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. Hydroxychloroquine and infertility Hydroxychloroquine effects on blood sugar Feb 19, 2020 Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. A heart palpitation is the sensation that your heart has skipped a beat or added an extra beat. It may feel like your heart is racing, pounding, or fluttering. Most heart palpitations are harmless. Plaquenil can definitely cause racing and uneven heartbeats and it’s common so if someone is telling you it’s unrelated, they’re likely wrong. If you want to see a list of side effects you can use this website by going to the top right side of the page and type in the medication. Scroll down to ‘side effects’ in blue and click on that. 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 heart racing Hydroxychloroquine Sulfate Heart Rate Increased Reports., Heart Palpitations Causes, Diagnosis, and Treatments Plaquenil for seronegative arthropathyHydroxychloroquine side effects hair lossHydroxychloroquine chemotherapy 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. Hydroxychloroquine Plaquenil. Has anyone experienced heart palpitations from taking Plaquenil?. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Jan 09, 2020 Heart palpitations can feel like a fluttering in the chest, a pounding heart, or a racing pulse. Smoking, exercise, and stress can cause them, but if palpitations are the result of an underlying. I get the heart racing as well. My whole body basically goes haywire. If you definitely cannot take the plaquenil, then you should speak with your rheumy about starting may make you start to feel better. There are other anti-malaria drugs on the market that your rheumy can put you on instead of the plaquenil. Call your doctor immediately or get emergency medical help if you experience any of the following serious side effects Any vision problems, such as reading difficulties, sensitivity to light. Hearing problems, such as ringing or ticking in the ears, or hearing changes. Loss of balance.