These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Plaquenil laser hair removal Can plaquenil cause stomach and esophagus problems Hello,i have had an increased heart rate since I was put on plaquenil-generic and my rheumatologist said that is not a side effect from the heart rate used to run 60 to 74 bpm and now up to 104 daily and with exercise like the treadmill it raises to 178 which is dangerous. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Plaquenil side effects on heart Let me tell you what weaning down from Plaquenil is like., Plaquenil Oral Uses, Side Effects, Interactions. Chloroquine autophagy flux 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. Plaquenil Hydroxychloroquine Sulfate. Plaquenil Side Effects Common, Severe, Long Term -. How Arthritis Medications Can Affect Your Heart Arthritis Foundation. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. Torsades De Pointes, A Type Of Abnormal Heart Rhythm. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in some individuals.