It is easy to see the results of bronchodilators, since they offer quick relief of symptoms. The most effective bronchodilators today are the B2-agonists. They work selectively on the B2 receptors in the muscles that surround the bronchial tubes. When these muscles tighten, the airway is narrowed and asthma symptoms occur. B2-agonists allow the muscles to relax, opening the airways and improving breathing.
Brands differ in potency, onset of action, and peak time.
The most common anti-inflammatory medications are Intal, inhaled corticosteroids and leukotriene inhibitors. Intal, or cromolyn sodium, is the drug of choice for children due to its very low incidence of side effects. Inhaled corticosteroids have been shown to be very effective for adults. Inhaled corticosteroids are not the same as anabolic steroids. Taking the inhaled corticosteroids every other day instead of every day decreases the risk.