Allergy

An allergy is an exaggerated response from your immune system to a normally harmless substance. Common allergens (the name given to these trigger substances) include pollen, mold, dust mites, pet dander, food and chemicals. Allergies affect about one out of every five Americans. What Causes Allergies? Your immune system is your body’s first line of…

Allergy symptoms differ depending on the type of allergy. Allergy symptoms typically involve the airways, sinuses, nasal passages and skin. They can range from mild to severe. What Are the Symptoms of Anaphylaxis? Some patients may develop anaphylaxis, a potentially fatal reaction that causes swelling in the throat and breathing difficulties. Symptoms may develop within…

There are countless types of allergies; each type has its own set of symptoms, which can range from mild to life threatening. Seasonal Allergies Allergies fall under two categories: seasonal and perennial. The latter occurs year-round, while seasonal allergies appear during specific times of the year, generally during spring when trees and flowers bloom. They…

What are allergies? Allergies are your immune system’s exaggerated response to a substance that is deemed a threat but is actually harmless. When this substance is inhaled, swallowed or comes into contact with your skin, your immune system defends your body by releasing chemicals that attack the invader. These chemicals cause unpleasant symptoms such as…