| Name | Starting dosage | Dose form | Approximate monthly cost* |
|---|---|---|---|
| Levalbuterol tartrate (Xopenex HFA) | Two inhalations every four to six hours in persons four years or older; in some patients, one inhalation every four hours issufficient. | 15-g metered-dose inhaler providing 45 mcg per actuation | $50 for one inhaler (200 metered actuations) |