The generic name of Doubletree is Metformin Hydrochloride, Metformin Hydrochloride Extended-Release Tablets are mainly taken orally, either with or after a meal. Metformin Hydrochloride Extended-Release Tablets, the main ingredient of which is Metformin Hydrochloride, is a hypoglycemic agent for patients with type 2 diabetes that cannot be well controlled with diet and exercise therapy alone. Metformin hydrochloride extended-release tablets are usually taken during or after meals, mainly taken orally, can be served with warm water, should be swallowed whole, prohibit chewing, otherwise it will affect the efficacy of the drug. Metformin hydrochloride extended-release tablets adverse reactions include nausea, vomiting, diarrhea, abdominal pain, etc. Type 2 diabetes mellitus with ketoacidosis, hepatic and renal insufficiency, as well as allergic to the product should be used with caution. If you want to take metformin hydrochloride extended-release tablets, you should take it under the guidance of a doctor, not self-medication, to avoid failing to achieve therapeutic effects. You also need to pay attention to your diet and limit the intake of high-sugar foods during the use of the drug, so as to avoid the rise of blood sugar, which affects the effect of the drug. At the same time, regular monitoring of blood glucose, to observe whether the blood glucose is elevated.