Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Vinegar plaquenil Retinal toxicity associated with hydroxychloroquine and chloroquine 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. INTRODUCTION Hydroxychloroquine HCQ is an alkalinizing lysosomatropic drug that accumulates in lysosomes where it inhibits some important functions by increasing the pH. HCQ has proved to be effective in a number of autoimmune diseases including systemic lupus erythematosus SLE. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. 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. Plaquenil hydroxychloroquine and lupus Treating Lupus with Anti-Malarial Drugs Johns Hopkins., Hydroxychloroquine in systemic lupus erythematosus SLE. Plaquenil peripheral neuropathyDoes hydroxychloroquine affect periodsHow long does chloroquine stay in your systemPlaquenil to treat hair loss Hydroxychloroquine and chloroquine are anti-malarial medicines that can also be effective for people with rheumatoid arthritis and lupus. Both drugs have an anti-inflammatory effect and can be helpful in treating joint inflammation and skin manifestations of lupus. Coronavirus Update Access to Hydroxychloroquine Plaquenil. -. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Donald E. Thomas Jr. MD, FACR, FACP, a practicing rheumatologist in Greenbelt, Md. and author of The Lupus Encyclopedia, regularly prescribes Plaquenil to his lupus patients. “We know that people with lupus who take their Plaquenil regularly are much more likely to live a long, normal life compared with those who don’t,” he says. How to use Plaquenil. 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 is also based on weight. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis.