Combine long-acting short-acting stimulant?

Question from a Member: Many of the patients with ADHD complain their medications wear off by lunchtime regardless of being prescribed a long or short-acting stimulant. To address this my preceptor routinely prescribes mixed amphetamine salts extended-release (brand name Adderall XR) or lisdexamfetamine (brand name Vyvanse) in the morning with a mixed amphetamine salts immediate-release…