Sometimes a cough is just a cough. But if it sticks around for a while, it might be a sign of something more serious. What to know:
American Cancer Society: “Can Non-Small Cell Lung Cancer Be Found Early?”American Lung Association: “Pneumonia,” “Chronic Bronchitis.”
Asthma and Allergy Foundation of America: “Asthma,” “What Are the Symptoms of Asthma?” “What Causes or Triggers Asthma?”“Habit Cough, Tic Cough, and Psychogenic Cough in Adult and Pediatric Populations.”HHS National Vaccine Program Office: “Whooping Cough .”LungCancer.org:"Lung Cancer 101."Nemours Foundation: “Whooping Cough .”UpToDate: “Patient education: Heart failure ,” “Patient education: Chronic cough in adults .
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