"gums started hurting 2nd day 3rd day unbearable and face started to swell  had to lie down as dizzy , violently sick, pins and needles in hand , very unhappy tooth ache  i as trying to tolerate as got told takes time to work but i was in to much pain so phoned dr who told me to stop taking it, i never want to take this drug ever again i feel very unwell. no help at all to my ahhd just feel completely unwell"