rhinorrhea – MySymptom

Nasal Discharge (Rhinorrhea): Causes, Symptoms, and Treatment

1. Introduction to Rhinorrhea Nasal discharge, clinically termed rhinorrhea, is an exceedingly common symptom characterized by the excessive drainage of fluid from the nasal cavity. While it is universally experienced as a primary feature of the common cold, rhinorrhea is a non-specific clinical sign that represents the respiratory system defensive and physiological response to a … Read more

What causes constant sneezing and a runny nose?

1. Introduction Constant sneezing and a runny nose are primarily caused by allergic rhinitis, viral upper respiratory infections, or non-allergic vasomotor rhinitis. The nasal mucosa becomes actively inflamed in response to airborne allergens or pathogens, triggering the release of histamine and inflammatory cytokines, which drastically increase mucus production and stimulate the neurological sneeze reflex. Differentiating … Read more