How to stop a post-nasal drip cough quickly

Nasal mucus sliding into the throat can stimulate a cough reflex. Dry air, allergy-related inflammation, a Common Cold or irritation from Acid Reflux may add to the tickle. A cough can therefore continue even after you clear your throat. Its pattern, accompanying symptoms and duration help a clinician distinguish post-nasal drip from conditions such as Asthma or Acute Bronchitis.

Sit upright, take small sips of water and breathe gently through the nose if comfortable. Saline spray or a saline rinse can loosen nasal secretions; use safe, prepared water for rinsing. Avoid smoke, strong scents and cold dry air if they trigger coughing. Rest your voice and do not repeatedly force a throat clear. A pharmacist can explain whether an allergy treatment is appropriate for you.

Seek emergency help for severe breathlessness, chest pain, blue or grey lips, confusion or coughing blood. Arrange prompt review for wheezing, high fever, dehydration, facial swelling, difficulty swallowing or a cough that is worsening. A cough that continues or repeatedly returns may need assessment for Chronic Cough, Bronchiectasis or another cause.

Does mucus appear to be driving the cough? Could allergy, reflux or asthma contribute? Which nasal treatment is safe with my medicines? What changes mean I should seek urgent care?