What it does:
Helps prevent or treat infections caused by a certain type of bacterium, including the one that causes tuberculosis
10 mg per kg of body weight, once daily, orally in capsule form (Rifadin) or intravenously (Rifadin IV). Daily dosage should not exceed 600 milligrams. Oral dosage should be one hour before or two hours after a meal with water
Drug interactions, precautions, & recommendations:
Do not take if taking Reyataz, Prezista, Lexiva, Fortovase, Invirase, or Aptivus. Dosage of anticoagulant drugs should be adjusted. Use with caution if you have diabetes. Switch to nonhormonal contraceptives.
Most serious: Gastrointestinal distress, changes in liver function, headache, drowsiness, dizziness, menstrual irregularities, jaundice, darkened urine Other: loss of appetite, fever, joint pain