Albuterol sulfate 90mcg/inh ... albuterol base). Asthma may deteriorate acutely over a period of hours or chronically over several days or longer. Need for more doses of Proair HFA than usual ...

Albuterol 90mcg/inh; metered-dose aerosol; contains hydrofluoroalkane; CFC-free. Activation of beta2-adrenergic receptors on airway smooth muscle leads to the activation of adenylcyclase and to an ...