You'd do well to avoid skin-care products that contain these common allergens.

We'll take a look at five of the most common allergens in soaps that cause dermatitis.

But neither this nor any other thistle shows up on standard lists of common allergens.

Read more about common allergens and how to prevent these from triggering your asthma symptoms.

Other, less common allergens are wheat, soy and nuts.

Animal dander and saliva are common allergens for many people.

The problem starts with dander, one of the most stubborn and common allergens.

Another common allergen, mold, is usually found in damp areas such as bathrooms and basements.

Such immune systems are more sensitive to the common allergens.

The most common allergens enter the body through the airway.