Colorado State University Extension

Allergies and Intolerances

An allergic reaction to a particular food can range from uncomfortable to life-threatening. Learn more about allergy-causing foods and how to maintain a healthy diet when certain foods or food groups are eliminated.

Sliced apple stacked on top of itself.

Allergen-Free Packed Lunch Ideas

Tea on wood table with pretzels and dried oranges on the side.

Holiday Food Safety with Food Allergies

Brown cow in a field looking at camera.

Lactose Intolerance

Pile of peanuts with one peanut broken open.

Peanut Allergy

Various types of shellfish on a plate.

Shellfish Allergy

lue colored cocktail with olives on a wooden table next to a pool

Sulfite Allergy

pistachios growing on a tree.

Tree Nut Allergy