What Causes Your Nose to Run?

March 21, 2024 | by Yashaswi Pathakamuri | Posted in FAQ's

Runny nose

A runny nose, also known as rhinorrhea, can be caused by various factors, including:

  • Viral Infections: The common cold and flu are common viral infections that can cause a runny nose. Other viral respiratory infections, such as respiratory syncytial virus (RSV) or adenovirus, can also lead to rhinorrhea.
  • Allergies: Allergic rhinitis, commonly known as hay fever, occurs when the immune system overreacts to allergens such as pollen, dust mites, pet dander, or mold spores. This allergic reaction can cause a runny or stuffy nose, sneezing, and itching.
  • Sinusitis: Inflammation or infection of the sinuses, often triggered by a cold, allergy, or bacterial infection, can cause nasal congestion, discharge, and a runny nose.
  • Environmental Irritants: Exposure to irritants such as smoke, pollution, strong odors, or chemicals can irritate the nasal passages and trigger rhinorrhea.
  • Weather Changes: Changes in weather, such as cold temperatures or low humidity, can irritate the nasal passages and lead to a runny nose.
  • Spicy Foods: Eating spicy foods can sometimes trigger a runny nose due to the release of histamine, which can cause nasal congestion and discharge.
  • Medications: Certain medications, such as nasal decongestant sprays (if used for more than a few days), blood pressure medications, and some antidepressants, can cause a runny nose as a side effect.
  • Emotional Factors: Strong emotions such as stress, anxiety, or excitement can sometimes trigger a runny nose due to the release of stress hormones.
  • Cold Air or Cold Foods: Exposure to cold air or consuming cold foods and beverages can cause nasal passages to constrict and then rapidly expand, leading to rhinorrhea.
  • Hormonal Changes: Hormonal fluctuations during pregnancy, menstruation, or menopause can sometimes cause a runny nose.

If you have a persistent or severe runny nose that is interfering with your daily activities or accompanied by other symptoms such as fever, facial pain, or bloody discharge, it’s essential to consult with a healthcare professional for proper evaluation and treatment.

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