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Isosorbide Mononitrate is a vasodilator used to prevent angina (chest pain).

Common uses

This medicine is a vasodilator used to prevent angina (chest pain).

Before using

Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are also taking sildenafil. Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.

Directions

Follow the directions for using this medicine provided by your doctor. This medicine should be taken first thing in the morning and again 7 hours later, unless otherwise directed by your doctor. If you have questions about when to take your doses, contact your doctor. KEEP THIS MEDICINE IN THE ORIGINAL CONTAINER with the lid tightly closed. STORE THIS MEDICINE at room temperature, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, discuss with your doctor what to do.

Cautions

DO NOT STOP TAKING THIS MEDICINE without first discussing it with your doctor. Stopping suddenly may bring on an angina attack. THIS MEDICINE MAY cause dizziness or lightheadedness. This may be especially noticeable after getting up from a lying or sitting position. Drinking alcohol with this medicine will add to this effect. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to this medicine. WHEN YOU BEGIN USING THIS MEDICINE, headaches are likely to occur. Ask your doctor for instructions on ways to reduce this side effect. FOR MEN: DO NOT TAKE VIAGRA (sildenafil) while using this medicine. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS DRUG IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.

Possible side effects

SIDE EFFECTS, that may go away during treatment, include headache, dizziness, or nausea. If they worsen, continue, or are bothersome, check with your doctor. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.

Drug interactions

Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions

If you take too much

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include throbbing headache, confusion, dizziness, perspiring skin, nausea, vomiting, difficulty breathing, slow pulse, and loss of consciousness.