Pyrimethamine (Systemic)

Brand Names : Daraprim

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

Black, tarry stools; blood in urine or stools; cough or hoarseness; fever or chills; irritation or soreness of tongue; lower back or side pain; painful or difficult urination; pinpoint red spots on skin; unusual bleeding or bruising

Rare

Bleeding or crusting sores on lips; chest pain or discomfort; muscle cramps or pain; redness, blistering, peeling, or loosening of skin; skin rash; sores, ulcers, and/or white spots in mouth; sore throat; unusual tiredness or weakness

Frequency not known

Blood in urine; diarrhea; difficulty swallowing; dizziness; fainting spells; fast, slow, or irregular heartbeat; hives; itching; joint or muscle pain; lightheadedness; pale skin; pounding or rapid pulse; puffiness or swelling of the eyelids or around the eyes, face, lips or tongue; rapid breathing; red, irritated eyes; red skin lesions, often with a purple center; shortness of breath; swollen glands; tightness in chest; unexplained bleeding or bruising; wheezing

Symptoms of overdose

Abdominal or stomach pain; convulsions (seizures); increased excitability; vomiting (severe and continuing)

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; vomiting

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