Rifapentine (Priftin)

The following side effects have been associated with the use of rifapentine:

• Reddish coloring of urine, sweat, sputum, saliva, tears, and breast milk. Stains to your contact lenses and dentures that may not go away.
• Liver damage; if you develop any of the following symptoms, you should call your doctor right away:
  • Unexplained loss of appetite
  • Nausea and or vomiting
  • Pale colored stools
  • Yellowing of the eyes or skin
  • Pain in the upper abdomen (where your stomach is)
  • Dark urine

Additional side effects may include:

• Loss of appetite
• Low blood counts
• Low blood sugar
• Decreased effectiveness of hormonal birth control (contraceptives) and other medications, including some anti-HIV medications. Tell your doctor about all medications that you are taking.