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Class Explorer · Pain & inflammation

Simple analgesics

Acetaminophen's central COX action: analgesia and antipyresis without anti-inflammatory or antiplatelet effects.

Members

Compare the members

Acetaminophen
Daily ceiling concept
Hard maximum; lower in liver disease/alcohol
Note
Count all sources

Shared across the class

Indications
First-line mild-moderate pain · Fever
Adverse effects
Hepatotoxicity in overdose
Contraindications
Severe active liver failure
Monitoring
Total daily intake across all products

What makes each agent different

  • The class of one: its comparison is with NSAIDs, and the trade is efficacy ceiling for organ safety.

Every combination cold product is an acetaminophen dose in disguise.

Last reviewed 2026-08-15 · Goodman & Gilman's The Pharmacological Basis of Therapeutics, 14th ed.