Version May 2024
Menstrual symptoms: Oral: Two tablets (acetaminophen 650 mg/pamabrom 50 mg) every 4 to 6 hours as needed; maximum: 8 tablets (acetaminophen 2,600 mg/pamabrom 200 mg) per day.
There are no dosage adjustments provided in the manufacturer's labeling.
There are no dosage adjustments provided in the manufacturer's labeling.
Children ≥12 years: Refer to adult dosing.
See Acetaminophen monograph.
OTC labeling: When used for self-medication, do not use with other drug products containing acetaminophen.
Concerns related to adverse effects:
• Hepatotoxicity: Acetaminophen may cause hepatic toxicity with acute overdose; in addition, chronic daily dosing has resulted in liver damage in some adults.
• Hypersensitivity/anaphylactic reactions: Hypersensitivity and anaphylactic reactions have been reported; discontinue immediately if symptoms of allergic or hypersensitivity reactions occur.
• Skin reactions: Rarely, acetaminophen may cause serious and potentially fatal skin reactions such as acute generalized exanthematous pustulosis, Stevens-Johnson syndrome (SJS), and toxic epidermal necrolysis (TEN). Discontinue treatment if severe skin reactions develop.
Disease-related concerns:
• Ethanol use: Use with caution in patients with alcoholic liver disease; consuming ≥3 alcoholic drinks/day may increase the risk of liver damage. Have patients avoid ethanol or limit to <3 drinks/day.
Special populations:
• Pediatric: Not for use in children <12 years of age.
Other warnings/precautions:
• Dosage limit: Limit acetaminophen dose to <4 g/day in adults.
• Self-medication (OTC use): Prior to self-medication, patients should contact health care provider if they have had liver disease. Advise patients to discontinue use and contact health care provider if new symptoms occur, if redness or swelling occurs, fever lasts >3 days, or pain lasts >10 days.
Excipient information presented when available (limited, particularly for generics); consult specific product labeling. [DSC] = Discontinued product
Tablet, Oral:
Cramp Tabs: Acetaminophen 325 mg and pamabrom 25 mg [DSC]
Midol Caffeine Free: Acetaminophen 500 mg and pamabrom 25 mg
Tylenol Women’s Menstrual Relief: Acetaminophen 500 mg and pamabrom 25 mg [DSC]
Yes
Tablets (Ms-Aid Oral)
500-25 mg (per each): $0.09
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.
Excipient information presented when available (limited, particularly for generics); consult specific product labeling. [DSC] = Discontinued product
Tablet, Oral:
Painaid PMF Premenstrual: Acetaminophen 500 mg and pamabrom 25 mg
Menstrual symptoms: Temporary relief of symptoms associated with premenstrual and menstrual symptoms (eg, cramps, bloating, water-weight gain, headache, backache, minor aches and pains, swelling, feeling full sensation).
Duplicate therapy issues: This product contains acetaminophen, which may be a component of other combination products. Do not exceed the maximum recommended daily dose of acetaminophen.
Refer to individual components.
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 Lexicomp drug interactions program by clicking on the “Launch drug interactions program” link above.
Alcohol (Ethyl): May enhance the hepatotoxic effect of Acetaminophen. Risk C: Monitor therapy
Busulfan: Acetaminophen may increase the serum concentration of Busulfan. Risk C: Monitor therapy
CarBAMazepine: May increase the metabolism of Acetaminophen. This may 1) diminish the effect of acetaminophen; and 2) increase the risk of liver damage. Risk C: Monitor therapy
Dapsone (Topical): May enhance the adverse/toxic effect of Methemoglobinemia Associated Agents. Risk C: Monitor therapy
Dasatinib: Acetaminophen may enhance the hepatotoxic effect of Dasatinib. Dasatinib may increase the serum concentration of Acetaminophen. Management: Avoid coadministration of acetaminophen and dasatinib if possible. If coadministration is unavoidable, monitor for signs/symptoms of hepatotoxicity, particularly in patients with greater acetaminophen exposure. Risk D: Consider therapy modification
Flucloxacillin: May enhance the adverse/toxic effect of Acetaminophen. Specifically, the risk for high anion gap metabolic acidosis may be increased. Risk C: Monitor therapy
Fosphenytoin-Phenytoin: May decrease the serum concentration of Acetaminophen. Specifically, serum concentrations of acetaminophen may be decreased (leading to decreased efficacy), but the formation of the toxic N-acetyl-p-benzoquinone imine (NAPQI) metabolite may be increased (leading to increased hepatotoxicity). Risk C: Monitor therapy
