Additionally, another exception occurred while executing the custom error page for the first exception. Plaquenil is the brand name for the prescription drug hydroxychloroquine. Plaquenil diopsys mferg Chloroquine mechanism of action lupus How often do you take plaquenil Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in some individuals. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. 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. Plaquenil and vision side effects Taking Plaquenil for Rheumatoid Arthritis, Plaquenil Oral Uses, Side Effects, Interactions, Pictures. Side effects from stopping plaquenil Find information about common, infrequent and rare side effects of Plaquenil Oral. Common and Rare Side Effects for Plaquenil Oral. PATIENT FACT SHEET Hydroxychloroquine Plaquenil. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. When should you see an ophthalmologist when taking Plaquenil? If you take Plaquenil, here is when to see an ophthalmologist Before Plaquenil treatment begins. You will have a “baseline” eye exam. This measures the health of your eyes and looks for retinal or macular disease. Once a year while taking Plaquenil. This sort of retinal damage may result in patchy loss of central vision or patchy loss of vision just close to the centre of your vision. There are a number of other much less important side effects of Plaquenil, including changes in the cornea and changes in the eyelids.