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. Chloroquine over the counter Hydroxychloroquine and lexapro Hydroxychloroquine Hydroxychloroquine is an antimalarial drug which is relatively safe used for the treatment of rheumatoid arthritis. Chloroquine is a similar antimalarial drug that may also be. Hydroxychloroquine C18H26ClN3O CID 3652 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. Hydroxychloroquine is a prescription drug. It comes as an oral tablet. Hydroxychloroquine is available as the brand-name drug Plaquenil. It’s also available in a generic version. 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. What is hydroxy chloroquine Hydroxychloroquine Plaquenil -, Hydroxychloroquine C18H26ClN3O - PubChem Plaquenil localized sclerodermaAao recommendations for plaquenil dosingMacrobid and hydroxy chloroquine interactionsPlaquenil lichen sclerosus This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Hydroxychloroquine-Induced Retinal Toxicity - American.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. What Is Hydroxychloroquine and How Does It Help Arthritis.. Stopping prevention or treatment too soon may lead to infection or a return of the infection. Inform your doctor if your condition persists or worsens. It may take several weeks or months to see improvement if you are taking this for lupus or arthritis. Hydroxychloroquine may not prevent malaria in all cases. Plaquenil hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage. Hydroxychloroquine Plaquenil was developed to treat malaria, but was later found to be an effective disease-modifying antirheumatic drug DMARD. It is taken as daily tablets. It is mainly given as a second or third DMARD for people with very active rheumatoid arthritis RA or whose RA is still active while taking methotrexate.