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. Hydroxychloroquine and methotrexate interaction Hydroxychloroquine temporal arteritis Feb 19, 2020 SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Feb 19, 2020 Concomitant PLAQUENIL and digoxin therapy may result in increased serum digoxin levels serum digoxin levels should be closely monitored in patients receiving combined therapy. Insulin Or Antidiabetic Drugs. As PLAQUENIL may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs that affect heart rhythm. Hydroxychloroquine should not be taken with other drugs that could cause heart arrhythmias irregular heart rate or rhythm. Taking hydroxychloroquine with these. 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 increased heart rate Plaquenil Side Effects Common, Severe, Long Term -, Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Plaquenil scarring alopeciaEye problems caused by plaquenilPlaquenil fish oilHydroxychloroquine mide What is Heart rate irregular? Heart rate irregular has been reported by people with high blood pressure, multiple sclerosis, rheumatoid arthritis, osteoporosis, atrial fibrillation/flutter. Check the latest reports from 31,857 Heart rate irregular patients, or browse all conditions. Will you have Heart rate irregular with Plaquenil - eHealthMe. Hydroxychloroquine Side Effects, Dosage, Uses, and More. What Conditions does Plaquenil Treat? - WebMD. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Sinus tachycardia is a normal increase in the heart rate. In this condition, the heart’s natural pacemaker, the sinoatrial SA node, sends out electrical signals faster than usual. The heart rate is faster than normal, but the heart beats properly. Causes of sinus tachycardia Plaquenil received an overall rating of 5 out of 10 stars from 4 reviews. See what others have said about Plaquenil, including the effectiveness, ease of use and side effects.