treatment of Attention Deficit /Hyperactive Disorder (ADHD). The mode of action in humans is

not completely understood, but Ritalin presumably activates the arousal system of the brain

stem and the cortex to produce its stimulant effect. Recently, the frequency of diagnosis for

ADHD has increased dramatically. More children and an increasing number of adults are being

diagnosed with ADHD. According to the Drug Enforcement Agency (DEA) (Bailey 1995),

prescriptions for Ritalin have increased more than 600% in the past five years. Ritalin has a

long history of controversy regarding side effects and potential for abuse, however it greatly

Ritalin (Methylphenidate) is manufactured by CIBA-Geigy Corporation. It is supplied in 5

mg., 10 mg., and 20 mg. tablets, and in a sustained release form, Ritalin SR, in 20 mg. tablets.

It is readily water soluble and is intended for oral use. It is a Schedule II Controlled Substance

Midwest are now at the low end ($3 to $5 per tablet) compared with some West Coast

Ritalin are minimal at therapeutic doses (Clinical Pharmacology Online 1997).

Long, P. W. (1996). Methylphenidate, Brand name Ritalin, Drug Monograph. In, Internet Mental Health Drug Monograph. [on-line], Available: http://www.mentalhealth.com/. (pp. 1-7). Ottawa, Canada.

to be in the cerebral cortex and the subcortical structures including the thalamus. Ritalin blocks

of Ritalin was reported on the U.S. West Coast and in the Midwest. Non-medical use

each. In the illicit street drug market, tablets sell for $3 to $15 each. While street prices in the

Some common words found in the essay are:
According Clark, Pharmacology Online, Houston Chronicle, Abuse NIDA, ADHD Ritalin, Disorder ADHD, Individuals ADHD, Dopamine Norepinephrine, African American, Perot Texas, bailey 1995, clark 1996, houston chronicle, clinical pharmacology online, treatment attention, diagnosis adhd, on-line pp, clinical pharmacology, critics ritalin, 1996 according, houston chronicle 1996, ritalin houston chronicle, ritalin houston, frequency diagnosis adhd, 20 mg tablets,
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