What is the standard dosing of Acetaminophen for mild to moderate pain?

• A. 500 mg every 8 hours
• B. 500 mg every 6 hours
• C. 1000 mg every 6 hours
• D. 250 mg every 8 hours

Answer: (A)

In managing mild to moderate pain, a practical and safe approach is to use a fixed per-dose amount that fits into a regular interval. A common adult regimen is 500 mg per dose taken every 8 hours as needed. This provides reliable analgesia while keeping the total daily acetaminophen exposure within safe limits (roughly up to 4,000 mg per day for adults, depending on guidelines).

Why this fits best: the 500 mg dose uses a standard, simple tablet size and spacing that offers effective pain relief with a lower risk of exceeding daily limits. The alternative of a higher per-dose amount (1000 mg) and shorter interval (every 6 hours) increases daily exposure and potential toxic risk. A smaller dose (250 mg) every 8 hours might be subtherapeutic for many adults, and 500 mg every 6 hours would raise the total daily dose without necessarily improving efficacy for mild pain.