Chapter 14 Asthma
INTRODUCTION
Description: Asthma is an intermittent or chronic obstructive tracheobronchial condition characterized by wheezing or cough. Adult-onset asthma is more common in women and poses potential problems during pregnancy.
ETIOLOGY AND PATHOGENESIS
Causes: Allergic factors (airborne pollens, molds, house dust, animal dander, feather pillows; a 2004 study showed that 71% had more than one allergy and 42% had more than three allergies), smoke or pollutants, viral upper-respiratory infections, aspirin or nonsteroidal antiinflammatory agents, exercise, gastrointestinal reflux.
