Pyrazinamide has good antimicrobial effect on human-type Mycobacterium tuberculosis and is mainly used in the treatment of tuberculosis, with side effects such as arthralgia, loss of appetite and fever. Pyrazinamide is only effective against Mycobacterium, the drug has strong bactericidal effect in acidic environment, especially for phagocytosis of slow-growing tuberculosis cells is the best bactericidal drug. This product is clinically used in combination with other anti-tuberculosis drugs for the treatment of tuberculosis. Adverse effects of this product include arthralgia, fever, loss of appetite, malaise, fatigue, yellowing of the eyes or skin, and chills. It is contraindicated in patients who are allergic to this product, and should be used with caution in diabetes, gout or severe hepatic decompensation. Please adhere to the medication under the guidance of a physician, and promptly inform the physician if any significant discomfort occurs.