Ventolin Evohaler is a metered-dose inhaler containing Salbutamol (as sulphate) that delivers 100 micrograms per actuation. This prescription medication provides 200 metered doses and is used for the relief and prevention of asthma symptoms and other respiratory conditions. Ventolin Evohaler contains the active ingredient Salbutamol sulphate, which belongs to a group of medicines called bronchodilators. It works by relaxing the muscles in the airways to make breathing easier. The inhaler provides quick relief from asthma symptoms including breathlessness, wheezing and chest tightness. Each canister contains 200 measured doses of 100 micrograms Salbutamol. This is a prescription-only medication that should be used as directed by a healthcare provider. Keep track of the number of doses used and always have a spare inhaler available.