鸦片类止疼片不是一般的止疼片。那个属于产品误导，已经有官司了。

美国牙医拔个牙都要给开鸦片类止疼片，我是从来不碰的。如果不知道的人可能就吃了，以为是一般的止疼片。结果上了瘾，是产品误导。

https://www.justice.gov/opa/pr/opioid-manufacturer-purdue-pharma-pleads-guilty-fraud-and-kickback-conspiracies

https://khn.org/news/purdue-pharma-sales-pitch-downplayed-risks-of-opioid-addiction/

Two decades ago, Purdue Pharma produced thousands of brochures and videos that urged patients with chronic pain to ask their physicians for opioids such as OxyContin, arguing that concerns over addiction and other dangers from the drugs were overblown, company records reveal.