"today was my first day taking concerta. i am 19 and have pretty severe adhd and a little anxiety that coincides with the adhd. i took 36mg at 8:30 am and kicked in at 10. i definitely noticed it, i felt alert and energetic but not focused, and i still found myself pretty forgetful before leaving for work. by the end of work i felt really emotionless and had a head ache, and when i got home at 6 i began crying for no particular reason. after crying i felt much better and focused very well on school work. now i feel happier but surprised by how much of a roller coaster the whole day was. overall i&#039;m not sure this is the medication for me, hoping this reaction is normal and it just takes some time to adjust."