Acetohexamide (Dymelor) is a first-generation sulfonylurea medication used to treat diabetes mellitus type 2, particularly in people whose diabetes cannot be controlled by diet alone.

Chlorpropamide is a drug in the sulphonylurea class used to treat type 2 diabetes mellitus. It is a long-acting sulphonylurea.

Glibenclamide (INN), also known as glyburide (USAN), is an anti-diabetic drug in a class of medications known as sulfonylureas.

Gliclazide is an oral hypoglycemic (anti-diabetic drug) and is classified as a sulfonylurea. It is marketed as Diamicron and Dianorm in India.

Glimepiride is a medium-to-long acting sulfonylurea anti-diabetic drug. It is marketed as Amaryl by Sanofi-Aventis and Glyree by Ipca.

Glipizide is an oral medium-to-long acting anti-diabetic drug from the sulfonylurea class. It is classified as a second generation sulfonylurea, which means that it undergoes enterohepatic circulation.

Tolazamide is an oral blood glucose lowering drug used for people with Type 2 diabetes. It is part of the sulfonamide family (ATC A10BB).

Tolbutamide is a first generation potassium channel blocker, sulfonylurea oral hypoglycemic drug sold under the brand name Orinase