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
All of the following drugs can precipitate acute attack of asthma except - 
Select and explain. 
A. Pheylbutazone, B. Naproxen, C. Glucocoicoids, D. Aspirin
C: Glucocoicoids
Answer: C: Glucocoicoids 
Explanation: Ans. is 'c' i.e., Glucocoicoids Drugs precipitating asthma o NSAIDs Heparin Heparin Nitrofurantoin beta-blockers Opioids Disulfiram Organophosphates Phenylbutazone, Naproxen and Aspirin are NSAIDS.