How Long Do Prescription Drugs Stay in Your System?

Benzodiazepines

• HomeDrugTestingKit.com reports that benzodiazepines, sedatives including such drugs as Ativan and Xanax, can remain in the system for up to 10 days.
  
  

Opiates

• The opioid family of medication, including such drugs as Percocet and Vicodin, can also last up to 10 days in the body.
  
  

Anti-Depressants

• Anti-depressants also last up to 10 days in the body, especially if you have been taking them regularly for longer than a month.
  
  

Stimulants

• The stimulant family of medications, drugs used to treat ADD/ADHD, such as Ritalin, last two to four days in the body.
  
  

Barbiturates

• The oldest form of sedatives, such as phenobarbital, last between two to four days in the body.
  
  

Tips

• Your body weight and the length of time you have been taking the drug will affect the amount of time it stays in your system.