Inflammation of the nose (rhinitis) is a common cause of runny nose. Other common causes include the common cold (viral respiratory infection), influenza (flu), and sinusitis (inflammation or infection of the sinuses). Inserting objects into your nose can also produce a runny nose.
A: Under the FMLA rule, an employer must provide leave under whichever statutory provision provides the greater rights to employees.34 For examples of how this principle is applied, see the FMLA rule at  825.702(b)-(e).
However, once an employer offers or provides health benefits -- including medical, disability, dental, and life insurance -- federal anti-discrimination laws and health plan enforcement regulations act to protect an employee's rights under those health plans.