Which analgesic is preferred for a patient with a known peptic ulcer disease, and what dosing considerations apply?

• A. Acetaminophen; avoid NSAIDs; follow recommended maximum daily dose (around 3-4 g/day for most adults) and monitor liver function.
• B. Ibuprofen at a standard dose.
• C. Aspirin-only regimen.
• D. Opioid analgesics as a first choice.

Answer: (A)

When a patient has peptic ulcer disease, the analgesic choice must avoid irritating the stomach while still providing effective pain relief. Acetaminophen fits this need because it provides analgesia without the gastric mucosal irritation or increased bleeding risk that NSAIDs cause. NSAIDs like ibuprofen or aspirin inhibit protective prostaglandins in the stomach, which can worsen ulcers and provoke GI bleeding—risk that we want to avoid in peptic ulcer patients. Opioids can manage pain but are not the first-line option for typical dental pain due to side effects and dependence concerns, and they don’t specifically address the GI ulcer risk.

Dosing considerations: use up to about 3–4 g of acetaminophen per day for most adults, spaced across the day (for example, 500–1000 mg every 6 hours as needed). Do not exceed the 4 g daily limit. Lower the limit or avoid acetaminophen in people with significant liver disease, chronic alcohol use, or when taking other hepatotoxic drugs, and monitor liver function if there are risk factors or signs of liver trouble (e.g., jaundice, right upper quadrant pain, confusion). Also be mindful of combination products that already contain acetaminophen to prevent accidental overdose.