Well, as a pharmacist whose been stable on 50mg of vyvanse for more than 3 years, your wife and Doc are both incorrect…
Both are stimulants, yes, but
Vyvanse is an amphetamine and works to produce more neurotransmitters you don’t already have.
Cocaine is a reuptake inhibitor… thus preventing the breakdown of neurotransmitters you do already have.
While fundamentally they may look like they’re doing the same thing, they are in fact 2 totally different mechanisms. Furthermore, in neurotransmitter depletion the effects of cocaine will severely diminish, where as amphetamines will thrive.
lol mine is also a cat! Its of my 14 year old Kaya when she was 4 or 5 months old.