AllRefer Health - Dermatographism - Close-Up - Allergic Reactions: Pictures & Images

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You are here : AllRefer.com > Health > Injuries & Wounds > Allergic Reactions > Pictures & Images: Dermatographism - Close-Up

Allergic Reactions

Pictures & Images

Dermatographism - Close-Up

Dermatographism is a condition where lightly scratching the skin raises wheals or welts. Histamine is released, which causes the small blood vessels (capillaries) to dilate, producing redness and localized swelling.

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• Definition
• Allergic Reactions: Overview & Considerations
• Allergic Reactions: Causes
• Allergic Reactions: Symptoms & Signs
• Allergic Reactions: Prevention
• Allergic Reactions: First Aid
• Allergic Reactions: Do Not
• Call Immediately for Emergency Medical Assistance if
• Pictures & Images

Main Page of Allergic Reactions

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