A patient with COPD uses a rescue inhaler frequently. What is a red flag requiring medical attention?

• A. Frequent use of a rescue inhaler more than twice weekly indicates poor control and needs evaluation.
• B. Using a rescue inhaler more than once a day is always normal in COPD.
• C. A rescue inhaler should be used only during hospitalization.
• D. Daily long-acting inhaler use replaces rescue inhaler.

Answer: (A)

Frequent need for a rescue inhaler signals inadequate symptom control in COPD. The rescue inhaler (a quick-relief bronchodilator) should be used only to relieve sudden symptoms. If a patient relies on it more than twice per week, it means symptoms are persisting or worsening between doses, indicating that maintenance therapy may be insufficient or that there are issues with inhaler technique, adherence, or trigger exposure. This prompts a clinical check: review how well the current maintenance plan is working, ensure the inhaler is used correctly, confirm adherence, evaluate for possible exacerbations or comorbidities, and consider adjusting therapy or adding pulmonary rehab and lifestyle changes.

Choosing the other statements would not fit because: using a rescue inhaler more than once a day is not considered normal and still reflects poor control; the inhaler is not reserved only for hospitalization but for at-home relief; and maintenance therapy does not replace the need for a rescue inhaler—rescue medication is used in addition to daily maintenance to manage symptoms.