Epiphora

**Semantic type:** Finding

**Definition:** Excessive tearing of the eyes due to either tear overproduction or impaired drainage of the tear ducts. Causes of tear overproduction include eye irritation (e.g., eye infection, foreign body in the eye), headache, pain reaction, allergies, sinusitis, and injury to the eye.

**Synonyms:** - Excessive Tear Production - Excessive Tearing - Watering Eyes - Watering Eyes - Watering eyes