Runny nose, inflammation of the mucous membranes of the nose. Can occur at work if you are allergic to something in your working environment or are exposed to irritants. Non-allergic rhinitis is the most common form.

Hypersensitivity reactions in the nose with sneezing, watery discharge and nasal congestion. Divided into allergic rhinitis (e.g. hay fever from a pollen allergy) and non-allergic rhinitis (no allergy or infection evident, also known as vasomotor rhinitis).