Budesal Respules 0.5mg Online USA Budesal Respules 0.5Mg/2.5Ml associated with the corticosteroid class of medicine.One pack of Budesalrespules 0.5/2.5ml consists of 0.5 per 2.5ml of Budesonide and Salbutamol. It is prescribed for treatment and prevention of Asthma and chronic obstructive pulmonary disorder (COPD). How Budesal 0.5mg respules 2.5ml works: Budesal 0.5mg Respules 2.5ml is a combination of two drugs: Levosalbutamol and Andbudesonide. Levosalbutamol is a bronchodilator which acts by relaxing the muscles in the airways and open the airways. Budesonide is called a corticosteroid. It works by stopping or control the release of certain natural substances in body that are usually responsible for inflammation (swelling) in the airways. Together, they make breathing smoother.