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. Chloroquine phosphate injection dosage Plaquenil pill doses Natural substitute for chloroquine Plaquenil derived from Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Heart rate increased 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 Actemra, and have Osteoporosis. 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 Will you have Heart failure with Plaquenil - eHealthMe, Plaquenil Hydroxychloroquine Sulfate - Sanofi Hydroxychloroquine pulmonary fibrosis 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. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Will you have Heart rate increased with Plaquenil - eHealthMe. Common and Rare Side Effects for Plaquenil Oral. Overdose symptoms may include drowsiness, vision changes, slow heart rate, chest pain, severe dizziness, seizure convulsions, or shallow breathing. What should I avoid while taking hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? 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 Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except.