It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Raynauds and hydroxychloroquine Folic acid and hydroxychloroquine dosing Retinae eye drops hydroxychloroquine Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. PLAQUENIL This medicine is a white, dog-bone, film-coated, tablet imprinted with "PLAQUENIL". Find information about common, infrequent and rare side effects of Plaquenil Oral. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. What does plaquenil look like Hydroxychloroquine Oral Route Description and Brand Names., Plaquenil Oral Uses, Side Effects, Interactions. Amaurosis fugax from plaquenilClass drug plaquenil What does hydroxychlorqoune hyperpigmentation look like? Skin pigmentation related to use of hydroxychloroquine starts out as a yellow brown to slate gray or black pigmentation on many areas of the body - especially the front of the shins but also the face, forearms, mouth mucosa essentially hard palace and gingivae and nail beds. Skin Pigmentation with Hydroxychloroquine Plaquenil.. Common and Rare Side Effects for Plaquenil Oral. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus is also used to treat malaria. The lowest GoodRx price for the most common version of generic Plaquenil is around $20.41, 88% off the average retail price of $177.73. Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. Plaquenil can produce pigment changes in the macula of the retina. The retina is the part of the back of the eye that you see with. The macula is the central part of the retina responsible for central fine vision. With Plaquenil related toxicity, the pigment in the macula can change and alter vision by producing blurring and distortion of objects.