Ans: The patients intaking chloroquine may have effects like headache, nausea, vomiting, diarrhea, and abdominal cramps. It is preferable to consult a physician if it lasts a longer duration. The serious side effects of quinine include abnormal heartbeat, a bleeding problem, kidney damage, visual impairments. Researchers proved that the continuous intake of chloroquine impacts the function of the kidney. This is due to the Na+ and Cl− retention. This can be controlled by providing chloroquine-induced increases in plasma aldosterone concentration and lowering GFR. But chloroquine does not have any relationship with serum enzyme level elevations. In rare cause, it may cause liver injury.