Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Best time to take plaquenil before or after eating Why do some supplements call generic hydroxychloroquine brand name Plaquenil and surgery After consulting Dr. Google seems like it was probably low blood sugar, which is apparently a rare side effect. I called my doctor and described my symptoms and she told me to stop taking the Plaquenil and see how I feel in a week. So back to the Sjogren's World Forums participant this person noticed that after beginning to take Plaquenil, it became more difficult to keep her diabetes in control occasionally her blood sugar became too low and she had symptoms of hypoglycemia feeling very anxious, tremor, feeling suddenly very hungry, perspiring heavily, and feeling faint. Several others chimed in, many of whom were not diabetic, and said that they noticed the same thing. Used in the treatment of rheumatoid arthritis Plaquenil Hydroxychloroquine is generally a safer medicine. Its most common side effects include dyspepsia, nausea, vomiting, abdominal pain, and rashes. It may also cause ocular toxicity retinopathy. It is unlikely to cause increased blood sugar levels. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Can plaquenil cause low blood sugar Plaquenil and Low Blood Sugar - Inspire, Reasonably Well Plaquenil and Hypoglycemia Chloroquine phosphate shelf lifeWhite oval pill plaquenilPlaquenil and mood Prediabetes is considered as an intermediate clinical condition without complete definitive criteria of diabetes, but with blood glucose higher than the normal range. Patients with a prediabetes state are at increased risk for diabetes mellitus in the future,1 and are also predisposed to cardiovascular disorders. The effect of hydroxychloroquine on glucose control and.. Does intake of Plaquenil cause an increase in blood sugar.. Plaquenil hydroxychloroquine sulfate Drug / Medicine.. According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. This medication may rarely cause low blood sugar hypoglycemia. Tell your doctor right away if you develop symptoms of low blood sugar, such as sudden sweating, shaking, fast heartbeat, hunger. This medication may rarely cause low blood sugar hypoglycemia. Tell your doctor right away if you develop symptoms of low blood sugar, such as sudden sweating, shaking, fast heartbeat, hunger, blurred vision, dizziness, or tingling hands/feet. If you have diabetes, be sure to check your blood sugars regularly.