Disposition of uric acid upon administration of ofloxacin alone and in combination with other anti-tuberculosis drugs.

Hemanth Kumar, A.K.; Prema Gurumurthy.

Indian Journal of Experimental Biology, 2004; 42; 323-325.

Disposition of uric acid upon administration of ofloxacin (O) alone and in combination with other anti-tuberculosis drugs, rifampicin (R), isoniazid (H) and pyrazinamide (Z) was studied. Twelve male healthy volunteers were investigated on four different occasions with the four drugs alone or in combinations. A partially balanced incomplete block design was adopted and the subjects were randomly allocated to each group. Uric acid concentration in urine samples excreted over 0-8 hr, were determined after coding the samples. There was significant decrease in the group receiving Z when compared to other groups. Thugh there was a decrease in uric acid excretion in the group receiving O, it was not stastically significant. Rifampicin and H seem to increase the uric acid excretion. The incidence of arthralgia was mainly due to Z and not due to either O or other drugs in the treatment of pulmonary tuberculosis.

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