Rifapentine (Systemic)

Brand Names : Priftin

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 as soon as possible if any of the following side effects occur:

More common

Blood in urine; joint pain; lower back or side pain; swelling of feet or lower legs

Less common

Aggressive reaction; black, tarry stools; blood in stools; nausea; pinpoint red spots on skin; severe abdominal or stomach pain; sore throat and fever; unusual bleeding or bruising; unusual tiredness or weakness; yellow eyes or skin; vomiting

Rare

Diarrhea; dizziness; severe or continuing headaches; increase in blood pressure

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

Acne; constipation; loss of appetite

This medicine commonly causes reddish-orange to reddish-brown discoloration of urine, stools, saliva, sputum, sweat, and tears. This side effect does not usually need medical attention.

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