Epinephrine vs Vilanterol

What to choose Epinephrine or Vilanterol

Epinephrine is inhaler of type Rescue while Vilanterol is of Control type. Epinephrine and Vilanterol are just substances that inhaler can contain. Epinephrine is contained in the inhaler Primatene. Vilanterol is contained in the inhaler Breo.