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
[{'content': 'Chloroquine toxicity causes all except ? \nSelect and explain. \nA. Loss of vision, B. Lichenoid eruptions, C. Convulsions, D. Weight gain', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Weight gain Side effects with chloroquine administration are frequent and unpleasant and include Nausea, Vomiting, Anorexia, Uncontrollable itching, Epigastric pain, Uneasiness, Difficulty in accommodation & Headache. Weight gain is not a feature of Chloroquine side effects.", 'role': 'assistant'}]