Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Scalp itching and plaquenil Plaquenil dosage based on weight Chloroquine resistance map malaria Hydroxychloroquine at night Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Plaquenil, widely used to treat lupus, rheumatoid arthritis and other inflammatory and dermatologic conditions, is very effective, and “the risk of toxicity in the first five years for someone without special risk factors is very low,” Dr. Marmor said. However, risk increases with duration of use. Plaquenil is generally well-tolerated, but side effects are possible. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Dangers of plaquenil Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Rx Side Effects New Plaquenil Guidelines and More - American. Plaquenil reductionChloroquine maculopathy dosePlaquenil ophthalmologist or optometrist Aug 29, 2014 Several risk factors may increase the likelihood of retinal toxicity from Plaquenil such as, age of greater than 60 years, daily dose more than 6.5 mg/kg; use of the drug more than 5 years, obesity, preexisting retinal disease and, renal or liver failure. The Risk of Retinal Toxicity with Plaquenil. Taking Plaquenil for Rheumatoid Arthritis. Long-Term Side Effects of Plaquenil for Rheumatoid.. Plaquenil side effects Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Jan 01, 2020 Insulin or antidiabetic drugs As Plaquenil may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs that prolong QT interval and other arrhythmogenic drugs Plaquenil prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Plaquenil is used in the treatment of sarcoidosis but its main use is in the treatment of malaria. One of the side effects of taking the drug is that it affects eye sight, and eye tests, especially field of vision tests need to be done every six months. For the four years that I took the drug.