Medicine

A 31-year-old woman is evaluated because of daily wheezing and breathlessness that limit her activities…

A 31-year-old woman is evaluated because of daily wheezing and breathlessness that limit her activities several times a week. Medical history is otherwise unremarkable. She has never smoked. She is diagnosed with moderate persistent asthma. In addition to a short-acting 32-agonist, which of the following is the most appropriate treatment?

  1. A Add a low-dose inhaled corticosteroid and long-acting B2-agonist Correct answer
  2. B Add a low-dose inhaled corticosteroid
  3. C Add a leukotriene antagonist
  4. D Add thiophylline

Explanation

Core Concept: Moderate persistent asthma requires combination controller therapy to reduce underlying airway inflammation and provide long-lasting bronchodilation, preventing exacerbations and daily symptoms.

Clinical Presentation:

  • Daily symptoms, nighttime awakenings >1x/week, and limitation of normal activities.

Diagnosis:

  • First-line tool: Spirometry showing reversible airflow obstruction.
  • Gold standard: Clinical classification based on symptom frequency and lung function impairment.

Management:

  • Acute: SABA for quick relief of bronchospasm.
  • Long-term/Definitive: The combination of an inhaled corticosteroid (ICS) and a long-acting beta-2 agonist (LABA) is the gold standard step-up therapy for moderate persistent asthma to achieve optimal symptom control.

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