Imdur (isosorbide mononitrate) is a group of drugs called nitrates. It dilates (widens) blood vessels, making it easier for blood to circulate through them and much easier for your heart to pump.
Take Imdur exactly as prescribed by your doctor.
Take this medication with no less than 4 ounces of water and other liquid. Do not crush, chew, or break an extended-release tablet. Swallow the pill whole.
If possible, make an effort to rest or stay seated if you use prescription drugs. Imdur can cause dizziness or fainting. Use Imdur regularly to stop an angina attack.
Do not stop taking Imdur suddenly. Stopping suddenly could cause a severe angina attack.
The usual adult dose of Imdur is 30-60 mg orally once a day. Follow a medical expert's dosing instructions very carefully.
Store this medicine at room temperature faraway from moisture, heat, and light. Keep the bottle tightly closed it uses very little.
Call your medical professional immediately if you have a significant side effect like:
fast, slow, pounding, or uneven heartrate;
feeling like you might distribute;
trouble breathing, blue-colored skin, tired feeling; or
worsening angina pain.
Less serious Imdur unwanted effects can sometimes include:
headache, mild dizziness;
warmth, redness, or tingling beneath your skin;
nausea, vomiting, constipation, diarrhea;
pain or stiffness in joints or muscles;
hot flashes; or
Do not use Imdur in case you are taking sildenafil (Viagra, Revatio). A dangerous drug interaction could occur, leading to serious unwanted effects. You should not use Imdur if you are allergic to isosorbide mononitrate, isosorbide dinitrate, (Isordil, Dilatrate, Isochron), or nitroglycerin, or when you have early warning signs of a heart attack (chest pain or heavy feeling, pain spreading on the arm or shoulder, nausea, sweating, general ill feeling).
To ensure you can safely take Imdur, tell your doctor for those who have any of these other concerns:
congestive heart failure;
low blood pressure; or
Tell your medical professional about all other medications you use, especially:
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 for example atenolol (Tenormin, Tenoretic), carvedilol (Coreg), labetalol (Normodyne, Trandate), metoprolol (Dutoprol, Lopressor, Toprol), nadolol (Corgard), propranolol (Inderal, InnoPran), sotalol (Betapace), yet others;
heart or blood pressure medicine including amlodipine (Norvasc, Caduet, Exforge, Lotrel, Tekamlo, Tribenzor, Twynsta, Amturnide), diltiazem (Cartia, Cardizem), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), among others.
It is not known whether Imdur will harm an developing fetus. Tell a medical expert should you be pregnant or plan to get pregnant when using prescription drugs. It is just not known whether isosorbide mononitrate passes into breast milk or if it could harm a nursing baby. Do not use Imdur without telling your medical professional should you be breast-feeding a baby.
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