Tuberculosis medication may cause itching of the skin, usually when a drug allergy develops. However, itching may also be caused by other physiologic and disease factors. Anti-tuberculosis drugs are more in the clinic, such as isoniazid, rifampicin, streptomycin, pyrazinamide, ethambutol and so on. Different drugs will have different adverse reactions. When itchy skin occurs after the use of anti-tuberculosis drugs, it is likely to be an allergy to the drug, resulting in symptoms, and it is recommended to consult your doctor whether you need to change the drug. In addition to drug allergy, it is also possible that dry weather, sweat stimulation, mosquito bites, clothing friction, eating allergy-causing food, etc., so that the patient appears itchy skin symptoms, or the patient is complicated by some skin diseases caused by itchy skin symptoms, such as dermatitis, eczema and so on. It is recommended that when the itching symptoms are severe, the patient should notify the doctor in time to find out the cause of the itching and then carry out the corresponding treatment.