PMID: 2100288Oct 1, 1990Paper

Alteration in the levels of pyrazinamide in pleural fluid following simultaneous administration of prednisoline in patients of tubercular pleural effusion

Indian Journal of Physiology and Pharmacology
A R WagayR Bhargava

Abstract

20 Patients of tuberculous pleural effusion were administered a combination of pyrazinamide (30 mg/kg) + isoniazid (300 mg) orally for 7 consecutive days and pyrazinamide was estimated by spectrophotometric method in serum and pleural fluid. Prednisolone was added to the above regimen for next 7 consecutive days and pyrazinamide was again estimated. The level of pyrazinamide in pleural fluid was 23.4 +/- 1.2 (micrograms/ml). Following addition of prednisolone the level increased (27.6 +/- 1.3) significantly (P less than 0.001). The serum pyrazinamide level was not influenced by simultaneous administration of prednisolone. The pleural fluid/serum pyrazinamide ratio was increased from 0.465 to 0.542 by the addition of prednisolone to therapeutic regimen.

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