electrolyte Solution: Diuretics may increase nephrotoxic effects of Polyethylene Glycol-Electrolyte Solution. Risk C: Monitor

Ponesimod: Bradycardia-Causing Agents may increase bradycardic effects of Ponesimod. Management: Avoid coadministration of ponesimod with drugs that may cause bradycardia when possible. If combined, monitor heart rate closely and consider obtaining a cardiology consult. Do not initiate ponesimod in patients on beta-blockers if HR is less than 55 bpm. Risk D: Consider Therapy Modification

Porfimer: Photosensitizing Agents may increase photosensitizing effects of Porfimer. Risk X: Avoid

Prazosin: Antihypertensive Agents may increase hypotensive effects of Prazosin. Risk C: Monitor

Primaquine: May increase serum concentration of CYP1A2 Substrates (High risk with Inhibitors). Risk C: Monitor

Promazine: Thiazide and Thiazide-Like Diuretics may increase QTc-prolonging effects of Promazine. Risk X: Avoid

Propafenone: May increase serum concentration of Propranolol. Propranolol may increase serum concentration of Propafenone. Risk C: Monitor

Prostacyclin Analogues: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Quinagolide: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

QuiNIDine: May increase serum concentration of Propranolol. Risk C: Monitor

Reboxetine: May increase hypokalemic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Reserpine: May increase hypotensive effects of Beta-Blockers. Reserpine may increase bradycardic effects of Beta-Blockers. Risk C: Monitor

RifAMPin: May decrease serum concentration of Propranolol. Risk C: Monitor

Rifapentine: May decrease serum concentration of Propranolol. Risk C: Monitor

Rivastigmine: May increase bradycardic effects of Beta-Blockers. Risk X: Avoid

Rizatriptan: Propranolol may increase serum concentration of Rizatriptan. Management: Adults: limit rizatriptan to 5 mg (max 3 doses/24 hrs). Pediatrics: if weight 40 kg or more, limit rizatriptan to single 5 mg dose/24 hrs; do not combine if weight less than 40 kg. Rizatriptan oral film and meloxicam-rizatriptan combo are contraindicated. Risk D: Consider Therapy Modification

Selective Serotonin Reuptake Inhibitor: May increase hyponatremic effects of Thiazide and Thiazide-Like Diuretics. Risk C: Monitor

Silodosin: May increase hypotensive effects of Blood Pressure Lowering Agents. Risk C: Monitor

Siponimod: Bradycardia-Causing Agents may increase bradycardic effects of Siponimod. Management: Avoid coadministration of siponimod with drugs that may cause bradycardia. If combined, consider obtaining a cardiology consult regarding patient monitoring. Risk D: Consider Therapy Modification

Sodium Phosphates: Diuretics may increase nephrotoxic effects of Sodium Phosphates. Specifically, the risk of acute phosphate nephropathy may be enhanced. Risk C: Monitor

Sotagliflozin: HydroCHLOROthiazide may decrease therapeutic effects of Sotagliflozin. Sotagliflozin may decrease serum concentration of HydroCHLOROthiazide. Risk C: Monitor

Succinylcholine: Beta-Blockers may increase neuromuscular-blocking effects of Succinylcholine. Risk C: Monitor

Sulfonylureas: Beta-Blockers (Nonselective) may increase hypoglycemic effects of Sulfonylureas. Beta-Blockers (Nonselective) may decrease therapeutic effects of Sulfonylureas. Risk C: Monitor

Tasimelteon: Beta-Blockers may decrease therapeutic effects of Tasimelteon. Management: Consider avoiding nighttime administration of beta-blockers during tasimelteon therapy due to the potential for reduced tasimelteon efficacy. Risk D: Consider Therapy Modification

Terazosin: Antihypertensive Agents may increase hypotensive effects of Terazosin. Risk C: Monitor

Theodrenaline: May increase bradycardic effects of Beta-Blockers. Beta-Blockers may decrease therapeutic effects of Theodrenaline. Risk C: Monitor

Theophylline Derivatives: Beta-Blockers (Nonselective) may decrease bronchodilatory effects of Theophylline Derivatives. Risk C: Monitor

Theophylline Derivatives: CYP1A2 Inhibitors (Weak) may increase serum concentration of Theophylline Derivatives. Risk C: Monitor

Thioridazine: Propranolol may increase serum concentration of Thioridazine. Thioridazine may increase serum concentration of Propranolol. Risk X: Avoid

TiZANidine: CYP1A2 Inhibitors (Weak) may increase serum concentration of TiZANidine. Management: Avoid the use of tizanidine with weak CYP1A2 inhibitors when possible. If combined, monitor closely for increased tizanidine toxicities (eg, hypotension, bradycardia, drowsiness). Tizanidine dose reduction or discontinuation may be necessary. Risk D: Consider Therapy Modification

Tobacco (Smoked): May decrease serum concentration of Propranolol. Risk C: Monitor

Topiramate: Thiazide and Thiazide-Like Diuretics may increase hypokalemic effects of Topiramate. Thiazide and Thiazide-Like Diuretics may increase serum concentration of Topiramate. Risk C: Monitor

Toremifene: Thiazide and Thiazide-Like Diuretics may increase hypercalcemic effects of Toremifene. Risk C: Monitor

Urapidil: Antihypertensive Agents may increase hypotensive effects of Urapidil. Risk C: Monitor

Verteporfin: Photosensitizing Agents may increase photosensitizing effects of Verteporfin. Risk C: Monitor

Vitamin D Analogs: Thiazide and Thiazide-Like Diuretics may increase hypercalcemic effects of Vitamin D Analogs. Risk C: Monitor

White Birch Allergen Extract: Beta-Blockers may increase adverse/toxic effects of White Birch Allergen Extract. Specifically, beta-blockers may reduce the effectiveness of beta-agonists that may be required to treat systemic reactions to white birch allergen extract. Risk X: Avoid

Zileuton: May increase serum concentration of Propranolol. Risk C: Monitor

Pregnancy Considerations

Animal reproduction studies have not been conducted for this combination. See individual agents.

Breastfeeding Considerations

Propranolol and thiazide diuretics are present in breast milk. The manufacturer recommends that caution be exercised when administering propranolol/hydrochlorothiazide to breastfeeding women. See individual agents.

Monitoring Parameters

Blood pressure, heart rate; fluid and electrolyte balance; serum glucose regularly (in patients with diabetes); renal function

Mechanism of Action

Propranolol: Competitively blocks response to beta1- and beta2-adrenergic stimulation which results in decreases in heart rate, myocardial contractility, blood pressure, and myocardial oxygen demand. Reduces portal pressure by producing splanchnic vasoconstriction (beta2 effect) thereby reducing portal blood flow.

Hydrochlorothiazide: Inhibits sodium reabsorption in the distal tubules causing increased excretion of sodium and water as well as potassium and hydrogen ions.

Pharmacokinetics (Adult Data Unless Noted)

See individual agents.

Brand Names: International
International Brand Names by Country
For country code abbreviations (show table)

  • (AR) Argentina: Propayerst plus;
  • (BR) Brazil: Cloridrato de propranolol+hidroclorotiazida | Polol-h | Tenadren;
  • (CO) Colombia: Artensol h;
  • (DE) Germany: Betathiazid a;
  • (IN) India: Ciplar-h;
  • (PR) Puerto Rico: Inderide | Propranolol/hctz
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