Dapagliflozin (Forxiga) is the first in a new class of oral antidiabetic drug that has been given the go-ahead for marketing in Europe, including the UK. Described as a sodium glucose cotransporter 2 (SGLT2) inhibitor, this new preparation works on the kidneys to lower blood glucose. What does this new drug have to offer and how can it potentially help our patients with type 2 diabetes?