This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which of the following are the features of phenytoin toxicity: 
Select and explain. 
A. Gum hyperophy, B. Acne rosacea, C. Exacerbation of acne vulgaris, D. Loss of hair
A: Gum hyperophy
Answer: A: Gum hyperophy 
Explanation: Gum hyperophy: Commonest ( more in younger age (b) Hirsutism, coarsening of facial fea :-..:: c (troublesome in young girls), acne. REF: KD TRIPATIH 8TH ED.