You should not take erectile dysfunction medicine (Viagra, Cialis, Levitra, Stendra, Staxyn, sildenafil, avanafil, tadalafil, vardenafil) while you are taking isosorbide mononitrate. Taking these medicines together can cause a sudden and serious decrease in blood pressure.
Seek emergency medical attention if you have early symptoms of a heart attack (chest pain or pressure, pain spreading to your jaw or shoulder, sweating, general ill feeling).
Do not stop taking this medicine suddenly. Stopping suddenly could cause a severe angina attack.
Isosorbide mononitrate 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 mononitrate. Ask your doctor before using any headache pain medication.
Use this medicine regularly to prevent an angina attack. Get your prescription refilled before you run out of medicine completely.
Before taking this medicine
You should not use isosorbide mononitrate if:
you are allergic to isosorbide mononitrate, isosorbide dinitrate, or nitroglycerin; or
you have early signs of a heart attack (chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating).
You should not take erectile dysfunction medicine (Viagra, Cialis, Levitra, Stendra, Staxyn, sildenafil, avanafil, tadalafil, vardenafil) while you are taking isosorbide mononitrate. Taking these medicines together can cause a sudden and serious decrease in blood pressure.
To make sure this medicine is safe for you, tell your doctor if you have:
congestive heart failure;
kidney disease; or
low blood pressure.
It is not known whether this medicine will harm an unborn baby, although animal studies have not shown harm. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether isosorbide mononitrate passes into breast milk or if it could affect the nursing baby. Tell your doctor if you are breast-feeding.
