Daonil 5mg Tablets (600 tablets) contain Glibenclamide (also known as Gliburide), an oral medication used to manage type 2 diabetes mellitus. It belongs to the class of drugs known as sulfonylureas, which work by stimulating the pancreas to release more insulin. Insulin helps lower blood sugar levels, making Daonil effective for managing high blood sugar in patients with type 2 diabetes.