Imatinib: Acetaminophen may enhance the hepatotoxic effect of Imatinib. Risk C: Monitor therapy
Immune Checkpoint Inhibitors (Anti-PD-1, -PD-L1, and -CTLA4 Therapies): Acetaminophen may diminish the therapeutic effect of Immune Checkpoint Inhibitors (Anti-PD-1, -PD-L1, and -CTLA4 Therapies). Risk C: Monitor therapy
Isoniazid: May enhance the hepatotoxic effect of Acetaminophen. Isoniazid may increase the metabolism of Acetaminophen. Specifically, formation of the hepatotoxic NAPQI metabolite may be increased. Risk C: Monitor therapy
LamoTRIgine: Acetaminophen may decrease the serum concentration of LamoTRIgine. Risk C: Monitor therapy
Local Anesthetics: Methemoglobinemia Associated Agents may enhance the adverse/toxic effect of Local Anesthetics. Specifically, the risk for methemoglobinemia may be increased. Risk C: Monitor therapy
Lorlatinib: May decrease the serum concentration of Acetaminophen. Risk C: Monitor therapy
MetyraPONE: May increase the serum concentration of Acetaminophen. More importantly, by inhibiting the conjugative metabolism of acetaminophen, metyrapone may shift the metabolism towards the oxidative route that produces a hepatotoxic metabolite. Risk X: Avoid combination
Mipomersen: Acetaminophen may enhance the hepatotoxic effect of Mipomersen. Risk C: Monitor therapy
Mitapivat: May decrease the serum concentration of UGT1A1 Substrates. Risk C: Monitor therapy
Nitric Oxide: May enhance the adverse/toxic effect of Methemoglobinemia Associated Agents. Combinations of these agents may increase the likelihood of significant methemoglobinemia. Risk C: Monitor therapy
PHENobarbital: May increase the metabolism of Acetaminophen. Specifically, formation of the hepatotoxic NAPQI metabolite may be increased. Risk C: Monitor therapy
Phenylephrine (Systemic): Acetaminophen may increase the serum concentration of Phenylephrine (Systemic). Risk C: Monitor therapy
Prilocaine: Methemoglobinemia Associated Agents may enhance the adverse/toxic effect of Prilocaine. Combinations of these agents may increase the likelihood of significant methemoglobinemia. Management: Monitor patients for signs of methemoglobinemia (e.g., hypoxia, cyanosis) when prilocaine is used in combination with other agents associated with development of methemoglobinemia. Avoid lidocaine/prilocaine in infants receiving such agents. Risk C: Monitor therapy
Primidone: May increase the metabolism of Acetaminophen. Specifically, formation of the hepatotoxic NAPQI metabolite may be increased. Risk C: Monitor therapy
Probenecid: May increase the serum concentration of Acetaminophen. Probenecid may also limit the formation of at least one major non-toxic metabolite, possibly increasing the potential for formation of the toxic NAPQI metabolite. Management: Consider limiting acetaminophen use in combination with probenecid. Probenecid may reduce clearance of acetaminophen to one of its non-toxic metabolities, increasing the risk for acetaminophen toxicity, even a lower doses. Risk D: Consider therapy modification
RifAMPin: May enhance the hepatotoxic effect of Acetaminophen. RifAMPin may decrease the serum concentration of Acetaminophen. Risk C: Monitor therapy
Sodium Nitrite: Methemoglobinemia Associated Agents may enhance the adverse/toxic effect of Sodium Nitrite. Combinations of these agents may increase the likelihood of significant methemoglobinemia. Risk C: Monitor therapy
SORAfenib: Acetaminophen may enhance the hepatotoxic effect of SORAfenib. SORAfenib may increase the serum concentration of Acetaminophen. Management: Avoid coadministration of acetaminophen and sorafenib if possible. If coadministration is unavoidable, monitor for signs/symptoms of hepatotoxicity, particularly in patients with greater acetaminophen exposure. Risk D: Consider therapy modification
Vaccines: Acetaminophen may diminish the therapeutic effect of Vaccines. Management: Consider avoiding routine prophylactic use of acetaminophen before or during vaccine administration when possible. Acetaminophen is still recommended to treat fevers and/or pain that occurs after vaccination. Risk D: Consider therapy modification
Vitamin K Antagonists (eg, warfarin): Acetaminophen may enhance the anticoagulant effect of Vitamin K Antagonists. This appears most likely with daily acetaminophen doses exceeding 1.3 or 2 g/day for multiple consecutive days. Risk C: Monitor therapy
Refer to individual monographs.
Refer to individual monographs.
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