Causes of a tickle in the throat can include viral infections, allergies, acid reflux, or environmental exposures like smoke. For some itchy throats, such as vocal strain, over-the-counter products ...
Phlegm is a form of respiratory mucus produced by the lungs. The airways between the larynx and the respiratory bronchioles are lined by columnar epithelium over which an airway surface liquid (ASL) ...
Worried about phlegm in vomit? Learn the common causes, simple home remedies, and when you should see a doctor.
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