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. Hydroxychloroquine sulfate crush What is hydroxychloroquin Apr 10, 2019 Plaquenil side effects. Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Skin side effects of plaquenil Plaquenil Side Effects - GoodRx, Hydroxychloroquine - Side Effects, Dosage, Interactions. Hydroxychloroquine foods to avoid 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.. Plaquenil Indications, Side Effects, Warnings -. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Summary Skin burning sensation is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Humira, and have Psoriatic arthropathy. 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. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.