Isoniazide is metabolized by ?
Ans. is 'a' i.e., Acetylation Isoniazid is extensively metabolized in liver most impoant pathway being N - acetylation by NAT The acetylated metabolite is excreted in urine. Drugs metabolized by acetylation Sulfonamides (including dapson) Procainamide PAS INH Hydralazine
Acetylation
Oxidation
Reduction
Hydrolysis