Rhinorrhea (American English), also spelled rhinorrhoea or rhinorrhœa (British English), or informally, runny nose, is the free discharge of a thin mucus fluid from the nose; it is an extremely common condition. It is a common symptom of allergies (hay fever) or certain viral infections, such as the common cold or COVID-19.
Rhinorrhea (American English), also spelled rhinorrhoea or rhinorrhœa (British English), or informally, runny nose, is the free discharge of a thin mucus fluid from the nose; it is an extremely common condition. It is a common symptom of allergies (hay fever) or certain viral infections, such as the common cold or COVID-19.
Source: Wikipedia "Rhinorrhea" · CC BY-SA 4.0
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