Co-trimoxazole: how to take it safely
Septrin, Bactrim
Reviewed by Pharm. Abeeb Junior
What it is for
Treats urine, chest and bowel infections, and prevents some infections in people with HIV.
How to take it
- Prescription medicine: take it exactly as your doctor or pharmacist told you.
- Swallow with water.
- Drink plenty of fluids.
- Finish the full course, even if you feel better.
When to take it
Take it twice a day, about 12 hours apart.
Take it with
With food, and plenty of water.
What to avoid
- Stopping the course early.
- Sharing or saving leftover antibiotics.
- Pregnancy, especially the first 3 months, unless your doctor says so.
- Strong sunlight.
- Tell your doctor if you are allergic to sulfa drugs or have kidney or liver problems.
Possible side effects
Nausea, rash, loss of appetite.
Get help if
Rash or blisters, mouth ulcers, sore throat or fever, bruising, or yellow skin or eyes: stop it and get urgent 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.