For patients with tuberculosis, isoniazid, rifampicin, pyrazinamide, ethambutol, streptomycin and other drugs are usually needed to be taken in combination, and the specific dosage of the drugs is determined according to the patient’s actual situation, and 3 to 4 drugs are usually needed. Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis, and Mycobacterium tuberculosis can be eliminated by combining drugs. The drugs usually used in combination are isoniazid, rifampicin, pyrazinamide, ethambutol, streptomycin and so on. Depending on the TB patient, a combination of 3 to 4 drugs is usually needed and should be treated in different ways depending on the degree of infection of the individual. Isoniazid may cause adverse reactions such as peripheral neuritis, rifampicin may cause adverse reactions such as liver impairment, pyrazinamide may cause gastrointestinal discomfort, liver impairment and other adverse reactions, ethambutol may cause optic neuritis, and streptomycin may cause hearing impairment. When tuberculosis occurs, you need to consult a doctor in time, after further examination, under the guidance of the doctor’s medication, do not self-medicate arbitrarily.