Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Stop taking plaquenil How long does it take for plaquenil to work Chloroquine lupus side effects Chloroquine po 300 mg daily We had been talking about the eye toxicity at that time and also about some muscle weakness I experiencing. Her point of the story was that though it's rare, side effects from plaquenil do happen. However, I didn't think much of the 90 year old woman story, because I figured she had probably been on plaquenil for a very long time by that point. The actual incidence of retinal toxicity from hydroxychloroquine is difficult to pin down because there is usually a long time between being started on the drug and the start of any identifiable retinal toxicity. The overall rate of probable retinal toxicity is in the range of 1 of every 200 people treated. The risk of a toxicity sharply increases after 5 years, with majority of cases of retinotoxicity occurring in patients that have had a cumulative dose exceeding 1000g of hydroxychloriquine Plaquenil. This level is reached in about 7 years with the most common daily dose of Plaquenil, 400 mg/day 200 bid. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil toxicity lips Hydroxychloroquine Plaquenil Toxicity and., What can Hydroxychloroquine Plaquenil do to my eyes? Plaquenil cenaChloroquine inhibits autophagy in host tissuesCan i drink alcohol taking plaquenil 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. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Risk Calculators. Plaquenil Uses, Dosage & Side Effects -. Here are 10 things to keep in mind when using Plaquenil Take it on a regular schedule, meaning at the same time each day. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset. Plaquenil toxicity is typically asymptomatic in early stages, but over time can lead to severe vision loss and retinal damage. The risk of retinal toxicity was initially believed to be less than 1% after long-term or a cumulative dosage of 1,000mg. 3 The toxicity would double by 10 years. The Risk of Retinal Toxicity with Plaquenil. Posted on Fri, Aug 29, 2014 Tweet; Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases.