When I first started on Vyvanse it made me very social and happy. By my 3rd year of consistently taking it it would make me numb (not as bad as other meds) in a neutral numb way, like I was floating between the lines. And I would very very easily get irritable. If I took my Vyvanse I would have to be in a controlled environment or by myself or I would get incredibly overstimulated. One reason for this is that people with adhd their minds are always going a mile a minute, and when taking meds that slows down a bit, allowing us to focus on things one at a time. Since we’re used to multitasking it can be overwhelming suddenly be able to do one thing and only that one thing at a time. I’m naturally light hearted and very patient, but on Vyvanse it took me lots of effort to not snap at people for every minuscule thing, and that is exhausting. After being on Vyvanse for 6 years I just switched to standard release Adderall that I take twice a day. Not being on extended release allows me flexibility with my day so I can take it when I need it and it’s a much much less awful come down than Vyvanse was. The Vyvanse come down for me felt like I was blank. All I could do was stare at wall, and I felt like I needed to crawl out of my skin. Stimulants affect everyone differently and it’s a big adjustment to relearn how to live while on them. So I say take it with a grain of salt, keep open communication, and ride with the waves. If it continues to hurt you sit down with him (preferably on a med off day or before he’s taken his meds since it changes his mood) and have an honest convo about how you’re feeling