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 pubchem What must be evaluated while on hydroxychloroquine 400mg plaquenil at night This means many people taking Plaquenil for RA are taking a dose of 400mg a day or higher. Pigment deposits in the retina can cause vision changes, according to Steven Ofner, M. D. of Eugene Oregon Eye Care. Signs of retinal damage include blurry or distorted vision, flashes of light or floaters, or loss of night vision. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. I have been on plaquenil for many a year, and it has not affected my weight at all. If you go to or rxlist.com, neither of them list weight gain as a side effect, while they both list "nausea, vomiting, stomach pain; loss of appetite, weight loss" as side effects. 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. Can taking plaquenil cause weight loss Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Plaquenil 400 mg daily costHydroxychloroquine annual monitoringHydroxychloroquine lupus life insuranceHydroxychloroquine with methotrexate Hydroxychloroquine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Weight gain while on Plaquenil? lupus. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Can Plaquenil cause Weight Loss? Weight Loss is a known side effect of Plaquenil. Complete analysis from patient reviews and trusted online health resources, including first-hand experiences. Plaquenil caused a loss of appitite and weight loss for me. Both times I started taking it, the first time it was so serious I had to stop taking it. Started again several years later when I flared again and had loss of appitite and weight loss but a bit more moderate. The doctor can evaluate the medications a person is taking and help identify the cause of weight loss. Ideally, a doctor can make dietary recommendations and any necessary adjustments to.