What causes our skin to feel itchy when nothing is there?
In: Biology
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asked my friend who is a doctor and he said (beyond obvious things like eczema, histamine issues, healing from burns etc) that sometimes it’s just nerves misfiring. our bodies are insanely functional given their complexity but also have silly glitches all the time!
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It could be that your skin is dry, then whenever your temperature changes and you sweat, the sweat gets between the little cracks and it is irritating… Since the lesions are so small, you feel like an itch.
It could be that some insect just bite you but you only felt it after it is gone.
It could be a reflex feeling. If you pinch yourself on some parts of your skin your brain may interpret that as coming from somewhere else in your body (only when the stimulus is small and there’s not much pressure or temperature difference that would help the brain by getting different stimules to pinpoint the right location). So yeah, you feel a reflection of the itch somewhere else where there is nothing really.
There’s probably more reasons.
Why did reading this make me itchy?
Isn’t an itch transmitted via the pain receptors? Just not as many or as strongly?
What do you mean by nothing is there?? there’s always something on your skin
I get seriously itchy every night after I climb int9 bed but before I fall asleep. The itches pop up everywhere for like ten minutes. Then it stops and I’m fine for the rest of the night. The itches are strong ones too, resistant to going away, and come back repeatedly a few moments after the last time I scratched them.
Not my skin really, but sometimes when I work out I swear my muscles feel itchy. It’s always the thigh muscles and there is no scratching that itch.
I think that nerves can misfire simply due to inflammation. Or if the area is super tight and not getting good blood flow due to tension for a long time, this can inflame the nerves.
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