Complications If a person … The fluid is mucus that is thin or thick, clear or opaque, and can be intermittent or constant. The liquid in CSF rhinorrhea is thin and clear, and an affected person might notice a sweet or salty taste due to the increased glucose and electrolytes present in cerebrospinal fluid. A chronic runny nose is more than an annoyance. , an ear, nose … Rhinorrhea, or a runny nose, happens when excess fluid drains from the nose. Once you stop using a nasal spray, nasal symptoms may improve within a few days or … What causes rhinorrhea? Just about everyone has experienced a runny nose at some point. The most common reasons for a nose leaking clear fluid are allergies and infections like cold and influenza. Another reason for a constant runny nose is vasomotor rhinitis, where no apparent cause is present for a constant runny nose. It can significantly affect your quality of life. “People with a chronic runny nose are forced to keep tissues on themselves at all times to prevent mucus from running down their face,” says John Craig, M.D. Using a nasal spray in the long term can lead to chronic sinus infections, which can trigger a runny nose. For example, a runny nose may only last a short time in some people and may be constant … Nasal polyps, migraine headaches, foreign bodies and very rarely some tumours can lead to a leaking nose. This symptom can have many different causes and characteristics. The nose and sinuses normally produce mucus which keeps the nose …