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. Can hydroxychloroquine cause weight loss Plaquenil therapy icd 10 What happens if you stop taking your plaquenil In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 The Risk of Retinal Toxicity with Plaquenil. Posted on Fri, Aug 29, 2014 Tweet; Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. 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 cause disufl Protecting your eyesight when taking Plaquenil Lupus., Hydroxychloroquine Side Effects Common, Severe, Long Term. Chloroquine 250 mg tabletPlaquenil eye damage reversible Plaquenil’s long half-life in the body can cause irreversible and progressive damage, Dr. Fung said. Similarly, one study reported that 16 women who’d taken hydroxychloroquine or chloroquine, or a combination of the agents, showed no improvement seven years after stopping drug therapy, and progression occurred in six of the cases. 2 Rx Side Effects New Plaquenil Guidelines and More - American.. The Risk of Retinal Toxicity with Plaquenil. Plaquenil - FDA prescribing information, side effects and uses. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. 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 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. Plaquenil Reviews.