You may be at too high of a dosage with the side effects you are describing. That rushing around and chattiness sounds like it describes someone who doesn’t have ADHD on speed to be honest. 
Usually when stimulants “click”, you do get that feeling that the world is slowing down to the right speed.
Or it could be that particular medication may not be the right one for you.
One other thing – you said you have a cold – did you take a decongestant? They don’t mix well with stimulants.
REPORT ABUSE