A member asked:

Please tell me, could you suddenly become allergic to cats despite having them as pets their whole life?

A doctor has provided 1 answer

YES,but: A person can become allergic to anything at some time in their lifetime.That's how the system works. You are not born allergic to much if anything,but repeated exposures may set the immune system in motion to react. You may also be associating the "cats" idea with some other issue, like something they got into or were bathed in.

Answered 11/27/2014

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