Acetaminophen
Definition
Acetaminophen is a nonopioid analgesic and antipyretic commonly used to treat mild to moderate pain and reduce fever. It is often found in over-the-counter medications like Tylenol.
5 Must Know Facts For Your Next Test
- Acetaminophen works by inhibiting the synthesis of prostaglandins in the brain, which helps to relieve pain and reduce fever.
- It does not possess anti-inflammatory properties, unlike NSAIDs such as ibuprofen or aspirin.
- The maximum recommended daily dose for adults is 4 grams (4000 mg) to avoid hepatotoxicity.
- Overdose of acetaminophen can lead to severe liver damage and acute liver failure, necessitating prompt medical attention.
- It is generally considered safe for use during pregnancy when taken as directed.
Review Questions
- What is the primary mechanism of action for acetaminophen in relieving pain?
- Why is it important not to exceed the recommended daily dose of acetaminophen?
- How does acetaminophen differ from NSAIDs in terms of its therapeutic effects?
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Related terms
NSAIDs: Nonsteroidal anti-inflammatory drugs that provide analgesic, antipyretic, and anti-inflammatory effects.
Hepatotoxicity: Liver damage caused by chemicals, with acetaminophen overdose being a common cause.
Prostaglandins: Group of lipids involved in injury or illness responses such as inflammation, pain, and fever.
