Switching from Vyvanse to Concerta because of insurance coverage instead of medical reasons: what's lost in that trade-off?

A change in symptoms, coverage, health status or life circumstances does not determine on its own whether an ADHD medication should be changed. The prescriber needs to review benefit, side effects, other conditions and the medication history; do not change medication independently. References: https://www.caddra.ca/canadian-adhd-practice-guidelines/ https://www.canada.ca/en/health-canada/services/drugs-medication/prescription-stimulants.html