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
Common side effects of chlorpromazine are all except: 
Select and explain. 
A. Osteoporosis, B. Parkinson's disease, C. Skin rash, D. Amenorrhoea
A: Osteoporosis
Answer: A: Osteoporosis 
Explanation: None