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 phosphate structure Plaquenil for pregnancy loss Ulcer plaquenil Chloroquine may cause vision problems. It may also make you dizzy or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. If these reactions are especially bothersome, check with your doctor. Chloroquine is a powerful sack of drugs that you are going to flush through your system for weeks exposing yourself to any number of unpleasant side effects balanced against the tiny tiny chance of contracting malaria a risk that you can further prevent by covering up and using deet based sprays. Precautions. Before taking hydroxychloroquine, tell your doctor or pharmacist if you are allergic to it; or to other aminoquinolines e.g. chloroquine; or if you have any other. 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 precautions Chloroquine Phosphate Bulk Uses, Side Effects., Chloroquine Precautions/Side Effects Americas - Central. Hydroxychloroquine & methotrexatePlaquenil screening optometryHydroxychloroquine dose adjustmentPlaquenil and swollen lymph nodes CHLOROQUINE is used to treat or prevent malaria infections. It is also used to treat amebiasis. The lowest GoodRx price for the most common version of chloroquine phosphate is around $23.11, 75% off the average retail price of $93.55. What is Chloroquine Phosphate? - GoodRx. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Dosage Guide with Precautions -. 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. For patients taking chloroquine to prevent malaria Your doctor will want you to start taking this medicine 1 to 2 weeks before you travel to an area where there is a chance of getting malaria. This will help you to see how you react to the medicine. Usual Adult Dose for Malaria Prophylaxis. 500 mg chloroquine phosphate 300 mg base orally on the same day each week. Comments -If possible. Usual Adult Dose for Malaria. Usual Adult Dose for Amebiasis. Usual Adult Dose for Sarcoidosis. Usual Pediatric Dose for Malaria Prophylaxis.