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Causes of a Runny Nose
Runny nose, which is also called rhinorrhea or rhinitis, may occur by itself or in combination with other symptoms such as sneezing and congestion, and usually goes away without medical treatment. You may develop a runny nose at any time, and having a... More »
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en.wikipedia.org/wiki/Rhinorrhea

Rhinorrhea or rhinorrhoea is a condition where the nasal cavity is filled with a significant amount of mucus fluid. The condition, commonly known as a runny nose, occurs relatively frequently ... Excess mucus accumulating in the throat or back of the nose may cause a post-nasal drip, resulting in a sore throat or coughing.

www.mayoclinic.org/symptoms/runny-nose/basics/causes/sym-20050640

Runny nose can be caused by anything that irritates or inflames the nasal tissues . Infections — such as the common cold and influenza — allergies and various ...

www.medicinenet.com/runny_nose/symptoms.htm

Mar 8, 2017 ... Get the facts on the causes of a runny nose, and learn about medications used in treatment. Pinpoint your symptoms and signs with ...

health.howstuffworks.com/diseases-conditions/cold-flu/10-reasons-runny-nose.htm

What are some of the reasons you have a runny nose? Learn how to determine the reason you have a runny nose to keep your family healthy.

www.webmd.com/allergies/postnasal-drip

Aug 11, 2016 ... What are the causes, symptoms, and treatments of postnasal drip. ... The excess can come out of the nostrils -- that's a runny nose. When the ...

www.rd.com/health/conditions/runny-nose

If you can't stop reaching for the tissues, one of these causes might be behind your runny nose.

www.popsci.com/why-does-your-nose-run-when-youre-sick

Jan 27, 2016 ... Decongestant medicine, tissues, and runny noses close in on all sides. ... It traps disease-causing bacteria and viruses that might infect you if ...

biology.stackexchange.com/questions/1573/what-causes-a-stuffy-or-runny-nose-when-you-have-a-cold

Mar 26, 2012 ... There are different causes and mechanisms behind runny and stuffy nose. I cover them separately below. Runny nose. My professor of ...

www.everydayhealth.com/healthy-living/why-does-your-nose-run-when-its-cold.aspx

Dec 19, 2011 ... Kidding aside, there are many reasons we get runny noses — technically known as rhinorrhea. When you have a cold or the flu, the mucous ...