Methylphenidate is Distinguished from Amphetamine in Drug-of-Abuse Testing

Methylphenidate is distinguished from amphetamine in drug-of-abuse testing.

To the Editor: The prescription of medicines like methylphenidate for Attention Deficit Hyperactivity Disorder (ADHD) has increased ten-fold since 2004 in Denmark, and now amounts to approximately 12 million defined daily doses per year. Testing the patients for drug abuse is highly relevant, because the link between ADHD and drug abuse continues to be an area of interest in both adolescent and...

Methylphenidate vs. amphetamine: Comparative review

This article compares the two most common medications for Attention-Deficit/Hyperactivity Disorder (ADHD), using data from controlled studies. Medline and Psychinfo searches were done for 1984-1996 with the key words methylphenidate (MPH) and amphetamine (AMP); these were supplemented with known prior and recent literature. Of 92 animal studies found, 15 showed clear differences between the two...

Human d-amphetamine drug discrimination: testing with d-amphetamine and hydromorphone.

Factors Associated with the Transition from Drug Abuse to Initiation of Injection Drug Use

Objectives: Drug injection carries with it many risks and therefore it is important to understand the initiating factors of injection and its origins. Thus,  the purpose of this study was to identify factors associated with the initiation of injection drug use among substance abusers. Methods:  Study method was a cross-sectional study. The research statistics universe constitutes a...

the transition to amphetamine abuse