I took Serapax to withdraw from alcohol (prescribed by my doctor). It definitely cushioned the experience and potentially saved my life too. It's a benzo.
I ended up taking them on and off for two weeks after this. The bottle I was prescribed had 20 pills in it. By the 20th I could feel they were starting to get a hold on me. I think if I had a second bottle I would have got hooked so I am glad I didn't.
A week later I didn't even think about them so it wasn't a serious addiction just the beginnings of one.
Stay safe!