Rifadin is a rifamycin antibiotic used to treat tuberculosis (TB), as well as to treat those who have been exposed to meningitis-causing bacteria before they become sick. This drug does not treat acute meningitis. It may also be used to treat other conditions as determined by your doctor.

SIDE EFFECTS, that may go away during treatment, include stomach upset, heartburn, loss of appetite, nausea, gas, abdominal cramping, headache, drowsiness, dizziness, menstrual changes, joint pain, or leg cramps. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience vomiting, diarrhea, fever, chills, changes in vision, or confusion. CONTACT YOUR DOCTOR IMMEDIATELY if you experience severe stomach pain, dark urine, or yellowing of eyes or skin. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.