We use cookies to enhance your experience. By clicking "Accept All," you consent to the use of cookies. Learn more
The Serevent (Salmetarol), Evohaler or Accuhaler is a "preventer inhaler". It can be used to treat mild, moderate, and severe asthma symptoms. Salmetarol xinafoate, the active ingredient, is a long-acting inhaler that helps the lungs stay open.