There is no cure for asthma. Symptoms can be prevented by avoiding triggers, such as allergens and irritants, and by the use of inhaled corticosteroids. Long-acting beta agonists (LABA) or antileukotriene agents may be used in addition to inhaled corticosteroids if asthma symptoms remain uncontrolled. Treatment of rapidly worsening symptoms is usually with <answer>an inhaled short-acting beta-2 agonist such as salbutamol and corticosteroids</answer> taken by mouth. In very severe cases, intravenous corticosteroids, magnesium sulfate, and hospitalization may be required.
What is taken by mouth to treat rapidly worsening symptoms?
an inhaled short-acting beta-2 agonist such as salbutamol and corticosteroids