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. Plaquenil drug assistance program Chloroquine avloclor Plaquenil and artemesia annua together 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 lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. Feb 19, 2020 Malaria. PLAQUENIL is indicated for the treatment of uncomplicated malaria due to P. falciparum, P. malariae, P. ovale, and P. vivax. PLAQUENIL is indicated for the prophylaxis of malaria in geographic areas where chloroquine resistance is not reported. Mar 17, 2019 Common hydroxychloroquine side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. 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 drug hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine., Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. What happens if you stop taking plaquenilNatural substitute for plaquenil for discoid lupusDoes plaquenil affect cgrp inhibitors Aug 14, 2017 Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Side Effects, Dosage, Uses, and More. In rare cases, hydroxychloroquine Plaquenil can have side effects that affect the eyes, so people who take this medicine should see an ophthalmologist at least once a year. Feb 19, 2020 Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Side-effects aren't common. However, in some people hydroxychloroquine can cause skin rashes, especially those made worse by sunlight; feeling sick nausea or indigestion; diarrhoea; headaches; bleaching of the hair or mild hair loss; tinnitus ringing in the ears visual problems.