Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil testing review of optometry Will my hair grow back after plaquenil Is there withdrawal from hydroxychloroquine Proguanil plus chloroquine Plaquenil tablets contain the active ingredient hydroxychloroquine, which is a type of medicine called a disease-modifying anti-rheumatic drug DMARD. It is used to treat rheumatoid arthritis. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Hydroxychloroquine 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. This medicine is not effective against all strains of malaria. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. What are the warning on the nnedicine named hydroxychloroquine Hydroxychloroquine MedlinePlus Drug Information, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses What class of drugs is chloroquinePlaquenil for arthritis side effectsChloroquine phosphate cas 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. It is taken by mouth. Hydroxychloroquine - Wikipedia. Plaquenil, Plaquenil Sulfate, Quineprox.. Plaquenil Side Effects Common, Severe, Long Term -. Hydroxychloroquine belongs to the family of medicines called antiprotozoals. Protozoa are tiny, one-celled animals. Some are parasites that can cause many different kinds of infections in the body. This medicine is used to prevent and to treat malaria and to treat some conditions such as liver disease caused by protozoa. While side effects of corticosteroids are usually to blame, there is also the possibility of ocular damage associated with long-term use of the antimalarial drugs hydroxychloroquine brand name Plaquenil® and chloroquine. Improved vision screening tests and updated dosing guidelines are key to avoiding such complications. Efficacy and Safety of Hydroxychloroquine for Treatment of Pneumonia Caused by 2019-nCoV HC-nCoV The safety and scientific validity of this study is the responsibility of the study sponsor and investigators.