Isoflurane tablets, is a compound preparation composed of isoniazid and rifampicin, used for tuberculosis and other diseases of the therapeutic treatment course is usually 4 months, the specific dosage regimen need to follow the doctor’s instructions, pay attention to the adverse effects and contraindications of the drug. Isoflurane is a compound preparation of rifampicin and isoniazid, which can be used for the maintenance treatment of tuberculosis, and the maintenance period usually requires 4 months of medication, or until the continuous bacterial culture is negative and the clinical symptoms have been maximally improved. If serious adverse reactions such as yellowing of the eyes or skin, purpura, anaphylaxis, etc. occur during the use of isoflurane tablets, the medication must be stopped immediately and treatment must be sought in a hospital. The drug should be contraindicated in case of drug allergy, severe hepatic impairment, bile duct obstruction, early pregnancy, etc. Isoflurane tablets need to be used under the guidance of clinicians, prohibit unauthorized use of medication.