There are three main categories of allergies that we encounter: Respiratory, Food, and Contact Allergens.
Respiratory Allergens: The respiratory allergens usually are pollen, mold, cat dander, dog dander, etc. These allergens usually cause sneezing, runny nose, itchy nose, watery eyes, etc.
Food Allergens: The food allergens that are investigated are wheat, chicken, beef, shellfish, etc. These allergens usually cause symptoms such as rashes, fatigue, abdominal pain, and bowel changes.
Contact Allergens: The contact allergens are found in our environment, including soap, shampoo, skin care products, detergents, etc. They may cause many different types of rashes.