Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Hydroxychloroquine plaquenil direct sunlight Chloroquine medscape Pfcrt chloroquine resistance Chloroquine intercalating 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. Find information about common, infrequent and rare side effects of Plaquenil Oral. Feb 19, 2020 Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil side effects eyes symptoms Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Common and Rare Side Effects for Plaquenil Oral Mechanism of action of hydroxychloroquine Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Protecting your eyesight when taking Plaquenil Lupus.. Sep 13, 2019 Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Many doctors disagree about the effects of plaquenil on the arthritis. It does help in about 60 % of the cases of arthritis by significantly reducing the pain. However, about 20 – 30 percent of people stop using it because of the side effects. Side effects include digestive problems, skin rash and disorders of skin pigmentation.