Frequently Asked Questions About the 4-Drug Fixed-dose Combination Tablet Recommended by the World Health Organization for Treating Tuberculosis

This booklet answers questions about the 4-drug fixed-dose combinations containing 150 mg rifampicin, 75 mg isoniazid, 400 mg pyrazinamide, and 275 mg ethambutol that were added to the WHO Model List of Essential Drugs for the treatment of TB.