a drug which relaxes smooth muscle in the airways and makes them open wider. It is used to treat asthma and chronic bronchitis.

Sold as Ventolin in the US, salbutamol is the World Health Organization's preferred name for albuterol bronchodilator.

Salbutamol (INN) or albuterol (USAN) is a short-acting β2-adrenergic receptor agonist used for the relief of bronchospasm in conditions such as asthma and COPD.