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. Plaquenil safe in pregnancy Plaquenil and fevers I found some literature that says that plaquenil can lower your blood sugar, but the stuff I found only mentioned reductions of about 5 mg/dl. Has anyone here had problems with blood sugar that was. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Dugan on plaquenil and low wbc This drug can effect the bone marrow and make the white blood count and platelets low. Your doctor may want to stop this medication, but don't stop it till you talk to the doctor. Also if your doing more exercise, it will also bring down your sugar much quicker. After exercising have some Orange juice, and a Carb. My sugar has lately been swinging both ways very quickly. Very high, and then after exercise to very low. Not able to control mine by diet, any more. Gastro doctor wants me on insulin. Hugs 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 Oral Uses, Side Effects, Interactions., Plaquenil and low wbc - Things You Didn’t Know Plaquenil similarChloroquine kills sporozoitesPlaquenil myasthenia gravis There was one ER dr. at Mayo Clinic who mentioned to me when I had gone there during a bad tachycardic episode, that Plaquenil can be a drug that can be a cause of that. When I followed up with Rheum and pcp, of course they all just dismissed any of that. Rapid Heartbeat with Plaquenil - Lupus - MedHelp. Does Lupus cause low.low blood sugar? Lupus Forums.. Plaquenil and low blood sugar -. Blood sugar levels Hydroxychloroquine may cause hypoglycemia low blood sugar levels. People with diabetes may find it necessary to monitor their blood sugar more frequently while using this medication. People without diabetes have also been known to experience low blood sugars while taking hydroxychloroquine. Plaquenil and Low Blood Sugar - Autoimmune diseases. Last night something really scary happened. First let me say that I don't have diabetes and I live alone. I skipped dinner because I wasn't hungry, although I took my meds before I went to bed early which includes 200 mg. of Plaquenil. 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.