Runny Nose - Causes, Conditions & When to See a Doctor
A runny nose (rhinorrhea) is excess drainage of mucus from the nose, which can be clear, white, yellow, or green.
Overview
A runny nose is one of the most common symptoms people experience. It is usually caused by viral infections (common cold) or allergies. While typically harmless, a persistent or one-sided runny nose may indicate other conditions.
Conditions That Cause Runny Nose
Runny Nose can be associated with several medical conditions. Understanding the underlying cause is important for proper treatment.
Allergic Rhinitis
Common causeAllergic rhinitis (hay fever) is an allergic response causing sneezing, congestion, itchy nose, and runny nose when you breathe in allergens like pollen, dust, or pet dander.
Sinusitis
Common causeSinusitis is inflammation or swelling of the tissue lining the sinuses, causing nasal congestion, facial pain, and thick nasal discharge.
When to See a Doctor for Runny Nose
See a doctor if runny nose persists for more than 10 days, produces green/yellow discharge with fever, is one-sided, follows a head injury (may indicate CSF leak), or is accompanied by facial pain and headache.
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Related Symptoms
People experiencing runny nose may also notice these symptoms:
Medical Disclaimer
The content provided on Zospital is for general informational and educational purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. If you think you may have a medical emergency, call your doctor or emergency services immediately.