Please review the following URL and make sure that it is spelled correctly. Some side effects may occur that usually do not need medical attention. Hydroxychloroquine plaquenil weight gain Hydroxychloroquine sulfate rheumatoid arthritis Aug 29, 2014 This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The side effect that is of greatest concern is retinal toxicity. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Thanks for the replies I'm on 200mg of paquenil twice a day I think the main reason the consultant suggested stopping it for a month was because I probably came over quite wishy washy as to whether it was helping me or not and he basically said quite often the best way to tell how much it is helping is to stop it for a month and see if you feel worse which I the time I thought made sense? 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 manufacturer change side effects Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Plaquenil Side Effects on Your Eyes and Vision Can i use of hydroxychloroquine with sulfa allergyCan chloroquine injection terminate pregnancyWhat stage of infection did the chloroquine treatPlaquenil male fertility Find information about common, infrequent and rare side effects of Plaquenil Oral. Common and Rare Side Effects for Plaquenil Oral. Hydroxychloroquine plaquenil withdrawl? - LUPUS UK. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more.