Adverse effects of phenytoin include all of the following except?: (A) Lymphadenopathy, (B) Ataxia, (C) Hypercalcemia, (D) Hirsutism
Answer is C. Ans. is 'c' i.e., Hypercalcemia Phenytoin interferes with calcium metabolism by desensitizing target tissue to vit. D, this causes hypocalcemia (not hypercalcemia).