['Metformin (Glucophage, Glumetza, others). Generally, metformin is the first medication prescribed for type 2 diabetes. ... ', 'Sulfonylureas. ... ', 'Meglitinides. ... ', 'Thiazolidinediones. ... ', 'DPP-4 inhibitors. ... ', 'GLP-1 receptor agonists. ... ', 'SGLT2 inhibitors. ... ', 'Insulin.']