Whether its dust, pollens, or different kinds of food, many Americans today are susceptible to having an allergy. An allergy is a reaction of the immune system to certain types of substances, which are called allergens.
When the person with an allergy, for example animal dander, comes in contact with the allergen, his body will experience different types of reaction. Depending on the type of allergy, the person can experience rashes, difficulty in breathing, sneezing, runny nose, watery eyes or involuntary bowel movement. In the most extreme cases of allergy attacks, the person can suffer an anaphylactic shock and can cause death.
What are the symptoms of an allergy?
Allergy attacks vary in symptom and degree.
Mild allergy symptoms can usually be seen on a specific area and do not spread on different parts of the body. This is indicated by a rash, itchiness, watery eyes, uncontrollable sneezing, or swelling in the affected area.
Moderate symptoms include allergic reactions that spread to the entire body. This is manifested by itchiness, numbness, involuntary bowel movement or difficulty in breathing.
A severe allergic reaction is...