Sneezing and Runny Nose
Sneezing and runny nose are often the initial signs of a barnyard grass allergy, caused by inhaling the grass pollen, which triggers histamine production in the body, leading to these symptoms.
Itchy, Red, and Watery Eyes
These symptoms are often due to allergic conjunctivitis, an inflammation of the thin layer of tissue that lines the inside of the eyelid due to the allergenic grass pollen.
Sinus Pressure and Pain
Sinus pressure and pain can occur when allergens like barnyard grass pollen cause inflammation in the nasal cavities, interfering with drainage and causing the feeling of pressure.
Shortness of Breath or Wheezing
This typically happens when the allergen enters the respiratory tract causing an allergic reaction, and subsequently asthma symptoms such as wheezing or difficulty breathing.
Itchy Skin or Hives
Exposure to barnyard grass can cause skin irritation leading to itching, rash or hives. It's a result of the immune system's response to the grass allergen.
Swelling
Swelling of the face, lips, tongue or throat might happen in severe allergic reactions to barnyard grass. It's due to the body releasing chemicals in reaction to the perceived threat of the allergen.
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