Drugs and the respiratory system

Drugs and the respiratory system

The respiratory system, extending from the nose to the pulmonary capillaries, performs the essential function of gas exchange be-tween the body and its environment. In other words, it takes in oxygen and expels carbon dioxide.

Breathe easy

Drugs used to improve respiratory symptoms are available in in-halation and systemic formulations. These drugs include:

§    beta₂-adrenergic agonists

§    anticholinergics

§    corticosteroids

§    leukotriene modifiers

§    mast cell stabilizers

§    methylxanthines

§    monoclonal antibodies

§    expectorants

§    antitussives

§    mucolytics

§    decongestants.