Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine and ocular toxicity recommendations on screening 2009 Plaquenil retinopathy info for patient Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication. 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. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Define chloroquine Chloroquine Definition of Chloroquine by Lexico, Chloroquine - Wikipedia Can chloroquine treat diarrheaPlaquenil dose toxicityAralen vs plaquenilHydroxychloroquine and neuropathyAralen side effects and instructions Aralen, chloroquine phosphate, USP, is a 4-aminoquinoline compound for oral administration. It is a white, odorless, bitter tasting, crystalline substance, freely soluble in water. Aralen is an antimalarial and amebicidal drug. Aralen - FDA prescribing information, side effects and uses. Chloroquine Oral Uses, Side Effects, Interactions, Pictures.. Chloroquine Definition of Chloroquine at. Define chloroquine phosphate. chloroquine phosphate synonyms, chloroquine phosphate pronunciation, chloroquine phosphate translation, English dictionary definition of. Chloroquine definition is - an antimalarial drug C18H26ClN3 administered in the form of its bitter crystalline diphosphate. Chloroquine is rapidly and almost completely absorbed from the gastrointestinal tract, and only a small proportion of the administered dose is found in the stools. Approximately 55% of the drug in the plasma is bound to nondiffusible plasma constituents. Excretion of chloroquine is quite slow, but is increased by acidification of the urine.