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).
Generic Zithromax is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, and sexually transmitted diseases. In children, it is used to treat middle ear infection, pneumonia, tonsillitis, and strep throat.