(HealthDay News) -- Frequent coughing is a sign of an illness, allergen or exposure to something that's irritating your lungs.
Here are suggestions to help tame the hacking, courtesy of the U.S. National Heart Lung and Blood Institute:
What You Need to Know About Coronavirus If You Have Asthma
How the Saharan Dust Plume Could Make Your Allergies Worse
Penicillin Allergy Less Common Than Thought: Study
