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
Drugs which cause pericarditis are : a) Hydralazine b) Procainamide c) Bretylium d) Methysergide e) Amiodarone 
Select and explain. 
A. bde, B. abd, C. acd, D. ac
B: abd
Answer: B: abd 
Explanation: None