Analgesic Ladder

The analgesic ladder is a stepwise framework for pain management: start with the least potent, lowest-risk option adequate to the pain, and escalate only when that step fails, rather than reaching for the strongest available drug first. The World Health Organization published the original three-step version in 1986 for cancer pain specifically — step one, non-opioid analgesics (paracetamol, NSAIDs); step two, weak opioids for mild-to-moderate pain unrelieved by step one; step three, strong opioids for moderate-to-severe pain. Adjuvant drugs (for nerve pain, anxiety, or other contributing factors) can be added at any step rather than sitting on the ladder themselves.

The model's discipline is the point: it forces a justification for prescribing anything stronger than necessary, rather than defaulting straight to opioids because they work reliably and fast. That was well suited to its original context — terminal cancer pain, where escalating tolerance and dependence were lesser concerns than adequate relief.

Applying the same ladder unmodified to chronic non-cancer pain has drawn substantial revision and criticism, since the tradeoffs are different: chronic pain management now leans harder on non-pharmacological approaches and interventional options — a Regional Nerve Block, physical therapy, targeted procedures — often introduced earlier rather than only after both non-opioid steps have been exhausted. Newer WHO guidance for chronic pain has moved away from a strict fixed ladder toward a more individualized approach, in part because rigid step-ordering was blamed for both undertreated pain (patients stuck too long on step one) and overprescribing (unnecessary progression to step three).

The ladder's underlying premise — that pain severity should be matched, not exceeded, by treatment intensity — depends entirely on Nociception and self-report being read accurately, since that severity assessment is the input the whole ladder runs on.