<prompt> Adverse effects of valproic acid derivatives include the following except -AlopeciaLiver failureWeight gainOsteomalacia  <response>: 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 