This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Allopurinol is used in the treatment of ? 
Select and explain. 
A. Gout, B. Hypothyroidism, C. Hypeension, D. Hyperlipidemia
A: Gout
Answer: A: Gout 
Explanation: Ans. is 'a' i.e., Gout Allopurinol is the DOC for chronic gout.