Today's question box question comes from Butterfly. She asks "How do pain medications know where to go? How do they find the pain? How does your brain know that anti-inflammatory meds are entering the system."
To answer this, here are some articles discussing how acetaminophen(Tylenol), acetylsalicylic acid(Asprin) and ibuprofen (Advil, Motrin)
Common Painkillers and their Mechanisms
Tylenol or Asprin
To understand these articles, we need a further understanding of pain:
Physiology of Pain
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