Reply To: Vyvanse crash only 3-4 hours after taking it; is this normal and any advice? Home › Welcome to the ADDitude Forums › For Adults › Treating Your ADHD › Vyvanse crash only 3-4 hours after taking it; is this normal and any advice? › Reply To: Vyvanse crash only 3-4 hours after taking it; is this normal and any advice? February 3, 2020 at 12:00 pm #140892 rcarr2929Participant Vyvanse is only available in an extended release form.
