It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. What class of drug is hydroxychloroquine sulfate Plaquenil and shingles Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. Hydrocodone is a substrate for CYP2D6. Hydroxychloroquine is a moderate inhibitor of CYP2D6. Budesonide; Formoterol Moderate Use caution with coadministration of hydroxychloroquine and long-acting beta-agonists. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Patients in whom chloroquine or hydroxychloroquine have failed to prevent or cure clinical malaria or parasitemia, or patients who acquired malaria in a geographic area where chloroquine resistance is known to occur should be treated with another form of antimalarial therapy see INDICATIONS AND USAGE - Malaria and WARNINGS. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Hydroxychloroquine indications Hydroxychloroquine Uses, Dosage & Side Effects -, Plaquenil hydroxychloroquine sulfate dose, indications. Chloroquine cellular toxicityPlaquenil use during pregnancyChloroquine solution storagePlaquenil compared to quinine Hydroxychloroquine is the cornerstone of medical management of systemic lupus erythematosus SLE. It has been shown to prevent flares 1, decrease thrombosis 2 - 5, improve lipids 6, and decrease insulin resistance 7 - 9. Hydroxychloroquine Blood Levels in SLE Clarifying dosing.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine Plaquenil. Hydroxychloroquine levels can be measured in the blood. This can potentially be used for monitoring the patient's adherence to treatment and where the response has been inadequate. No standardised effective reference level has been validated. Retinal abnormalities or new vision problems including the inability to distinguish between colors can indicate toxicity and should be discussed immediately with the consulting ophthalmologist. Hydroxychloroquine use in children younger than 7 may be limited by the difficulty in obtaining satisfactory evaluation of color vision in this age group. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes.