by Internet Medical Society
Some people are hypersensitive to external elements, which causes their immune system to react allergic if any foreign elements, such as animal dander or pollination, come into contact with the ear. This allergic reaction can cause problems like ear pain, swelling or itching. Allergies increase the discomfort caused by other causes of ear pain. Because, swelling or pain can negatively affect air pressure, infection, or hearing. Because of which your ear pain can be unbearable.