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 withdrawal side effects Cost of plaquenil at walmart pharmacy Can hydroxychloroquine help osteoarthritis Feb 19, 2020 As PLAQUENIL may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs That Prolong QT Interval And Other Arrhythmogenic Drugs. PLAQUENIL prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Plaquenil Hydroxychloroquine belongs to a group of medications known as anti-inflammatories and antimalarials. It is used alone or in combination with other anti-arthritic medications to treat rheumatoid arthritis. It helps to reduce pain, stiffness, and swelling in joints. Common Side Effects of Plaquenil. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache; Loss of appetite; Dizziness; Nausea 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 side effects liver Plaquenil - FDA prescribing information, side effects and uses, Plaquenil - Uses, Side Effects, Interactions - Hydroxychloroquine with lamotrigine Drug Information on Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine includes side effects, uses, drug interactions, dosage, drug pictures, overdose symptoms, and what to avoid. Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Side Effects on Your Eyes and Vision. Other side effects people have besides Liver function test abnormal * Drug Ineffective 146 people, 40.22%. Joint Pain 90 people, 24.79%. Fibromyalgia a long-term condition which causes pain all over the body 75 people, 20.66%. Joint Swelling 68 people, 18.73%. Anaemia lack of blood 65 people, 17.91%. Plaquenil. 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. Aug 14, 2017 Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis.