Dermatographia

ARTICLE SECTIONS

Introduction Signs and symptoms Causes Risk factors When to seek medical advice

Screening and diagnosis Complications Treatment Prevention

Introduction

Dermatographia is a condition in which lightly scratching your skin causes raised, red lines where you've scratched. It's not serious, but it can be uncomfortable. In dermatographia, the skin cells are overly sensitive to minor injury, such as scratching. Signs and symptoms of dermatographia include redness, itching and swelling similar to hives.

In most cases, dermatographia symptoms go away in a short time and don't require treatment. But, if signs and symptoms are severe or bothersome, your doctor may suggest taking antihistamines. Simple self-care measures also can help you manage this skin condition.

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Signs and symptoms