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What causes postnasal drip?

ANSWER

It has many possible causes, including:

  • Colds
  • Flu
  • Allergies
  • Sinus infection or sinusitis
  • Object stuck in the nose (most common in children)
  • Pregnancy
  • Certain medications
  • Deviated septum
  • Changing weather, cold temperatures, or really dry air
  • Certain foods
  • Fumes from chemicals, perfumes, cleaning products, smoke, or other irritants
  • Swallowing problems
  • Age
  • GERD

SOURCES:

American Academy of Otolaryngology -- Head and Neck Surgery: "Post-Nasal Drip."

Chao, T. The Journal of Laryngology & Otology, 2008.

St. John Providence Health System: "Postnasal Drip."

Mason R. Murray & Nadel's Textbook of Respiratory Medicine, 4th ed., 2005.

Chung, K. The Lancet, April 2008.

Pratter, M. Chest, January 2006.

 

 

Reviewed by Jennifer Robinson on June 22, 2020

SOURCES:

American Academy of Otolaryngology -- Head and Neck Surgery: "Post-Nasal Drip."

Chao, T. The Journal of Laryngology & Otology, 2008.

St. John Providence Health System: "Postnasal Drip."

Mason R. Murray & Nadel's Textbook of Respiratory Medicine, 4th ed., 2005.

Chung, K. The Lancet, April 2008.

Pratter, M. Chest, January 2006.

 

 

Reviewed by Jennifer Robinson on June 22, 2020

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What else can cause postnasal drip?

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