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.
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.
Q&A Related to "Why Do Scabs Itch?"
As the scab is drying out, it shrinks as the sore heals. The itching is a good sign that the sore is indeed healing. Try not to scratch the scab as it will prolong the healing process
http://answers.ask.com/Health/Diseases/why_do_scab...
Scabs contain histamine as part of the healing process. These histamines irritate the skin and cause itching. The upper layer of the skin contains tiny nerves that are highly sensitive
http://www.ehow.com/facts_5840880_scab-itch_.html?...
Because it is healing and the blood cells are growing back together.
http://wiki.answers.com/Q/How_come_a_scab_itches
Scabs contain histamines, which naturally irritates the skin surrounding the scab, causing it to
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