不幸的是，这个化学药物有毒性代谢产物，所以不能用在人身上。

Unfortunately, this chemical has toxic metabolites that prevents it from being used in humans.

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但是，在严重病例，血液透析能直接清除毒性代谢产物而成为主要的治疗方法。

In severe cases, however, dialysis is the mainstay of therapy because it removes the toxic metabolites directly.

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就乙酰氨基酚如何作为一种毒性代谢产物而导致肝脏损伤的机制而言，是因为咖啡因抑制了肝内抗氧化剂，从而才增强了对乙酰氨基酚的毒性。

In terms of how acetaminophen causes damage and being a toxic metabolite, the things that would promote acetaminophen toxicity are things that inhibit antioxidants in the liver.

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