Over the counter asthma medication is one of the medicines for asthma. But let me tell you first about asthma. Asthma is a condition while a person cannot breathe freely because the lungs become narrower than before.
The lungs space become narrow and this is why the air cannot coming inside and outside through the body. This asthma can happen because dirty air or food.

Asthma can be heal with many kinds of treatment and over the counter asthma medication is one of the treatments that people usually try, or people usually call it as OTC. Epinephrine and ephedrine is two drugs that usually use for OTC.
But before you decide to do OTC for your asthma medication you should ask your doctor first because the doctor knows your condition better.
Over the counter asthma medication works to make the lung space become wider so the airway will be freely flow enter your lung.
But this medication is not good for person who has allergic for some drugs; there are few people who have allergic with some drugs.If they consume this medicine, the result not gets better but the asthma usually getting worse and worse.