IN THIS ARTICLE
What happens if I miss a dose (Priftin)?
Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Priftin)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include headache, heartburn, nausea, or urinating more than usual.
What should I avoid while taking rifapentine (Priftin)?
Do not wear dentures or contact lenses while taking rifapentine. This medicine may discolor certain body fluids (including tears and saliva) with a red, orange, or brown color. While this is a harmless side effect, it may permanently stain a pair of contact lenses.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.
What other drugs will affect rifapentine (Priftin)?
Before taking rifapentine, tell your doctor if you are using any of these HIV or AIDS medications:
There are many other medicines that can interact with rifapentine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor. Keep a list with you of all the medicines you use and show this list to any doctor or other healthcare provider who treats you.
Where can I get more information?
Your pharmacist can provide more information about rifapentine.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?