<unk>  or<unk>  is the free discharge of a thin nasal mucus fluid. The condition, commonly known as a runny nose, occurs relatively frequently.<unk>  is a common symptom of allergies (hay fever) or certain viral infections, such as the common cold or COVID-19. It can be a side effect of crying, exposure to cold temperatures, cocaine abuse, or withdrawal, such as from opioids like methadone. Treatment for<unk>  is not usually necessary, but there are a number of medical treatments and preventive techniques available. The term was coined in 1866 and is a combination of the Greek terms rhino- ("of the nose") and -rhoia ("discharge" or "flow").
Rhinorrhea
Cerebrospinal fluid rhinorrhoea
Creatorrhea
Logorrhea 
Leukorrhea
Gonorrhea
Blennorrhea
Aerobic vaginitis