Yes, I believe so.
I don't believe all drugs can be used in substitution therapy in the same manner.
Doing it on your own is unlikely to be successful. There are people out there who do it, but it's not the norm. I could quietly maintain a serious Opioid habit while teaching school. By the time the schoolyear was over though, nine months later, the wheels were falling off and I wouldn't have been able to continue.
I don't believe all drugs can be used in substitution therapy in the same manner.
Doing it on your own is unlikely to be successful. There are people out there who do it, but it's not the norm. I could quietly maintain a serious Opioid habit while teaching school. By the time the schoolyear was over though, nine months later, the wheels were falling off and I wouldn't have been able to continue.