Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine dosing schedule Lysosomal acidification chloroquine Plaquenil light sensitivity It belongs to a disease-modifying antirheumatic drug classification. Hydroxychloroquine can reduce the skin problems linked with lupus and prevent the pain and swelling brought on by arthritis. This medication may also be used to treat other infections such as Q fever endocarditis, a type of heart valve infection. Hydroxychloroquine plaquenil and sulfasalazine azulfidine are used for mild rheumatoid arthritis. they are not as powerful as other dmards, but they usually cause fewer side effects. Become an Arthritis Foundation member today for just $20. You'll receive a year's worth of Arthritis Today magazine, access to helpful tools, resources, and more. Make a Honor or Memorial Gift. Honor a loved one with a meaningful donation to the Arthritis Foundation. 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. Arthritis and hydroxychloroquine PATIENT FACT SHEET Hydroxychloroquine Plaquenil, What are the side effects of using hydroxychloroquine. Does plaquenil cause bile malabsorptionIbuprofin and plaquenilPlaquenil testing aaoChloroquine dose in pediatricsPlaquenil severe side effects An overdose of hydroxychloroquine can be fatal, especially in children. Take hydroxychloroquine for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Hydroxychloroquine Uses, Dosage & Side Effects -. Coronavirus and Arthritis What You Need to Know Arthritis Foundation. Hydroxychloroquine Plaquenil. Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? A rare complication of the commonly used rheumatoid arthritis drug hydroxychloroquine Plaquenil is injury to the retina the light-sensing portion of the back of the eye. The earliest sign of retinal changes from hydroxychloroquine is a decreased ability to distinguish between red and green colors.