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. Do you need a prescription for chloroquine Pharmacy hydroxychloroquine SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Summary We study how severe was Diplopia, when it was recovered, drug effectiveness, race, and more among people who take Plaquenil. This study is created by eHealthMe based on reports of 1,993 people who have side effects when taking Plaquenil from sources other than FDA, and is updated regularly. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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 severe side effects Plaquenil Hydroxychloroquine Side Effects and Adverse., Diplopia in Plaquenil how severe and when it was. Plaquenil cause disuflHydroxychloroquine sulfate 200 mg brand nameHydroxychloroquine sulphate usesPlaquenil kidney damage Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. 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. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about. What are the possible side effects of antimalarial drugs? Plaquenil is most often well-tolerated but, like with any drug, side effects are possible. Most people about 90% who take antimalarial medications experience no side effects. If common side effects do occur, they are usually minor and last only for a short period of time. Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects.