Your doctor may want your eyes be checked by an ophthalmologist (eye doctor). Contact your doctor right away if you have any changes to your heart rhythm. Retinal changes with the use of hydroxychloroquine Plaquenil for relapsing polychondritis Does plaquenil have blood thinning properties Plaquenil sulfate allergy Plaquenil does lower blood sugar. I found that out shortly after I began taking it. And from my endocrinologist. Please eat a healthy diet, frequent small meals throughout the day, and make sure you have an adequate protein to carbohydrate ratio in your meals. I always make sure I have yogurt on hand just in case my sugar dips too low. The anti-malarial drug lowers cholesterol and blood sugar and makes blood less sticky, which is good for reducing blood clots and heart attack risk. If you take the anti-malarial drug hydroxychloroquine Plaquenil as part of your treatment for lupus or rheumatoid arthritis RA, you may be getting cardiovascular protection as an added bonus. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. Low Blood Sugar; Low Levels Of A Type Of White Blood Cell. Make sure your doctor knows if you had a heart rhythm problem such as QT prolongation. Check with your doctor right away if you have muscle weakness, pain, or tenderness while using this medicine. You might feel dizzy or faint, or you might have a fast, pounding, or uneven heartbeat. Plaquenil lowers blood sugar Plaquenil and Low Blood Sugar - Inspire, Hydroxychloroquine Lowers Risk of Heart Attack and Stroke. Hydroxychloroquine 400 mgPlaquenil maculopathy screeningWhat durg class is chloroquine Your doctor will need to perform occasional blood tests to check for any blood reactions. Your doctor may monitor your blood sugar levels if you have experienced hypoglycaemia while taking Plaquenil. Plaquenil hydroxychloroquine sulfate Drug / Medicine.. Common and Rare Side Effects for Plaquenil Oral. A favorable effect of hydroxychloroquine on glucose and lipid.. One of the sjoggies there who is diabetic noted that her blood sugars were consistently lower after she began taking Plaquenil hydroxychloroquine. Hydroxychloriquine is a disease modifying anti rheumatic drug DMARD commonly used as a first-line medication in the treatment of Sjogren's syndrome and other autoimmune diseases. Low blood cell counts have happened with Plaquenil hydroxychloroquine. If blood cell counts get very low, this can lead to bleeding problems, infections, or anemia. Call your doctor right away if you have signs of infection like fever, chills, or sore throat ; any unexplained bruising or bleeding; or if you feel very tired or weak. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral.