when should metformin be taken
-Elderly, debilitated, and malnourished patients: Titration to the maximum dose is generally not recommended. -Concomitant Insulin therapy: When initiating treatment in patients currently receiving insulin, metformin should be started at 500 mg orally once a day and titrated in 500 mg increments weekly. When fasting blood glucose levels decrease to less than 120 mg/dL, consider decreasing the insulin dose by 10% to 25%.
Usual Adult Dose for Diabetes Type 2. -Metformin, if not contraindicated, is the preferred initial pharmacologic agent for treatment of type 2 diabetes mellitus. -Immediate-release: Take in divided doses 2 to 3 times a day with meals; titrate slowly to minimize gastrointestinal side effects.