ProAir is used to treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease). ProAir belongs to a class of drugs known as bronchodilators. ProAir works in the airways by opening breathing passages and relaxing muscles.
Generic Spiriva is an anticholinergic agent. It works by enlarging the airways to allow easier breathing.
Generic Spiriva is used to prevent bronchospasm (narrowing of the airways in the lungs) in people with bronchitis, emphysema, or COPD (chronic obstructive pulmonary disease).