<prompt> Chloroquine toxicity causes all except ?Loss of visionLichenoid eruptionsConvulsionsWeight gain  <response>: 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. 