Why is mixing crack cocaine and heroin bad?

Question by Lana_lienka: Why is mixing crack cocaine and heroin bad?
I heard from a lot of people and sources that when you smoke crack and then shoot some heroin, it’s really bad and lethal because heroin slows down the heart rate and cocaine increases it. How is that bad? Isn’t it supposed to be the opposite? I mean if cocaine increases heart rate and heroin decreases it then that’s supposed to be ok, isnt it? Like it’s a balance, and the heart rate remains normal. I dont know i just couldnt really make sense out of it. Hope someone can help me xx

Best answer:

Answer by Amber
i’m not sure the science of it, but it is very lethal. That goes the same for any uppers and downers. People who do coke try to take pills to sleep and they never wake up. I guess there is too much stress on the heart, maybe it “gets confused” because the coke speeds you up then the sleeping pill slows you down. Don’t ever mix uppers and downers.

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