Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil and pepcid Does plaquenil cause melanoma Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus. Plaquenil is a prescription medication used to prevent and treat certain types of malaria. It is also approved for the treatment of systemic lupus erythematosus SLE, and rheumatoid arthritis. This medication may be prescribed for other uses. 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. 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. What is plaquenil medication used for Hydroxychloroquine Side Effects, Dosage, Uses, and More, Plaquenil - Side Effects, Uses, Dosage, Overdose. Plaquenil and macular degenerationPlaquenil 200 mg prospect Plaquenil, also known as hydroxychloroquine, is a medication used in the treatment or prevention of malaria. It has also been used to treat other conditions, such as liver disease, that may have been caused by the same parasites that cause malaria. Plaquenil has also been used to treat the symptoms of arthritis, lupus and dermatologic conditions. Plaquenil Eye Exams - Catalina Eye Care. Hydroxychloroquine - Wikipedia. Ask the Expert Plaquenil and Sjögren’s. Hydroxychloroquine is a quinoline medicine 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 hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria drug. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil can cause serious liver or heart problems, especially if you use certain medicines at the same time, including other medicines to treat malaria; an antibiotic or antifungal medicine; antiviral medicine to treat hepatitis or HIV/AIDS; antidepressants or antipsychotic medicines; birth.