List 7 classes of drugs besides insulin that lower glucose, and their main mechanism of action.
| Drug Class | Mechanism of Action | |
| Biguanide (Metformin) | Reduces hepatic glucose production, Increases insulin sensitivity |
|
| Sulfonylureas | Insulin release via stimulation of the sulfonylurea receptor | |
| DPP-4 inhibitors (Sitagliptin/saxagliptin) |
Inhibit breakdown of GLP-1, GIP Incretins that stimulate insulin release in response to diet |
|
| GLP-1 analog (Liraglutide) | See above | |
| Thiazolidinediones (pioglitazone, rosiglitazone) |
PPARg agonist, Insulin sensitizer |
