eli5: Why does skin flare up and itchy when an individual is stressed? (I have neurodermatitis and I want to know what causes it biologically)
In: Biology
So, it has to do with your immune system. Cortisol levels rise with stress, as if you are having an allergic reaction. Technically, an allergic reaction is your immune system going a bit beserk on your own body. For someone who has a hyper active immune systemb when your stressed, Your body experiences symptoms that may resemble a severe allergic reaction-your reaction being itchy skin.
Please be aware, in many cases hyperactive immune systems rarely are only active on part part of the body when they flare up. Loose, watery stool is also very common. Often your primary symptoms will change with age. It may be pivotal for you to find good ways to manage stress. I highly recommend a devoted 3 day a week workout routine for life, as this has been proven to dramatically reduce symptoms.
Signed, a lifelong sufferer. Sorry about your itchies. They suck. I know.
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