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How Acetaminophen Works

Covers treatment, dosage, side effects, interactions, warnings, pregnancy, elderly use, renal and hepatic dosing, counselling, costs, monitoring and age-specific use.

For doctors & patients
Author: DrGuide
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Scientific Answer

  • Acetaminophen works mainly in the brain
  • It blocks pain and fever signals
  • It reduces prostaglandin production
  • Prostaglandins cause pain and high temperature
  • It does not reduce inflammation in the body

Simple English explanation with example

  • Pain messages travel to the brain
  • Fever raises the body’s temperature
  • Acetaminophen quiets these signals
  • Pain feels lower, fever comes down
  • Like turning down the volume on an alarm