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. Side effects of discontinuing plaquenil Hydroxychloroquine cardiac side effects Oct 21, 2019 Some side effects of sulfasalazine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Chloroquine Phosphate. Uses. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter. Side Effects. Precautions. Interactions. Oct 01, 2018 Chloroquine does not treat the hypnozoite liver stage forms of Plasmodium and will therefore not prevent relapses of malaria due to P. vivax or P. ovale. Additional treatment with an anti-malarial agent active against these forms, such as an 8-aminoquinoline, is required for the treatment of infections with P. vivax and P. ovale. Cardiac 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. Pics of ocular side effects chloroquine Common and Rare Side Effects for Tamiflu Oral, Chloroquine Oral Uses, Side Effects, Interactions, Pictures. Use of chloroquine during pregnancy Find patient medical information for Mefloquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Mefloquine Oral Uses, Side Effects, Interactions.. Chloroquine - FDA prescribing information, side effects and uses. Chloroquine Phosphate Bulk Uses, Side Effects.. Hydroxychloroquine Plaquenil and chloroquine cause ocular toxicity, including the cornea, ciliary body, and retina. Chloroquine can cause cataract; however, no reports of hydroxychloroquine and cataract have been reported. This article focuses upon hydroxychloroquine retinopathy. Plaquenil toxicity isn’t even in the top 10, or the top 100” if you’re looking at incidence, he said. “It’s a pretty rare thing.” Nevertheless, he urged doctors to master the Academy’s new guidelines, because the effects from chloroquine and hydroxychloroquine, when they do occur, are severe and often irreversible. Apr 02, 2019 Taking chloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine 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.