Which NSAID undergoes enterohepatic circulation -: (A) Aspirin, (B) Phenylbutazone, (C) Piroxicam, (D) Ibuprofen
Answer is C. Ans. is 'c' i.e., Piroxicam o Piroxicam is rapidly and completely absorbed, metabolized in liver by hydroxylation and glucoronide conjugation excreted in urine and bile and undergoes enterohepatic circulation. Hence, it has a long plasma VA of nearly 2 days.