A runny nose is a common symptom that can be caused by various factors.

What Causes a Runny Nose?

• Allergies: Pollen, dust, pet dander, and other allergens can trigger a runny nose.
• Infections: Viral infections like the common cold or flu are common causes.
• Sinusitis: Inflammation of the nasal sinuses can lead to excess mucus production.
• Weather Changes: Cold air can dry and irritate nasal passages.
• Smoking: Cigarette smoke can irritate the nasal linings.
• Strong Odors: Perfumes, cleaners, and other strong scents can irritate the nose.
• Medication Side Effects: Certain medications can lead to nasal congestion and runniness.

How to Stop a Runny Nose?

• Over-the-Counter Antihistamines: Medications can alleviate allergic symptoms.
• Decongestants: Help reduce nasal swelling and congestion.
• Stay Hydrated: Drinking fluids can thin mucus.
• Saline Nasal Sprays: Moisturize the nasal passages.
• Humidifiers: Adding moisture to the air can help soothe irritations.
• Avoiding Triggers: Stay away from known allergens or irritants.
• Consult a Doctor: Persistent issues may require professional advice.

Flow Chart of Causes of a Runny Nose:

Causes of Runny Nose -> Allergies -> Infections -> Sinusitis -> Weather Changes -> Smoking -> Strong Odors -> Medication Side Effects

Statistics on Runny Nose Incidence:

Mind Map of Treatments for Runny Nose:

Treatments: Antihistamines -> Decongestants -> Moisturizers -> Lifestyle Changes -> Medical Consultation