The only way to know if there’s an alternative that will work for his ADHD symptoms and not increase his tics, is to try other medications. They work differently for everyone.
Vyvanse is an amphetamine-based stimulant, so another in that category might be the most logical next step: Adderall, Evekeo…
There’s also methylphenidate-based stimulants, like Ritalin and Concerta.
There are medications known to ease tics, as well, and that might make sense if Vyvanse is working exceptionally well otherwise:
Talk to his prescribing doctor and get his/her guidance on the next steps.
ADDitude Community Moderator, Author & Mentor on Parenting ADHD, Mom to teen w/ ADHD, LDs, and autism