This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adverse Drug Effect, Subject name: Pharmacology
Which of the mentioned drugs most commonly causes acute liver failure? 
Select and explain. 
A. Warfarin, B. Tetracycline, C. Paracetamol, D. Valproate
C: Paracetamol
Answer: C: Paracetamol 
Explanation: Ans. (c) i.e. ParacetamolRef: Goodman Gilman 13th E/P696* All mentioned drugs can cause hepatotoxicity and liver failure, but the most common drug overall implicated in drug poisoning and suicidal attempts is paracetamol.* Hence liver failure is most commonly seen with paracetamol. In case of fulminant liver failure liver transplantation is required.