Allergies

Allergies are hypersensitive responses from the immune system to substances that either enter or come into contact with the body. 

Peanut Allergy

What is a peanut allergy? A peanut allergy is a reaction that occurs when your body mistakenly identifies peanuts as harmful substances. When you eat peanuts or food containing peanuts, your immune system —the body’s natural defense system that fights infections and diseases—overreacts and can cause a serious, even…

Penicillin Allergy

What is penicillin allergy? A penicillin allergy is an allergic reaction that occurs when your body’s immune system overreacts to penicillin antibiotics. What are the symptoms of penicillin allergy? Common allergic reactions to penicillin include rashes, hives, itchy eyes, and swollen lips, tongue, or face. In rare…

Phototherapy for Atopic Dermatitis

Phototherapy is the supervised use of ultraviolet (UV) light to treat skin conditions, including atopic dermatitis. Ultraviolet B (UVB), ultraviolet A (UVA), or a combination of UVB and UVA may be used during therapy. During phototherapy, you stand in a booth that contains light tubes that give off UV light. Goggles…

Poison Ivy, Oak, or Sumac

Discusses rash (also called contact dermatitis) caused by touching poison ivy, poison oak, and poison sumac. Covers risks. Offers home treatment and prevention tips. Covers medicines to relieve symptoms.

Preventing Bee Stings

To prevent stings from bees, wasps, yellow jackets, and hornets: Avoid flowering plants, gardens, and trees with ripe fruit, where bees spend their time. Do not use perfumes, scented soaps, or suntan lotion. Do not wear bright colors, flowered prints, or rough-textured fabrics (such as wool), all of which attract bees…