Isosorbide mononitrate: how to take it safely
Imdur
Reviewed by Pharm. Abeeb Junior
What it is for
Prevents angina (chest pain). It is not for relieving an attack.
How to take it
- Prescription medicine: take it exactly as your doctor or pharmacist told you.
- Swallow slow-release tablets whole. Do not crush or chew.
When to take it
Take it at the same time each day, usually in the morning.
Take it with
With or without food.
What to avoid
- Sildenafil, tadalafil and similar medicines. The combination can drop your blood pressure dangerously.
- Alcohol.
- Stopping suddenly.
Possible side effects
Headache (often settles), flushing, dizziness.
Get help if
Chest pain that does not ease, fainting or a very fast heartbeat: get emergency help.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.