Postnasal Drip
Mucus that drips down the back of the throat from the nose, which can cause coughing and a sore throat.
Conditions associated with postnasal drip
The following conditions have been associated with postnasal drip in medical literature. This is informational and not a diagnosis.
Allergic Rhinitis
Inflammation of the nasal passages due to allergens such as pollen, dust mites, or pet dander, causing sneezin...
Chronic Cough
A cough lasting more than 8 weeks in adults, which can result from many underlying causes....
Chronic Sinusitis
Inflammation of the sinuses lasting more than 12 weeks, causing nasal congestion, facial pressure, and postnas...
Laryngitis
Inflammation of the voice box causing hoarseness and loss of voice, usually viral....
Sinus Infection
Inflammation of the sinuses, often viral or bacterial, causing facial pressure, congestion, and headache....
Tests providers may use to investigate postnasal drip
When investigating postnasal drip, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Immunoglobulin E (IgE)
Measures total IgE and can help evaluate allergic conditions....
Symptoms commonly seen alongside postnasal drip
Facial Pain
Pain in the face, which can be caused by sinus, dental, nerve, or other conditions....
Facial Pressure
A feeling of pressure in the face, which is common in sinus conditions....
Reduced Sense of Smell
A decreased ability to smell, which can be related to nasal conditions, infections, or neurological conditions...
Sneezing
Sudden, forceful expulsion of air from the nose and mouth, common in allergies and colds....
Sore Throat
Pain, scratchiness, or irritation of the throat that often worsens when swallowing, commonly caused by viral o...
Watery Eyes
Excessive tearing, which can be caused by allergies, irritation, or blocked tear ducts....
When to seek care
Seek care from a qualified healthcare provider if postnasal drip is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom postnasal drip mean?
Postnasal Drip is a health sign or symptom described in medical literature. Mucus that drips down the back of the throat from the nose, which can cause coughing and a sore throat.
Which conditions are associated with postnasal drip?
Postnasal Drip has been reported in association with 5 conditions in the medical literature we index, including Allergic Rhinitis, Chronic Cough, Chronic Sinusitis, Laryngitis, Sinus Infection. These associations do not mean you have any of these conditions.
Should I see a doctor about postnasal drip?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.