Each tablet contains rifampicin 150 mg, isoniazid 75 mg, pyrazinamide 400 mg and ethambutol HCl 275 mg. It also contains pregelatinized starch, maize starch, sodium lauryl sulfate, microcrystalline cellulose, povidone K30, crospovidone, magnesium stearate, purified talc, copovidone, hypromellose, titanium dioxide, polyethylene glycol 400, red iron oxide and polyethylene 6000 as other ingredients.