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 and anxiety Plaquenil help dry eyes Chloroquine treatment in pregnancy Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye;. RARE side effects. The side effect that is of greatest concern is retinal toxicity. Retinal toxicity of Plaquenil may manifest itself with subtle disturbances of the retinal pigment epithelium which may eventually lead to complete destruction of the macula in the form of bull’s-eye maculopathy. 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 is side effects of plaquenil Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis., Common and Rare Side Effects for Plaquenil Oral Average dose for plaquenil is 1 tablet daily Jun 30, 2015 Tell your doctor if you have any side effect that bothers you or does not go away. These are not all the possible side effects Plaquenil. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. The Risk of Retinal Toxicity with Plaquenil. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. 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. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as.