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. What company makes plaquenil Will aches come back after stopping plaquenil The mechanism of action is thought to be anti-inflammatory, but Plaquenil also seems to reduce sensitivity to sunlight. It has also been noted recently that smoking reduces the effectiveness of Plaquenil in treating lupus, thus, smoking cessation should be instituted in all patients taking Plaquenil. More About Autoimmune diseases DERMATOMYOSITIS Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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. Plaquenil Hydroxychloroquine sulfate is a drug originally used to prevent or treat malaria. Malaria is a serious but rare disease caused by bites from infected mosquitos. Now the drug is used to treat inflammatory diseases. This type of disease occurs when the body's immune system attacks its own healthy tissue. 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. Plaquenil related diseases Lichen planopilaris Genetic and Rare Diseases., Plaquenil Uses, Dosage & Side Effects - Lupus worse or plaquenil side effectsPlaquenil and lasikGeneric plaquenil costHydroxychloroquine prostate cancer Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. What Is Plaquenil? - American Academy of Ophthalmology. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Aug 29, 2014 Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. In Sjögren’s, Plaquenil is used to treat many symptoms of Sjögren’s including fatigue, joint. Plaquenil itself probably does not have a direct affect on your immune system - it is a DMARD and is not considered to be an immunosuppressant. However, many with active autoimmune diseases feel that they are not succeptible to many of the common viruses that they are exposed to - somewhat of a silver lining. Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except.