Plaquenil 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, and Southern Asia. Plaquenil hair regrowth Hydroxychloroquine and reduction of metastasis Plaquenil taken with uroxatral Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Aug 29, 2014 Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Hydroxychloroquine how do you take it Taking Plaquenil for Rheumatoid Arthritis, The Risk of Retinal Toxicity with Plaquenil Take plaquenil with foodDoes hydroxychloroquine make you gain weight Plaquenil stays in your body for about 3 months. If you must stop it, it will take a while for the side effects to go away. You should have an eye examination every year to prevent a very rare but serious eye problem. Less than one person in 5,000 develops the problem. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis or juvenile idiopathic arthritis and other autoimmune diseases. It is not clear why hydroxychloroquine is effective. If you feel like your central vision is getting blurred, if you lose the ability to see a digital clock, if you lose color vision—if reds look kind of washed out—or if you have trouble seeing at night Those are early signs that you might be developing Plaquenil retinopathy,” says Katz.