Added: Dec 15, 2008
This animated video shows you the common allergens, how they cause a reaction in your body, and how the treatment for allergies works. Common allergens are pollen, animal dander, down feathers, mites, chemicals, and foods. Antihistamines can block the symptoms of allergy such as coughing, sneezing, runny nose, and watery eyes.
Join VideoMD for a free account, or Login if you are already a member.