What is isosorbide mononitrate tablets used for?
Avery Gonzales
Published Mar 08, 2026
What is isosorbide mononitrate tablets used for?
Isosorbide Mononitrate Tablets belong to a group of medicines called nitrate vasodilators. These work by relaxing the blood vessels of the heart, reducing the strain on the heart making it easier to pump blood. Isosorbide Mononitrate Tablets are used to prevent angina pectoris.
What happens if you crush isosorbide mononitrate?
Do not crush or chew this medication. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.
Does isosorbide mononitrate affect your kidneys?
Long-term administration of isosorbide-5-mononitrate does not impair renal function in cirrhotic patients. Hepatology.
What does isosorbide mononitrate do to your heart?
Isosorbide mononitrate belongs to the group of medicines called nitrates. It works by relaxing the blood vessels and increasing the supply of blood and oxygen to the heart while reducing its workload. When used regularly on a long-term basis, this helps prevent angina attacks from occurring.
Can I take isosorbide mononitrate at night?
You should take this medicine first thing in the morning and follow the same schedule each day. This medicine works best if you have a “drug-free” period of time every day when you do not take it. Your doctor will schedule your doses during the day to allow for a drug-free time.
How long do headaches last with isosorbide mononitrate?
One of the most common side effects of isosorbide dinitrate is headaches. Do not stop taking this drug if a headache occurs; a headache is a sign that isosorbide dinitrate is working. Headaches usually develop after first taking isosorbide dinitrate and subside after a couple of weeks.
What pills can you not crush?
Slow-release (b,h) aspirin. Aspirin EC.
Is isosorbide good for the heart?
Can isosorbide mononitrate cause shortness of breath?
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects.
Can isosorbide be taken at night?
Should I take isosorbide in the morning or at night?
How long do headaches last with isosorbide?