Currently taking vyvanase 30 was taking adderall 15 bid before that and dexedrine before that. the only medication that i felt has helped is desoxyn (methamphetamine) ?

Stimulant titration : Initial low doses of stimulants are titrated up to optimal doses over a few weeks' time, unless significant side effects occur at a lower dose. Maximum adult daily doses of Adderall XR & Vyvanse (lisdexamfetamine) are 40 mg. & 70 mg. respectively. Discuss with your psychiatrist before seeking a dangerous medication. If your primary physician is the prescriber, seek referral to a psychiatrist.