Ventolin Active ingredient: albuterol $21.85 for pill Ventolin is used to relieve symptoms of asthma, to treat patients with chronic obstructive bronchitis. It works relaxing muscles of bronchi and widening the air ways. Proventil Active ingredient: albuterol $23.98 for pill Proventil is used to treat or prevent bronchospasm in people with reversible obstructive airway disease.

Combivent Active ingredient: albuterol, ipratropium $38.17 for pill Combivent Aerosol is used for treating chronic obstructive pulmonary disease (COPD) in patients who require more than one bronchodilator.