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. Dose of chloroquine to inhibit autophagy Plaquenil granuloma annulare Surgery while taking plaquenil Is hydroxychloroquine safe in pregnancy What is Plaquenil Hydroxychloroquine? Learn about drug imprint, side effects, uses treating, dosage, interaction, overdose, and warnings. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Plaquenil received an overall rating of 5 out of 10 stars from 4 reviews. See what others have said about Plaquenil, including the effectiveness, ease of use and 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. Drug warnings for plaquenil Plaquenil - FDA prescribing information, side effects and uses, Hydroxychloroquine Side Effects, Dosage, Uses, and More Dr reddy's laboratories hydroxychloroquineHydroxychloroquine bleeding and surgeryPlaquenil and pregnancy category 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. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Reviews Everyday Health. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Warnings. Take with food. Take this medication at least 4 hours before or 4 hours after antacids. Avoid prolonged or excessive exposure to direct and/or artificial sunlight while using this medication. WARNING Keep Out of the Reach of Children. Fatal Poisoning may occur if chewed or swallowed. PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. 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.