Drug Name
Generic
Duration
Notes
Adderall XR Dextroamphetamine Sulf-Saccharate 8-12 hours  
Aptensio XR Methylphenidate HCL 10-12 hours  
Concerta Methylphenidate HCL 8-12 hours  
Daytrana Transdermal patch Methylphenidate up to 10 hours This medication may cause also skin irritation or discoloration.
Dextroamphetamine Sulfate
6-8 hours
 
Amphetamine Sulfate
6 hours
 
Focalin XR Dexmethylophenidate HCL 6-10 hours  
Metadate CD Methylphenidate HCL 8-10 hours  
Metadate ER Methylphenidate HCL 6-8 hours  
Methylin ER Methylphenidate HCL 6-8 hours  
Ritalin LA Methylphenidate HCL 8-10 hours  
Ritalin SR Methylphenidate HCL 4-8 hours  
Quillivant XR Methylphenidate HCL 12 hours  
Vyvanse Lisdexamfetamine Dimesylate 10-12 hours  

Nonstimulants

Drug Name
Generic
Duration
Notes
Clonidine HCL
4-6 hours 
Fatigue, dizziness, dry mouth, irritability, behavior problems, low blood pressure. Stopping this medicine suddenly can result in high blood pressure.
Clonidine 
Up to 7 days 
Fatigue, dizziness, dry mouth, irritability, behavior problems, low blood pressure. Stopping this medicine suddenly can result in high blood pressure.
Guanfacine HCL
24 hours 
Sleepiness, headache, fatigue, abdominal pain. Although rare, can cause low blood pressure and heart rhythm changes.
Clonidine HCL
12 hours 
Fatigue, dizziness, dry mouth, irritability, behavior problems, low blood pressure. Stopping this medicine suddenly can result in high blood pressure.
Atomoxetine HCL
24 hours
Sleep problems, anxiety, fatigue, upset stomach, dizziness, dry mouth. Although rare, can cause liver damage. Increased risk of suicide in adults aged 18-24.
Tenex  Guanfacine HCL 6-8 hours Sleepiness, headache, fatigue, abdominal pain. Although rare, can cause low blood pressure and heart rhythm changes.