Bird allergies can trigger a number of related allergic or respiratory conditions. These include:

• Allergic rhinitis. Inflammation of the mucous membrane lining the nose caused by an allergic reaction to pollen, dust or another airborne substance.
  
  

  
  

• Allergic sinusitis. Inflammation of the lining of the sinus cavities due to an allergic reaction.
  
  

  

• Allergic conjunctivitis. Inflammation of the conjunctiva (tissue lining the inside of the eyelid) due to an allergic reaction.
  
  

  

• Asthma. Chronic inflammation of the airways that causes shortness of breath and breathing problems.
  
  

  

• Egg allergies. One of the eight most common food allergies. People with bird allergies are often also sensitized to consumed egg products.