Proventil HFA is an environmentally friendly inhaler that contains albuterol. It can be used to prevent or treat bronchospasms that occur in people with asthma, chronic bronchitis, or emphysema. The medication causes the muscles around airways to relax, which opens up the airways. Some side effects that may occur include upper respiratory tract infections, nausea, and vomiting.
Proventil HFA is made by the Schering-Plough Corporation.
How Does Proventil HFA Work?
Normally, air moves easily into and out of the lungs through a network of airways. But during an asthma attack, the muscles around these airways tighten. This narrows the airways and makes it harder to breathe. This is called bronchospasm.
Proventil HFA is part of a class of drugs called beta-adrenergic receptor agonists, or beta agonists for short. Beta agonists stimulate beta receptors in the body, including those on the muscles around airways. This stimulation causes the muscles to relax, which opens up the airways and allows more air to get into and through the lungs.
The medication also has some effects on decreasing the activity of mast cells in the lungs, which play an important role in inflammation and allergic reactions.
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