Why do certain substances have withdrawal symptoms?

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Why does my lack of caffeine after having it all the time cause headaches? Like it doesn’t make sense to me.

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Anonymous 0 Comments

Your body is always trying to maintain homeostasis – a set point that represents balance. Whenever you do ANYTHING to your body, whether its taking heroin, caffeine, or even putting on lotion you are upsetting the balance of your system. So you’ve upset the balance and your body is all angry with you and says “next time I’ll be ready for that fucker.”

It has a few options at it’s disposal. It can create less of whatever internally produced chemical you’ve used. It can create more places for the chemical you’re using to go. It can also create more enzymes to clear whatever chemical you’re using.

So now lets say you DON’T use that chemical again. Dick move. Now your body has made all these preparations and you’re not making up the difference! That means there isn’t enough chemical to reach that homeostasis and that’s the feeling of withdrawal.

And withdrawal isn’t just the addict scratching their neck looking for a fix, or writhing on a bed in pain because they didn’t get it. Your skin may get a little drier if you use lotion then stop. Your immune system might get a little suppressed if you don’t have it. [You may produce more stomach acid and have acid reflux problems that didn’t exist before.](https://www.npr.org/2009/09/06/112564382/study-heartburn-drugs-can-cause-more-heartburn) The list goes on.

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