Trimethoprim (Systemic)

Brand Names : Proloprim, Trimpex

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

Skin rash or itching

Rare

Black, tarry stools; blood in urine or stools; bluish fingernails, lips, or skin; changes in facial skin color; chills; difficult breathing or shortness of breath; fever with or without chills; general feeling of discomfort or illness; headache; joint or muscle pain; nausea; neck stiffness; pale skin; pinpoint red spots on skin; redness, blistering, burning, tenderness, peeling, or loosening of skin or mucous membranes; redness, swelling, or soreness of tongue; red skin lesions, often with a purple center; sore throat; swelling; thickened or scaly skin; unusual bleeding or bruising; unusual tiredness or weakness

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

Less common

Diarrhea; loss of appetite; nausea or vomiting; stomach cramps or pain

Other side effects not listed above also may occur in some patients. If you notice any other effects, check with your doctor.