What It's Used For

Isosorbide mononitrate is prescribed for:

Prevention of angina attacks
Coronary artery disease management
Heart failure treatment
Cardiovascular symptom relief

It is NOT for treating acute angina attacks - use nitroglycerin for that.

Side Effects

Common side effects:

Headache (very common initially)
Dizziness
Lightheadedness
Flushing
Nausea

Serious side effects:

Severe hypotension
Fainting
Rapid heartbeat
Methemoglobinemia (rare)

Additional Information

What is Isosorbide Mononitrate?

Isosorbide mononitrate is a long-acting nitrate medication used to prevent angina attacks in patients with coronary artery disease.

How It Works

This medication:

Dilates blood vessels (venous and arterial)
Reduces the heart's workload
Decreases oxygen demand
Improves blood flow to the heart

Important Notes

A nitrate-free interval (usually at night) is needed to prevent tolerance
Do NOT use with PDE5 inhibitors (sildenafil, tadalafil)
Not for acute angina treatment

Learn more at MedlinePlus.

Related Health Conditions

This medication is commonly used to treat or manage the following conditions:

Osteoarthritis

Osteoarthritis, a common degenerative joint disease, causes pain, stiffness, and reduced motion due to cartilage breakdown from aging, genetics, obesity, injuries, or repetitive stress.

Learn More

Medical Disclaimer: This information is for educational purposes only and should not be considered medical advice. Always consult with your healthcare provider before starting, stopping, or changing any medication. Your doctor can provide personalized recommendations based on your specific health condition and medical history.

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Isosorbide Mononitrate