Why Do Scabs Itch?

Answer

The body reacts to injuries by producing histamine, which is contained in the scab formation as part of the healing process. Histamines can irritate the skin and cause the scab to itch. Scabs itch when they start pulling away from the new layer of skin underneath them.
Q&A Related to "Why Do Scabs Itch?"
The body reacts to injuries by producing histamine, which is contained in the scab formation as part of the healing process. Histamines can irritate the skin and cause the scab to
http://www.ehow.com/facts_5844953_do-scabs-itch-mu...
Scabs contain histamines, which naturally irritates the skin surrounding the scab, causing it to
http://www.chacha.com/question/why-do-scabs-itch
they're healing.
http://answers.yahoo.com/question/index?qid=200608...
An itch is caused when histamine is released from mast cells & sends a signal up the same nerves as pain receptors do telling your brain you are itching
http://www.kgbanswers.co.uk/why-do-scabs-itch/4951...
1 Additional Answer
Because the injury that caused the scab is starting to heal and this is indicated by the itching. Try some topical anti-itch creams to help the itch.
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