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isosorbide dinitrate

isosorbide dinitrate

Pronunciation: EYE soe SOR bide dye NYE trate

Brand: Dilatrate-SR, Isochron, Isordil Titradose

Isordil 40 mg

round, green, imprinted with WYETH 4192

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Isosorbide 10 mg-GG

round, white, imprinted with GG 26

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Isosorbide 10 mg-PAR

round, white, imprinted with par 021

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Isosorbide 20 mg-GG

round, green, imprinted with GG 227

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Isosorbide 30 mg-PAR

round, blue, imprinted with par 009

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Isosorbide Dinitrate 10 mg-MAJ

round, white, imprinted with W W, 771

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Isosorbide Dinitrate 2.5 mg SL-WES

round, yellow, imprinted with W1

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Isosorbide Dinitrate 20 mg-PAR

round, green, imprinted with par 022

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Isosorbide Dinitrate 20 mg-WES

round, green, imprinted with 772, W W, WW

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Isosorbide Dinitrate 40 mg ER-INW

round, peach, imprinted with 3613 IL

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Isosorbide Dinitrate 5 mg SL-WES

round, white, imprinted with W3

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Isosorbide Dinitrate 5 mg-GG

round, pink, imprinted with GG 259

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Isosorbide Dinitrate 5 mg-WES

round, white, imprinted with West-Ward 769

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What is the most important information I should know about isosorbide dinitrate?

Multum donot

Do not use isosorbide dinitrate if you are taking sildenafil (Viagra). Serious, life-threatening side effects can occur if you take isosorbide dinitrate while you are using sildenafil.

Multum donot

You should not use this medication if you are allergic to isosorbide dinitrate, isosorbide mononitrate (Imdur, ISMO, Monoket), or nitroglycerin, or if you have early signs of a heart attack (chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling).

Before taking isosorbide dinitrate, tell your doctor if you have congestive heart failure, low blood pressure, or kidney disease.

Isosorbide dinitrate can cause severe headaches, especially when you first start using it. These headaches may gradually become less severe as you continue to use the medication. Do not stop taking isosorbide dinitrate. Ask your doctor before using any headache pain medication.

Only the sublingual tablet should be used to treat an angina attack that has already begun.

Isosorbide dinitrate regular and extended-release tablets are used to prevent angina attacks but will not treat an angina attack.

It is important to keep taking this medicine as directed to prevent an angina attack. Get your prescription refilled before you run out of medicine completely.

Multum donot

Do not stop taking isosorbide dinitrate suddenly. Stopping suddenly could cause a severe angina attack.

What is isosorbide dinitrate?

Isosorbide dinitrate is in a group of drugs called nitrates. Isosorbide dinitrate dilates (widens) blood vessels, making it easier for blood to flow through them and easier for the heart to pump.

Isosorbide dinitrate is used to treat or prevent attacks of chest pain (angina).

Only the sublingual tablet should be used to treat an angina attack that has already begun.

Isosorbide dinitrate regular and extended-release tablets are used to prevent angina attacks but will not treat an angina attack.

Isosorbide dinitrate may also be used for purposes other than those listed in this medication guide.

What should I discuss with my healthcare provider before taking isosorbide dinitrate?

Multum donot

Do not use isosorbide dinitrate if you are taking sildenafil (Viagra). Serious, life-threatening side effects can occur if you take isosorbide dinitrate while you are using sildenafil.

Multum donot

You should not use this medication if you are allergic to isosorbide dinitrate, isosorbide mononitrate (Imdur, ISMO, Monoket), or nitroglycerin, or if you have early signs of a heart attack (chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling).

If you have any of these other conditions, you may need a dose adjustment or special tests to safely take isosorbide dinitrate:

  • congestive heart failure;
  • low blood pressure; or
  • kidney disease.
Multum nopreg

FDA pregnancy category C. It is not known whether isosorbide dinitrate is harmful to an unborn baby. Before you take this medication, tell your doctor if you are pregnant or plan to become pregnant during treatment.

Multum nobrfeed

It is not known whether isosorbide dinitrate passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Isosorbide dinitrate can cause severe headaches, especially when you first start using it. These headaches may gradually become less severe as you continue to use isosorbide dinitrate. Do not stop taking the medication. Ask your doctor before using any headache pain medication.

How should I take isosorbide dinitrate?

Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results from this medication. Isosorbide dinitrate is usually taken 2 or 3 times per day. Follow your doctor's dosing instructions very carefully.

