Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data. Why chloroquine has high volume of distribution Plaquenil and lymphoma Hydroxychloroquine ati 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. Side Effects Panic attacks, anxiety, rapid heartbeat, difficulty breathing, feeling like I am on speed. Generally not feeling well but have an over excess of energy. Generally not feeling well but have an over excess of energy. 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. Please check with the appropriate physician regarding health questions and concerns. The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Plaquenil anxiety side effect Rx Side Effects New Plaquenil Guidelines and More., Hydroxychloroquine Sulfate Anxiety Reports - DrugInformer Methotrexate and plaquenil for psoriatic arthritis 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. Diarrhea, vomiting, or stomach pain. Skin rash. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Taking Plaquenil for Rheumatoid Arthritis. But nervousness, mood and behavioural changes, and anorexia are uncommon reported side effects of Plaquenil too and should be reported to your doctor. 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. Hydroxy Plaquenil CAN affect moods & can cause 'mental changes' in some people u should b able 2 clarify this by reading u're info leaflet in the med packet. I came off hydroxy as I gained no benefit whatsoever & apart from getting near on every side effect from it, became the most s**** bitch ever lol!