Salbutamol (Retavent) 1mg/ml (2.5mg/2.5ml) Solution for Inhalation is a medication used to treat and prevent bronchospasm in individuals with asthma and other respiratory conditions, such as chronic obstructive pulmonary disease (COPD). It is a bronchodilator that works by relaxing the muscles in the airways, making breathing easier. The solution comes in ampoules for inhalation, typically delivered through a nebulizer. Each pack contains 30 ampoules, each containing 2.5mg of Salbutamol in 2.5ml of solution.