Pet Allergy

Allergic Disorders

List of Allergic Disorders • Hay fever (seasonal allergic rhinitis)  — meaning inflammation in the nose — is produced when IgE antibodies made by the immune system activate mast cells, causing symptoms in the upper respiratory tract. It’s triggered by specific pollens from grasses, weeds or trees appearing in spring, summer or fall. Each pollen-producing […]

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Historical Perspective of Allergy

The Historical Perspective of allergies. Adverse reactions to wasp stings and certain foods were among the first allergies reported. In the fourth century B.C. the Greek physician Hippocrates observed that milk made some people sick to their stomachs and gave them red skin weals. A few other foods — such as shellfish and nuts —

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Causes of Allergy

Causes of Allergy – Allergy Reactions Follow Repeated Exposure An allergic reaction is brought on by exposure to specific foreign substances, or allergens, mostly proteins, or small molecules attached to proteins — that sensitize the body’s immune system so that it reacts to normally harmless substances as though they were dangerous intruders. Contrary to popular

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