If possible, try to rest or stay seated when you use this medication. Isosorbide dinitrate can cause dizziness or fainting.

Multum nocrush

Do not crush, chew, break, or open an extended-release tablet or capsule. Swallow the pill whole. Breaking the pill may cause too much of the drug to be released at one time.

If you expect to engage in an activity that may cause angina, take the sublingual tablet about 15 minutes before the activity.

If you use the sublingual tablet to treat an angina attack that has already begun, use the medicine at the first sign of chest pain. Place the tablet under your tongue and allow it to dissolve slowly. Do not chew or swallow it.

Multum emt

Before using isosorbide dinitrate to treat a sudden angina attack, your doctor may want you to first use a nitroglycerin sublingual tablet. Follow your doctor's instructions about what medications to use during an attack and how much time to allow between doses.

Some things can cause your blood pressure to get too low. This includes vomiting, diarrhea, heavy sweating, heart disease, dialysis, a low-salt diet, or taking diuretics (water pills). Tell your doctor if you have a prolonged illness that causes diarrhea or vomiting.

Multum emt

Seek emergency medical attention if your chest pain gets worse or lasts more than 5 minutes, especially if you have trouble breathing or feel weak, dizzy, or nauseated, or lightheaded.

It is important to keep this medicine on hand at all times in case of an angina attack. Get your prescription refilled before you run out of medicine completely.

Multum donot

If you take isosorbide dinitrate on a regular schedule to prevent angina, do not stop taking it suddenly or you could have a severe attack of angina.

Do not change brands of isosorbide dinitrate without the approval of your doctor.

Multum rt

Store isosorbide dinitrate at room temperature, away from moisture, heat, and light. Keep the bottle tightly closed when not in use.

What happens if I miss a dose?

Since isosorbide dinitrate is sometimes used only when needed, you may not be on a dosing schedule. If you are using the medication regularly, use the missed dose as soon as you remember. If your next dose is less than 2 hours away, skip the missed dose and use the medicine at your next regularly scheduled time.

If you are using the extended-release tablet and your next dose is less than 6 hours away, skip the missed dose and use the medicine at your next regularly scheduled time.

Do not use extra medicine to make up a missed dose.

What happens if I overdose?

Multum emt

Seek emergency medical attention if you think you have used too much of this medicine. An overdose of isosorbide dinitrate can be fatal.

Overdose symptoms may include a severe throbbing headache, fever, confusion, dizziness or spinning sensation, fast or pounding heartbeats, vision problems, nausea, vomiting, stomach pain, bloody diarrhea, trouble breathing, sweating, cold or clammy skin, feeling light-headed, fainting, and seizure (convulsions).

What should I avoid while taking isosorbide dinitrate?

Multum dizzy

Isosorbide dinitrate can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Multum noalcohol

Avoid drinking alcohol. It can increase some of the side effects of isosorbide dinitrate.

What are the possible side effects of isosorbide dinitrate?

Multum emt

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Multum emt

Call your doctor at once if you have a serious side effect such as:

  • fast, slow, pounding, or uneven heart rate;
  • worsening angina pain;
  • blurred vision or dry mouth;
  • nausea, vomiting, sweating, pale skin, feeling like you might pass out; or
  • blue-colored skin, tiredness, and feeling short of breath.

Less serious side effects may be more likely to occur, such as:

  • headache, mild dizziness;
  • weakness; or
  • warmth, redness, or tingly feeling under your skin.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect isosorbide dinitrate?

Tell your doctor about all other medications you use, especially:

  • blood pressure medication;
  • dihydroergotamine (D.H.E. 45, Migranal) or ergotamine (Ergomar, Cafergot, and others);
  • an erectile dysfunction medication such as tadalafil (Cialis) or vardenafil (Levitra);
  • a beta-blocker such as atenolol (Tenormin, Tenoretic), carvedilol (Coreg), labetalol (Normodyne, Trandate), metoprolol (Lopressor, Toprol), nadolol (Corgard), propranolol (Inderal, InnoPran), sotalol (Betapace), and others; or
  • a calcium channel blocker such as diltiazem (Cartia, Cardizem), felodipine (Plendil), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others.

This list is not complete and there may be other drugs that can interact with isosorbide dinitrate. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about isosorbide dinitrate.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2013 Cerner Multum, Inc. Version: 7.02. Revision date: 12/15/2010.

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