What side effects can this medication cause?
If you experience any of the following serious side effects, stop taking rifampin and seek medical attention or contact your doctor immediately:
an allergic reaction (difficulty breathing, closing of your throat, swelling of your lips, tongue, or face, or hives)
fever or chills
a sore throat
pain or swelling of the joints
excessive tiredness or weakness
a headache
nausea, vomiting, diarrhea, or loss of appetite
unusual bruising or bleeding
little or no urine
yellow skin or whites of the eyes
a rash or itching
Other, less serious side effects may be more likely to occur. Continue using rifampin and talk to your doctor if you experience:
red-orange coloration of tears, sweat, saliva, urine, or feces
mild tiredness or weakness
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Why is this medication prescribed?
Dosage and using this medicine
What special precautions should I follow?
What should I do if I forget a dose?