When to use a combination of dapaglifozin (10)and metformin 500 in a patient who is hypertensive well controlled (120/80) with telmisartan 20 female patient and now in a metformin 1000 therapy night dose . What are the rationale to start the dapa and metformin combination and what to check before administering it . Doesn't dapaglifozin cause euglycemic dka and risk of uti ?