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. Plaquenil insomnia Plaquenil tb Allergy to plaquenil after being on it for years Chloroquine suicide survivor Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 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 and Alcohol. Alcoholic beverages may increase your risk of liver problems while you take Plaquenil. Avoid consuming alcohol while using this medicine. Plaquenil and Other Interactions 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 and eds Hydroxychloroquine Plaquenil, Plaquenil Side Effects on Your Eyes and Vision Plaquenil and reduced renal functionPlaquenil prescribed by rheumatologist cut in halfVulvodynia improvement with plaquenilPlaquenil maculopathy rate View detailed reports from patients taking plaquenil who experienced erectile dysfunction. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Hydroxychloroquine Sulfate Erectile Dysfunction Reports.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. ED Cialis plaquenil // GetNow. Plaquenil, widely used to treat lupus, rheumatoid arthritis and other inflammatory and dermatologic conditions, is very effective, and “the risk of toxicity in the first five years for someone without special risk factors is very low,” Dr. Marmor said. Hypermobile Ehlers-Danlos syndrome is an inherited connective tissue disorder that is caused by defects in a protein called collagen. It is generally considered the least severe form of Ehlers-Danlos syndrome EDS although significant complications can occur. With Plaquenil, however, the most commonly prescribed anti-malarial, this sort of damage occurs only in 1 out of 5,000 people who take the drug for five years or more. For this reason though, it is important that you see an ophthalmologist for an exam before starting to take an anti-malarial medication for your lupus.