Losartin (Cozaar);  Irbesartin
  • Angiotensin II receptor antagonists: Losartin (Cozaar) and Irbesartin, AT1 angiotensin II receptor antagonists, act by blocking the interaction between angiotensin II and its receptor.
  • The magnitude of the blood pressure decrease associated with losartin may be somewhat less than that seen with ACE inhibitors.