What happens to the body when something itches?

What happens to the body when something itches?

Why does my BODY ITCH at night? - Causes & Solutions of ITCHY SKIN

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answers (3)

Answer 1
June, 2021

Scientists and doctors do not reliably know the causes of itching

Nir Carlson Physiology of Behavior or Neuropathic Itch

Anne Louise Oaklander, MD, PhD,

For example ... The rest of the answers are either guesses or not generally accepted theories or tales from medical lectures

Answer 2
June, 2021

The feeling that something "itches" is a little pain. That is, if this same signal is strengthened, you will get a feeling of pain as from an abrasion. It turns out that when something itches, it hurts individual cells, not their entire colonies.

Answer 3
June, 2021

These are locally produced substances called bradykinins - mediators of itching (well, pain as well). Bradykinins are also formed during inflammation. So itching for no reason can be called a kind of underinflammation, when there is only a feeling of itching, but no pain, redness, edema, etc.

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