I am a 16 year old female who weighs about 140 lbs. what mg of vyvanse do you think would be best daily? i used to take vyvanse when i was younger because of my adhd, but i stopped. i have been recently struggling to stay focused in school and i would lik

Re-starting Vyvanse (lisdexamfetamine): Vyvanse (lisdexamfetamine) dosing goes more by clinical response than by weight. If you've done well on a certain dose in the past, restarting that dose would be reasonable and then possibly increase as doctor recommended. A treatment plan should also include behavioral strategies and possible school accommodations to help you focus. I hope this helps. All the best.

Monitor duration : I would monitor the duration of effect (how many hours does effectiveness last) over using a specific dose based on dose. I would hope for potential of 10-12 hours of dosed appropriately and no underlying or added changed to cyp2d6 that may affect vyvanse (lisdexamfetamine) (i.e. Prozac)