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 toxicity in the eye Plaquenil treatment rheumatoid arthritis How much hydroxychloroquine can i take Is plaquenil good or bad for kidneys According to Drugs.com, Plaquenil given for a long term can cause retinal disorders after a few months or years of daily use--especially if the dose exceeds 400mg per day. The risk of retinal damage increases at doses of 600mg to 700mg. Although long-term use of chloroquine is associated with congestive heart failure and rhythm disturbances, hydroxychloroquine can be considered safe in appropriate doses as applied in our trial, even if risk factors like renal failure, high-dose therapy and preexisting cardiac disease may be present in higher doses or in longer treatment periods. For instance, in those patients who receive digoxin therapy, minute caution is needed because of the interaction between these drugs. Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Before taking this medicine. You should not use Plaquenil if you are allergic to hydroxychloroquine. Plaquenil should not be used for long-term treatment in children. 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 long-term use of plaquenil causing low-blood sugar Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine., The effect of hydroxychloroquine on glucose control and. Chloroquine chemoprophylaxisSymptoms of plaquenil eye problemsChloroquine prostate cancer Plaquenil and Hypoglycemia - from FDA reports Summary Hypoglycemia is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months, also take medication Methotrexate, and have High blood pressure. Will you have Hypoglycemia with Plaquenil - eHealthMe. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Oral Uses, Side Effects, Interactions.. Yes, plaquenil can cause low blood sugars. Eat frequent meals with carbs and protein but good carbs with fiber like oatmeal or whole wheat toast with peanut butter. I like the lowered blood sugar effect b/c I have type 2 diabetes but before I got type 2, I had some low sugars with plaquenil for sure. 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 months, but it can take up to six months for full effects. Stop taking the medicine and call your doctor if your symptoms worsen or don’t improve. If hypoglycemia remains untreated, it can lead to any of the severe symptoms mentioned above, such as seizures, unconsciousness, and, eventually, death. This is why it's critical to treat low blood sugar immediately, no matter the cause. Hypoglycemia can also be a contributing factor in accidents such as falls, motor vehicle accidents, and.