Isosorbide dinitrate: how to take it safely
Isordil
Reviewed by Pharm. Abeeb Junior
What it is for
Prevents angina (chest pain) and helps in heart failure.
How to take it
- Prescription medicine: take it exactly as your doctor or pharmacist told you.
- Swallow with water. Do not crush slow-release tablets.
When to take it
Take it at the times your doctor told you, leaving a gap overnight if advised.
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.