Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Chloroquine fluorescence spectrum Plaquenil whorl keratopathy Heart problems like heart failure and a certain abnormal heartbeat prolonged QT interval have happened with Plaquenil hydroxychloroquine. Sometimes, these heart problems have been deadly. Sometimes, these heart problems have been deadly. View detailed reports from patients taking plaquenil who experienced heart rate increased. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Similar blockages in the heart or brain may cause a heart attack or stroke. People with PAD, especially PAD that causes pain, have a much higher than normal risk of having a heart attack or stroke. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil and rapid heartbeat Plaquenil Hydroxychloroquine Side effects, Images, Uses, Dosage., Hydroxychloroquine Sulfate Heart Rate Increased Reports. Hydroxychloroquine light sensitivityPlaquenil and lupus rashChloroquine phosphate user reviewsHydroxychloroquine dose by weightChloroquine phosphate vet Sjogren's Syndrome - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information. Sjogren's Syndrome Guide Causes, Symptoms and Treatment Options. Leg Pain Can Mean Heart Danger, Expert Says. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Ventricular tachycardia is a rapid heart rate that originates with abnormal electrical signals in the lower chambers of the heart ventricles. The rapid heart rate doesn't allow the ventricles to fill and contract efficiently to pump enough blood to the body. What is Long qt syndrome? Long qt syndrome disorder of the heart's electrical system has been reported by people with depression, high blood pressure, atrial fibrillation/flutter, pneumonia, schizophrenia. Check the latest reports from 1,936 Long qt syndrome patients, or browse all conditions. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria.