Why do wounds itch as they heal?

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Discussion Overview

The discussion centers on the phenomenon of itching during the healing process of wounds, including both external and internal injuries. Participants explore the biological mechanisms behind itching, personal experiences with healing, and the implications of scratching itchy wounds.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest that itching is a part of the healing process, potentially linked to histamine release and the formation of new nerves and blood vessels during angiogenesis.
  • Others share personal anecdotes about the frequency and nature of itching with various types of injuries, including sprains and minor cuts.
  • A participant mentions the effectiveness of Neosporin in reducing itchiness while healing.
  • There is a discussion about the variability of healing times and responses among individuals, influenced by factors such as blood density and platelet count.
  • Some participants express uncertainty about the relationship between itching and the healing process, with one noting that they do not recall bruises itching in their youth but experience it now.
  • Research into electromagnetic fields and their potential impact on wound healing times is mentioned, suggesting an area of ongoing exploration.

Areas of Agreement / Disagreement

Participants express a range of views on the causes of itching during healing, with no consensus on the best practices for managing itchy wounds. The discussion includes both agreement on the biological mechanisms and differing personal experiences.

Contextual Notes

Limitations include the variability in individual healing processes and the lack of consensus on the effectiveness of different treatments for itchiness. Some claims about the relationship between itching and healing are based on personal experiences rather than established research.

lisab
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Why do wounds itch as they heal?

Within reasonable limits, is it a good idea to scratch a healing wound that is itchy?
 
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Helps get rid of the scabby skin
 
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Sure, that's understandable. But what about internal injuries, like sprains? If an injury was swollen, as the swelling goes down it can itch like crazy. What's going on there?
 
lisab said:
But what about internal injuries, like sprains?
hmm I've never experienced that before, interesting
 
Part of the healing process involves histamine, which is well known for its association with itching. Like most neurotransmitters, histamine has multiple functions, so it's not the only interpretation, but it's the word on the street (or in the lecture room, as it were).
 
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lisab said:
Why do wounds itch as they heal?

Within reasonable limits, is it a good idea to scratch a healing wound that is itchy?
I'm doing my best to turn 72 in December, one of the few disappointments in growing older has been bumping my arms or hands and break the skin, that being said I have found Neosporin applied under a band-aid does wonders to speed the healing while reducing or eliminating the itch.
 
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It's a guy thing, mostly. Itching makes you remember to pick at the scab so that it will form a scar rather than healing properly. :p
 
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RonL said:
I'm doing my best to turn 72 in December, one of the few disappointments in growing older has been bumping my arms or hands and break the skin, that being said I have found Neosporin applied under a band-aid does wonders to speed the healing while reducing or eliminating the itch.
At least you know how you got the cut! All my life I've found "surprise" cuts that I can't account for how the happened. I usually only use Neosporin on hand and foot wounds, since they're most likely to get infected in my experience.
 
My hobby is woodworking and I have a garage full of benches and planks and tools and just generally sharp and pokey things and I'm ALWAYS finding minor cuts and bruises. When they happen I just shout a few cuss words and immediately forget all about it, unless it's getting blood on the wood. Then a few days later I'll find a doozy of a bruise and wonder what the hell I did to deserve it. I had so many one time that my doctor started asking questions and after a bit I finally got it that he was probing politely for spousal abuse 'cause he didn't believe I could be stupid enough to do that much to myself. He was wrong. I'm that stupid (careless, actually).

Anyway, the thing is, I really don't remember bruises itching when I was younger but they sometimes do now. Very annoying. I haven't found anything that helps.
 
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lisab said:
Why do wounds itch as they heal?

Within reasonable limits, is it a good idea to scratch a healing wound that is itchy?
as the wound heals and the inflamation reduces angiogenesys starts together with remodeling. itching is a good sign that the wound heals more and more. during angiogenesys new nerves, vessels and tiny vessels form(capilaries) by that we sense the itch.
take a look at the wound healing table. a wound to heal might take a lot. :)

1024px-Wound_healing_phases.png
 
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2young2retire said:
as the wound heals and the inflamation reduces angiogenesys starts together with remodeling. itching is a good sign that the wound heals more and more. during angiogenesys new nerves, vessels and tiny vessels form(capilaries) by that we sense the itch.
take a look at the wound healing table. a wound to heal might take a lot. :)

1024px-Wound_healing_phases.png
Yesterday I was cutting some dead branches in my backyard and scraped my skin (just a small hole and short scratch), it bled a lot so I had to stop moving around for a while, I pressed a tissue against it and it sealed up. I started watching the clock and to my surprise it looks to be right on time with the chart.
I'm not using anything on the wound, I guess I'll be picking at the scab in a few days.:p
 
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  • #12
well yes in general it applies but the timetable doesn't apply for all because not all have the same density in platelets in blood for example ;)

each ones blood is different. in density,pressure,nutricient,platelets etc...

now there is some interesting research going on about electromagnetic field and wound healing times. it seems that certain wave lengths aid to make a wound heal much faster...
 

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