Allergies - Symptoms & Types

Learn the types of allergies including food allergies, seasonal allergies, pet allergies, and many more.

Respiratory Allergies

Spring Allergies
There's no cure but you can take steps to curb springtime allergies, from medication to household habits.

Summer Allergies
Summer allergies are usually triggered by pollen from grasses and weeds.

Fall Allergies
Ragweed, mold and dust mites are the biggest allergy triggers in the fall.

Winter Allergies
If you have indoor allergies such as mold and dust mites, you may notice symptoms more during winter, when you spend more time inside.

Pollen Allergies
More than 25 million Americans are allergic to pollen from trees, grass, or weeds.

Mold Allergy
All of us are exposed to some mold every day, and usually, there are no problems. But if you have allergies to it, you can have a reaction if you’re around too much of it

Dust Allergy
For creatures you can't even see, dust mites can stir up a lot of trouble.

Dog Allergy
For a person with dog allergies, life in a dog-loving country isn't easy. Approximately 37%-47% of American households have a dog.

Cat Allergy
About 10% of the U.S. population has pet allergies and cats are among the most common culprits. Cat allergies are twice as common as dog allergies.