Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Nursing responsibility of chloroquine Plaquenil nicotine Hydroxychloroquine and bloating Increasing plaquenil, having problems. Support Forums. At mentions that in overdose conditions or hypersensitive patients, plaquenil can cause dizziness and heart palpitations -- so these are definitely issues that you should talk to your doctor about. Perhaps there is a dosage between 200 and 400 that will be right for you. Coronary heart disease is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months, also take medication Vioxx, and have Osteoporosis. FDA is strengthening labels warning that nonsteroidal anti-inflammatory drugs NSAIDs, used for the temporary relief of pain and fever, can increase the risk of heart attack, stroke, and death. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Can plaquenil cause heart problems Lupus Patients Risk Early Heart Disease, Will you have Coronary heart disease with Plaquenil. Hydroxychloroquine affects retinaWeight based dosing plaquenil Examples of drugs that can cause interactions with hydroxychloroquine are listed below. Heart drug. Taking digoxin with hydroxychloroquine may increase the levels of digoxin in your body. This may. Hydroxychloroquine Side Effects, Dosage, Uses, and More. FDA Strengthens Warning of Heart Attack and Stroke Risk.. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. The American Heart Association is qualified 501c3 tax-exempt organization. *Red Dress ™ DHHS, Go Red ™; AHA; National Wear Red Day ® is registered trademark. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. Plaquenil can cause serious vision problems that aren't always reversible. Tell your doctor immediately if you notice any changes in vision or if you've ever had vision changes while taking.