Formulation and Evaluation of Matrix Tablet of Levalbuterol

Asthma is a common chronic inflammatory disease of the airways characterized by variable and recurring
symptoms, reversible Asthma is the result of chronic inflammation of the airways which subsequently
results in increased contractability of the surrounding smooth muscles. This among other factors leads to
bouts of narrowing of the airway. The narrowing is typically reversible with or without treatment.
Occasionally the airways themselves change. Common symptoms include wheezing, coughing, chest
tightness.