This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Chloroquine or prophylaxis Plaquenil for lichen planus Malaria treatment oral To treat malaria in adults, one dose of oral chloroquine is usually given right away. Then, half the dose is taken six to eight hours later. This is typically followed by half the dose once a day for the next two days. Amebiasis treatment oral To treat amebiasis in adults. How to use Chloroquine Phosphate. Take this medication by mouth, usually with food to prevent stomach upset, exactly as directed by your doctor. Daily or weekly dosing, dosage amount, and length. In patients with preexisting auditory damage, chloroquine should be administered with caution. In case of any defects in hearing, chloroquine should be immediately discontinued, and the patient. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Chloroquine aralen should be administered how Chloroquine C18H26ClN3 - PubChem, Chloroquine Phosphate - WebMD Plaquenil toxictyHydroxychloroquine baseline eye exam Ingestion of ampicillin and chloroquine should be separated by at least two hours. Chloroquine may increase cyclosporine blood levels. Cyclosporine blood levels should be monitored and, if necessary, chloroquine should be stopped. Aralen chloroquine Malaria Drug Side Effects & Dosage. CHLOROQUINE PHOSPHATE, USP. Chloroquine Oral Route Proper Use - Mayo Clinic. The drug should be administered with caution to patients having G-6-PD glucose-6 phosphate dehydrogenase deficiency. Auditory Effects. In patients with preexisting auditory damage, chloroquine should be administered with caution. In case of any defects in hearing, chloroquine should be immediately discontinued, and the Chloroquine Phosphate. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. Chloroquine should not be taken for prophylaxis by patients with a history of epilepsy. Precautions If the condition of the patient deteriorates after administration of chloroquine, resistance must be suspected and quinine must be administered intravenously as an emergency measure.