Allergy Center

En Español (Spanish Version)

General Overview

An allergy is the body's hypersensitivity to substances in the environment. Mold, dust, pollen, pet dander, and even some foods can cause allergic reactions.

Read more about:

• Allergic contact dermatitis
• Food allergies
• Insect allergies
• Seasonal allergies

Diagnostic and Surgical Procedures

• Allergy testing
• Allergy shots

InDepth: Allergic Rhinitis

Find answers in our in-depth report on allergic rhinitis:

• What is allergic rhinitis?
• What are the risk factors?
• What are the symptoms?
• How is it diagnosed?
• How is it treated?
• What are the screening tests?
• How can I reduce my risk?
• What should I ask my healthcare provider about allergic rhinitis?

Living With Allergies

Healthy traveling with allergies

While you cannot allergy-proof your vacation, you can take steps to minimize the effects allergies might have on your vacation. Read here to find out how.

Preventing Allergies

Pets and your child’s allergies

Does being around pets at a young age increase a child’s risk of developing allergies and asthma? Read here to find out what the research says.

Special Topics

Food allergy—it's nothing to sneeze at

What is a food allergy and what are your treatment options if you have one?

Preventing food allergies in infants and children

With all the buzz about food allergies, you may be wondering how you can protect your child. Learn the basics about food allergies and if there is anything you can do to keep your child allergy-free.

Treating latex allergy

A latex allergy occurs when the body’s immune system reacts to proteins found in the natural rubber latex. Read here to find out more.

Related Conditions

• Asthma
• Insect bites and stings
• Sinusitis

Natural and Alternative Treatments (By Condition)

• Allergies, respiratory
• Food allergies and sensitivities