What Causes Postnasal Drip?

Even when you’re feeling healthy and well, your nose, throat, and sinuses are always producing mucus to help keep your airways from drying out. But what happens when your body begins making too much mucus?

Causes of Postnasal Drip


An allergic reaction can take many shapes, from mild skin irritation to difficulty breathing. If coming in contact causes you to produce excess mucus, you likely have what’s called allergic postnasal drip.

A Cold

Appropriately named the common cold, most of us will catch at least one cold a year. Caused by the rhinovirus, colds often cause a sore throat, runny nose, and congestion.

A Sinus Infection

A sinus infection, also known as sinusitis, is a condition that causes your sinuses (the cavities beside and above your nasal passage) to become inflamed. Several things, including a cold, structural deformity, nasal polyps, and blocked ducts can all cause a sinus infection.

Finding Relief

While excess mucus in your throat may not be particularly dangerous, it can be uncomfortable and even downright annoying.

If you feel congested due to postnasal drip, consider:

  • Using a neti pot to naturally clear out your sinuses.
  • Taking a hot shower. Steam is also a natural decongestant.
  • Drinking plenty of water.
  • Using a saline nasal spray
  • Talking to your doctor about immunotherapy for lasting relief from sinus infections.

Schedule your same-day appointment with Center for Allergy and Asthma of Georgia today! Our team of board-certified allergy specialists will discuss your options and recommend an appropriate course of treatment. Contact us at (404) 994-3574 or visit us online to book your appointment.

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