Vilanterol vs Tiotropium

Vilanterol vs Tiotropium

What to choose Vilanterol or Tiotropium

Vilanterol and Tiotropium are inhalers both of Control type. Vilanterol and Tiotropium are just substances that inhaler can contain. Vilanterol is contained in the inhaler Breo. Tiotropium is contained in the inhaler Spiriva.