stimulants

So I had a patient a week or 2 ago who I diagnosed with ADHD and started on a stimulant medication. While going over the medication I gave my usual spiel about not taking the medication during periods when he was off work for periods when he did not need medication to complete important tasks...

With the newer generic adderall xr and adderall formulations, patients have been stating they are not working as well, are not as effective. Have you noticed this or gotten complaints from people about this? Any references or reports you have regarding this. This happened with generic...