Vyvanse (lisdexamfetamine) used to make me alittle happy/energy, talk a lot and wanted to get things done a little bit.but now making me not talk a lot and less energy.

See your doctor : You may have experienced some stimulation from the initiation of Vyvanse (lisdexamfetamine). Your symptoms were manic-like. The effect wore off over time. You may have developed some tolerance to the medication. See your doctor for an assessment and determination if continued use of Vyvanse (lisdexamfetamine) is appropriate. You need to be monitored closely with any future medication changes. Best Wishes!