ADHD
"I am a 52 year old male who was prescribed this drug to treat mild ADD, mild anxiety and mild hypertension. For the first five days it was very effective.
Then, a fierce panic attack started.  I stopped taking the pill after the first full day of it but the episode lasted five days straight. I have never had one of these in my life before. Shaking, moaning, hot flashes, intense sternum knot, heart pain, racing pulse, overwhelming feeling of fear and hopelessness. A couple lorazepam towards the end helped immensely when my body felt like it was about to burn out. After a day of normalcy, a softer panic set in which then morphed into brief bouts of depression.
I realize most people do not have this reaction, but be warned."