It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. How long before itching stop after stopping plaquenil Is there a drug interaction between inruprofen and plaquenil Plaquenil testing Mar 17, 2019 Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Mar 08, 2017 “We are significantly below the standard of care for appropriately dosing and screening” patients treated with hydroxychloroquine Plaquenil, concluded Dr. Koppikar, an internal medicine physician at Queens University in Kingston, Ont. Dosing. Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Hydroxychloroquine doses Hydroxychloroquine Oral Route Proper Use - Mayo Clinic, Hydroxychloroquine dosage recommendations often ignored. Aralen dosageWallace 1989 chloroquinePlaquenil adverse effect on retinaPlaquenil and metformin A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Plaquenil Risk Calculators. Drug spotlight on hydroxychloroquine Lupus Foundation of.. Hydroxychloroquine Dosage Guide with Precautions -. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. PLAQUENIL tablets are white, to off-white, film coated tablets imprinted “PLAQUENIL” on one face in black ink. Each tablet contains 200 mg hydroxychloroquine sulfate equivalent to 155 mg base. Bottles of 100 tablets NDC 59212-562-10. Do not crush or divide PLAQUENIL film-coated tablets see DOSAGE AND ADMINISTRATION. 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. It is taken by mouth.