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. How does hydroxychloroquine work for lupus Spectral-domain optical coherence tomography in hydroxychloroquine retinopathy Aralen chloroquine phosphate Hydroxychloroquine is a quinoline medicine 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, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine SULFATE. Uses. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of. Side Effects. Precautions. Interactions. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs. If you have had any eye changes or changes in eyesight due to hydroxychloroquine or drugs like this one. If you have psoriasis. 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 medication side effects Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis, Hydroxychloroquine Oral Uses, Side Effects, Interactions. What happens if you double doses of plaquenil 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. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine Indications, Side Effects. -. Plaquenil Side Effects - GoodRx. These medications may interact and cause very harmful effects. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. HYDROXYCHLOROQUINE/POSSIBLE QT PROLONGING AGENTS Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Incidence not known Blistering, peeling, loosening of the skin My plaquenil post Plaquenil can make you completely blind! *Legitimate looking vitamins I take to help remediate it I took Plaquenil for over 13 years and it caused me and 6 in every 1000 patients, new research shows to have toxic maculopathy it caused. *re even if you quit taking the drug, it can continue to damage the eye until blindness occurs.