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. Avastin hydroxychloroquine Hydroxychloroquine hyperpigmentation Plaquenil mechanism of action Plaquenil insomnia Jun 30, 2015 Take this medication with a meal or a glass of milk to prevent stomach upset. Common side effects include nausea, loss of appetite, headache, and diarrhea. Plaquenil can cause blurred vision and dizziness. Do not drive or operate heavy machinery until you know how it affects you. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Oct 13, 2019 Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and people taking this medicine should be seen by an ophthalmologist at least once a year. 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. What are the side effects of the medication plaquenil Plaquenil - Uses, Side Effects, Interactions -, Hydroxychloroquine Plaquenil Plaquenil with zybanWhat is plaquenil taken for 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. Side effects of Plaquenil Other Drugs discussions.. What are the side effects of using hydroxychloroquine.. Hydroxychloroquine Uses, Dosage & Side Effects -. Get medical help right away if you have any very serious side effects, including sensitivity to light, vision changes e.g. blurred vision, seeing light flashes/streaks/halos, missing/blacked-out areas of vision, muscle weakness, numbness/tingling/pain of the arms/legs. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. Aug 14, 2017 According to Drugs.com, Plaquenil given for a long term can cause retinal disorders after a few months or years of daily use--especially if the dose exceeds 400mg per day. The risk of retinal damage increases at doses of 600mg to 700mg.