Figure 1

ADHD-related prescriptions and expenditures in England, 1998 – 2005. a: Prescription items dispensed in the community; b: Expenditures by category p.a.; DEX: dexamphetamine (Dexedrine^R and others); MPH: methylphenidate; IR: immediate-release formulations (Ritalin^R and generics); MR: modified-release formulations (Concerta^R XL, Equasym^R XL; Ritalin^R SR imports); MOD: modafinil (Provigil^R, licensed for daytime sleepiness); ATX: atomoxetine (Strattera^R); PEM: pemoline (Volital^R, before 2002 only, not shown due to small volume); data source: NHS Prescription Cost Analysis 1999–2006 [19]. Note that these data include prescriptions for adults with ADHD and also for other indications (narcolepsy).