Whoa.My first experience of this as a concept was my ex husbands mother. When she was in a hospice dying, they couldn’t understand why the morphine (diamorphine?) wasn’t working until it was a level that would kill a person or two.
Turns out she’d been a codeine addict for 30 years and had an off the charts tolerance to opiates. After she died, the sheer number of boxes of codeine in her house when we cleared it was a sight to behold.
But that doesn’t actually surprise me. There were long running threads on Mumsnet that were full of codeine addicts. And there weren’t offering support to each other / encouraging each other to get help, they were usually frantically enabling each other. It was years ago now, but some sort of OTC painkiller brand got taken off the market and they were gutted because it meant they couldn’t get their hands on unrestricted amounts of codeine anymore.
There were also long running cocaine threads too. Full of women trying to support each other but mainly falling off the wagon “Tee hee, hubby has just texted his dealer!” “Ooh I’m jealous, enjoy!” etc