Allergic reactions

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Allergic reactions	Allergic reactions	Dermatographism - arm	Dermatographism - close-up
Dermatographism on the arm	Dermatographism on the back	Hives (urticaria) - close-up	Hives (urticaria) on the arm
Hives (urticaria) on the chest	Hives (urticaria) on the trunk

Common symptoms of mild allergic reactions include:

• Rashes
• Hives (especially over the neck and face)
• Itching
• Nasal congestion
• Watery, red eyes

Symptoms that may indicate a moderate or severe reaction include:

• Swelling of the face, eyes, or tongue
• Difficulty swallowing
• Wheezing
• Fear or feeling of apprehension or anxiety
• Abdominal cramps or abdominal pain
• Nausea and vomiting
• Weakness
• Dizziness or light-headedness
• Chest discomfort or tightness
• Difficulty breathing
• Unconsciousness

Review Date: 05/03/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.