Pyrazinamide

Pyrazinamide is a drug used to treat tuberculosis. The drug is largely bacteriostatic, but can be bacteriocidal on actively replicating tuberculosis bacteria.

Pyrazinamide is only used in combination with other drugs such as isoniazid and rifampicin in the treatment of Mycobacterium tuberculosis. It is never used on its own. It has no other indicated medical uses. In particular, it is not used to treat other mycobacteria; Mycobacterium bovis and Mycobacterium leprae are innately resistant to pyrazinamide. Pyrazinamide is used in the first two months of treatment to reduce the duration of treatment required.[2] Regimens not containing pyrazinamide must be taken for nine months or more.

Pyrazinamide in conjunction with rifampin is a preferred treatment for latent tuberculosis.[3]

Pyrazinamide is a potent antiuricosuric drug[4] and consequently has an off-label use in the diagnosis of causes of hyperuricemia and hyperuricosuria.[5] It acts on URAT1.[5]

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