- The most frequent reason for these ADHD stimulant medication related visits was nonmedical use (48%), followed by adverse reactions associated with medical use (34%), accidental ingestion (10%), and suicide attempts (8%).
- The rates of DAWN emergency department visits involving methylphenidate or amphetamine-dextroamphetamine for patients aged 12 to 17 were higher than the rates for patients aged 18 or older.
- About 68% of the DAWN emergency department visits involving nonmedical use of methylphenidate or amphetamine-dextroamphetamine also involved another substance (such as alcohol, an illicit drug, or a pharmaceutical).