Isosorbide dinitrate: Patient drug information
For additional information see "Isosorbide dinitrate: Drug information"
You must carefully read the "Consumer Information Use and Disclaimer" below in order to understand and correctly use this information.
Brand Names: US
- Dilatrate-SR [DSC];
- Isordil Titradose
What is this drug used for?
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It is used to prevent chest pain (angina pectoris) in people with heart disease.
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It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take this drug?
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If you are allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
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If you have any of these health problems: Heart failure (weak heart) or a recent heart attack.
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If you are taking any of these drugs: Avanafil, riociguat, sildenafil, tadalafil, or vardenafil.
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This is not a list of all drugs or health problems that interact with this drug.
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Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take this drug?
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Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
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If you are taking this drug for chest pain, it will not treat chest pain as it happens. This drug is only used to prevent or lower the number of chest pain attacks.
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If you have chest pain or pressure that is new or worse, get emergency medical care right away.
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Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
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To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Be careful going up and down stairs.
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Check blood pressure and heart rate as the doctor has told you.
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Talk with your doctor before you drink alcohol.
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If you have been taking this drug for a long time without a break, it may not work as well. This is known as tolerance. Be sure to have a "nitrate-free" period of time each day. Talk with your doctor if this drug stops working well. Do not take more than ordered.
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Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
What are some side effects that I need to call my doctor about right away?
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WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
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Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
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Severe dizziness or passing out.
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Fast or slow heartbeat.
What are some other side effects of this drug?
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All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
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You may have headaches when you start taking this drug. Most of the time it gets better with time. Do not change how you use this drug to avoid these headaches. Talk with your doctor for ways to lessen this side effect.
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These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
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You may report side effects to your national health agency.
How is this drug best taken?
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Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.
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All products:
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Do not stop taking this drug all of a sudden without calling your doctor. You may have a greater risk of side effects. If you need to stop this drug, you will want to slowly stop it as ordered by your doctor.
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Extended-release capsules:
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Swallow whole. Do not chew, break, or crush.
What do I do if I miss a dose?
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Take a missed dose as soon as you think about it.
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If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
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Do not take 2 doses at the same time or extra doses.
How do I store and/or throw out this drug?
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Store at room temperature protected from light. Store in a dry place. Do not store in a bathroom.
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Keep lid tightly closed.
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Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
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Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
General drug facts
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If your symptoms or health problems do not get better or if they become worse, call your doctor.
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Do not share your drugs with others and do not take anyone else's drugs.
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Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
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If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Last Reviewed Date2023-05-18
Consumer Information Use and Disclaimer
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This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider's examination and assessment of a patient's specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.
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