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
Adverse effects of valproic acid derivatives include the following except - 
Select and explain. 
A. Alopecia, B. Liver failure, C. Weight gain, D. Osteomalacia
D: Osteomalacia
Answer: D: Osteomalacia 
Explanation: Ans. is 'd' i.e., Osteomalacia Adverse effect of Valproate Neurological - Ataxia, sedation,tremor Systemic- Hepatotoxicity, thromobocytopenia,GI irritation, weight gain, transient alopecia, hyperammonemia, pancreatitis,coagulation disorder