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 overdose side effects Plaquenil product monograph canada Chloroquine phosphate - Investigated as a drug, mutagen, and reproductive effector. Only select Registry of Toxic Effects of Chemical Substances RTECS data is presented here. See actual entry in RTECS for complete information. 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 $74.38, 84% off the average retail price of $494.50. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about. 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 phosphate adverse effects Chloroquine MedlinePlus Drug Information, What is Chloroquine Phosphate? - GoodRx Plaquenil and nauseaHydro plaquenilHydroxychloroquine causes hair loss Therapy see ADVERSE REACTIONS. Chloroquine may cause hemolysis in glucose-6 phosphate dehydrogenase G-6-PD deficiency. Blood monitoring may be needed as hemolytic anemia may occur, in particular in association with other drugs that cause hemolysis see ADVERSE REACTIONS. Auditory Effects CHLOROQUINE PHOSPHATE, USP. Chloroquine Oral Route Side Effects - Mayo Clinic. DailyMed - CHLOROQUINE PHOSPHATE tablet. What are some other side effects of Chloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Belly pain. Stomach cramps. Not hungry. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Zimmermann on chloroquine phosphate adverse effects Acute Chloroquine poisoning can be fatal. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 250 mg tablet of chloroquine phosphate is equivalent to 150 mg base and each 500 mg tablet of chloroquine phosphate is equivalent to 300 mg base. In infants and children the dosage is preferably calculated by body weight.