Hydroxychloroquine 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. Retinal hypopigmentation discrete plaquenil Taking plaquenil twice a day Hydroxychloroquine blood monitoring Hydroxychloroquine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever, chills, cough or hoarseness, lower back or side pain, or painful or difficult urination. Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. You have experienced low blood sugar levels hypoglycaemia - a "hypo". Plaquenil may increase the risk of you having a hypo. You have or have had any of these medical conditions Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Hydroxychloroquine and blood sugar Hydroxychloroquine and Risk of Diabetes in Patients With., Hydroxychloroquine Uses, Dosage & Side Effects - Can plaquenil cause vertigoPlaquenil toxicity first screeninHydroxychloroquine sulfate and pregnancy When you think about RA, the term "blood sugar" might not come to mind. But the disease can affect your body in surprising ways. How Rheumatoid Arthritis Can Affect Your Blood Sugar How Rheumatoid Arthritis Can Affect Your Blood Sugar.. Plaquenil hydroxychloroquine sulfate Drug / Medicine.. Plaquenil - Uses, Side Effects, Interactions -. Some studies show that treatment with hydroxychloroquine for a period of 6 months can effectively decrease blood glucose and also hemoglobin A1c probably due to increase insulin production and secretion from B cells, or to decrease insulin clearance. Hydroxychloroquine is well documented to improve blood sugar and lipids. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria.