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. Chloroquine stability in water Hyperpigmentation of the skin due to hydroxychloroquine How long do you need to use plaquenil What drug classification is plaquenil Nov 09, 2018 The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have any questions. Be sure to notify your other physicians when taking this drug. This drug does not have a strong effect on the immune system, so vaccines recommended by other physicians are generally acceptable. Notify your eye doctor when you are on this medication so regular visual screening tests can be performed. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, mood changes, nervousness, irritability, skin rash, itching, or; hair loss. Tell your doctor if you experience serious side effects of Plaquenil including. muscle weakness, twitching, 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. Does plaquenil have lifetime effects Treating Lupus with Anti-Malarial Drugs Johns Hopkins., Hydroxychloroquine Plaquenil Does plaquenil weaken the immune systemPlaquenil and optic neuropathyPlaquenil overdose symptomsHydroxychloroquine corneal verticillata Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. Retinal toxicity associated with chronic exposure to.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Long-Term Side Effects of Plaquenil for 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. Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. 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. 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.