It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Chloroquine 250 mg tablet Plaquenil photo Uses for plaquenil Download PDF. Drug-induced ocular side effects are back in the spotlight, thanks to the Academy’s revision of its recommendations on screening for retinal toxicity from chloroquine and its analogue hydroxychloroquine Plaquenil. 1 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. Hydroxychloroquine Plaquenil is used to treat malaria, lupus and rheumatoid arthritis. It is a known retinal toxin, and the effects are irreversible. Fortunately, most patients taking this drug do not experience side effects at the dosages usually prescribed. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Ocular side effects hydroxychloroquine Eye screening for patients taking hydroxychloroquine., Plaquenil Hydroxychloroquine - Side Effects, Dosage. How do you know if plaquenil is workingHow to reverse the side gastrointestinal side effects of plaquenilChloroquine lysosomal acidificationPlaquenil maculopathy autofluorescence One of the most serious side effects is a toxicity in the eye generally with chronic use. People taking 400 mg of hydroxychloroquine or less per day generally have a negligible risk of macular toxicity, whereas the risk begins to go up when a person takes the medication over 5 years or has a cumulative dose of more than 1000 grams. Hydroxychloroquine - Wikipedia. Systemic Drugs with Ocular Side Effects. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine is a disease-modifying anti-rheumatic drug DMARD used for rheumatoid arthritis and lupus. Learn how long it takes, risks and side-effects. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL.