what are the effects of adhd medications if they are taken [shared with friends]and you dont need th

Thank you for your question and welcome to ADHDCentral.com.

Abuse of stimulant medication is, unfortunately, on the rise in teenagers. Taking someone else's medication would certainly constitute abuse. Using stimulant medications can cause increases in heart rate, increase in chance of stroke, spikes in blood pressure. Of course, as you know, this medication should be taken only under the supervision of a doctor. You are right to be concerned if you are seeing abnormal behavior in your nephew.

The following article provides additional information on signs of stimulant medication abuse:

Stimulant Medication Abuse

I hope this information is helpful.

Eileen