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Last Updated: 4 months ago

Possible Interaction: Amphetamine and Methylphenidate

Research Papers that Mention the Interaction

Forty milligrams methylphenidate produced significant increases on the stimulant portions of the VAS and ARS and the benzedrine, amphetamine , morphine-benzedrine and lysergic acid diethylamine (LSD) subscales of the ARCI relative to placebo.
Drug and alcohol dependence  •  2002  |  View Paper
One large and 3 small studies have recently examined the risk of major congenital malformations following the use of methylphenidate and amphetamines during the first trimester of pregnancy.
The Journal of clinical psychiatry  •  2018  |  View Paper
Even worse, it is equally stated (unreferenced) in the Summary of Product Characteristics (SPC) of both Ritalin tablets (Novartis Pharmaceuticals) and Concerta prolonged release tablets (Janssen-Cilag), that “this product contains methylphenidate which may induce a false positive laboratory test for amphetamines , particularly with immunoassay screen test” (3, 4).
Journal of analytical toxicology  •  2012  |  View Paper
Indeed, although tianeptine did not significantly change any ARCI scores, methylphenidate significantly increased amphetamine and morphine benzedrine scores of the ARCI compared with placebo.
Journal of clinical psychopharmacology  •  2011  |  View Paper
In particular, information about QOL effects in adults and in subjects of all ages taking methylphenidate and amfetamine treatments is urgently needed.
CNS drugs  •  2010  |  View Paper
By far the most frequently prescribed of these drugs — the stimulant medications amphetamine and methylphenidate — have abuse potential and therefore warrant particular concern.
The most recent figures suggest that we should evaluate carefully whether diversion of methylphenidate and amphetamine may be increasing in the United States.
Nature  •  2008  |  View Paper
Cross-sensitization between MPD and Amph was observed in a linear dose dependent manner in males and in an inverted U-shape pattern in females.
Physiology & Behavior  •  2019  |  View Paper
Atomoxetine or amphetamines may improve cognitive symptoms, while methylphenidate should be avoided in patients with schizophrenia.
CNS spectrums  •  2018  |  View Paper
However, by far the most frequently prescribed of these — the stimulant medications amphetamine and methylphenidate — have abuse potential and warrant particular concern.
The most recent figures suggest to us that diversion of methylphenidate and amphetamine may be increasing in the United States.
Nature  •  2008  |  View Paper
By far the most frequently prescribed of these drugs — the stimulant medications amphetamine and methylphenidate — have abuse potential and therefore warrant particular concern.
The most recent figures suggest that we should evaluate carefully whether diversion of methylphenidate and amphetamine may be increasing in the United States.
Nature  •  2008  |  View Paper
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