Allergies occur when the immune system responds to a substance. Common examples include dust allergies, pollen allergies (causing hay fever and respiratory allergies) and food allergies. But there are many other types of allergy. An allergic reaction can be dangerous ...

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Misdiagnosis: Allergies

Allergies can be undiagnosed or in some cases can be misdiagnosed as another disorder. Undiagnosed Allergies: Not everyone is aware ...

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