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. Can plaquenil cause a negative ana Love plaquenil Malaria treatment drugs chloroquine What are the most common side effects of plaquenil Jun 30, 2015 Take this medication with a meal or a glass of milk to prevent stomach upset. Common side effects include nausea, loss of appetite, headache, and diarrhea. Plaquenil can cause blurred vision and dizziness. Do not drive or operate heavy machinery until you know how it affects you. Many doctors disagree about the effects of plaquenil on the arthritis. It does help in about 60 % of the cases of arthritis by significantly reducing the pain. However, about 20 – 30 percent of people stop using it because of the side effects. Side effects include digestive problems, skin rash and disorders of skin pigmentation. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. 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. What are the side effects of the medication plaquenil Hydroxychloroquine Plaquenil, Side effects of Plaquenil Other Drugs discussions. Effects of hydroxychloroquine on tasteSensorineural hearing loss and plaquenilHydroxychloroquine regular blood test Potential side effects of anti-malarial drugs include Skin rashes and pigment change. Atabrine, specifically, can cause yellow pigmentation of skin. Sometimes Plaquenil can also deposit in the tissues. Dry skin. Loss of appetite. Abdominal bloating. Upset stomach. Stomach cramps. Retinal damage. Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Feb 19, 2020 Ventricular arrhythmias and torsade de pointes have been reported in patients taking PLAQUENIL see OVERDOSAGE and DRUG INTERACTIONS. Ear and labyrinth disorders Vertigo, tinnitus, nystagmus, nerve deafness, deafness. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. Plaquenil is associated with potential side effects, one of which is particularly worrisome to people who have been prescribed the drug. Safe use helps to minimize undesirable side effects. Although Plaquenil is an older drug, it is still available and prescribed to some people who have rheumatoid arthritis or certain other rheumatic diseases.