Title: Trimethoprim: MedlinePlus Drug Information
Headings: Trimethoprim
Trimethoprim
Why is this medication prescribed?
How should this medicine be used?
What special precautions should I follow?
Before taking trimethoprim,
What special dietary instructions should I follow?
What should I do if I forget a dose?
What side effects can this medication cause?
Trimethoprim may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
If you experience any of the following symptoms, call your doctor immediately:
What should I know about storage and disposal of this medication?
In case of emergency/overdose
What other information should I know?
Brand names

Content: Expand Section
Trimethoprim eliminates bacteria that cause urinary tract infections. It is used in combination with other drugs to treat certain types of pneumonia. It also is used to treat traveler's diarrhea. Antibiotics will not work for colds, flu, or other viral infections. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. How should this medicine be used? Expand Section
Trimethoprim comes as a tablet to take by mouth. It usually is taken one or two times a day. Trimethoprim may be taken with or without food.