This article provides basic information about allergic reactions. This information is only for guidance; individuals not trained in medical care should always consult a licensed doctor with questions.

An allergic reaction happens when something that a person is allergic or sensitive to is:

• Breathed
• Eaten
• Injected
• Touches the skin

Allergic reactions can be mild or very serious (life threatening) and include:

• Itching rashes, lumpy patches, or hives
• Runny nose and itching or burning eyes
• Irritation in the throat, difficulty breathing, or asthma
• Allergic shock

Common causes of allergic reactions include:

• Pollen
• Feathers or hair from animals
• Dust
• Mold
• Food
• Insect stings or bites
• Latex

Call help if...

The person has any of the following symptoms:

• Swollen throat or swollen areas of the body
• Wheezing (breathing that sounds like whistling from the chest)
• Passing out
• Chest tightness
• Trouble breathing
• A hoarse voice
• Trouble swallowing
• A pale or red color to the face and body

An allergic reaction can be life threatening. Do not wait. Call 911!