There’s no cure for arthritis, which is unfortunate, but feeling better is definitely possible. The progression of RA may be diminished in severity and duration by the combination of medicines and therapy that work best as determined by you and your physician. Oct findings in plaquenil toxicity Effects of ultraviolet ray on chloroquine Plaquenil oct flying saucer Plaquenil for sickle cell anemia Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine belongs to a group of medicines known as antimalarials. 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. 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. Being able to stop joint damage can lessen pain and mean a better quality of life. You can also put off joint damage, and in some cases, you can do more than just slow it down. What is hydroxychloroquine is for Hydroxychloroquine Uses, Dosage & Side Effects -, Hydroxychloroquine - Wikipedia Hydroxychloroquine side effects vision The drug's full name is hydroxychloroquine, and is sold in the US under the brand name Plaquenil. It was approved in the 1950’s as an anti-malaria treatment. What is hydroxychloroquine? The malaria drug being trialled in the US.. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. Hydroxychloroquine Plaquenil Success, Reviews and Side Effects. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day.