Metadate
Brand names,
Metadate
Analogs
Metadate
Brand Names Mixture
Metadate
Chemical_Formula
C14H19NO2
Metadate
RX_link
http://www.rxlist.com/cgi/generic/methphen.htm
Metadate
fda sheet
Metadate
msds (material safety sheet)
Metadate
Synthesis Reference
M. Hartmann, L. Panizzon, U.S. Pat. 2,507,631 (1950)
Metadate
Molecular Weight
233.306 g/mol
Metadate
Melting Point
224-226oC
Metadate
H2O Solubility
1255mg/L
Metadate
State
Solid
Metadate
LogP
3.192
Metadate
Dosage Forms
Tablets; Tablets (sustained release)
Metadate
Indication
For use as an integral part of a total treatment program which typically includes other remedial measures (psychological, educational, social) for a stabilizing effect in children with a behavioral syndrome characterized by the following group of developmentally inappropriate symptoms: moderate-to-severe distractibility, short attention span, hyperactivity, emotional lability, and impulsivity.
Metadate
Pharmacology
Methylphenidate is a central nervous system stimulant used most commonly in the treatment of attention-deficit disorders in children and for narcolepsy. Its mechanisms appear to be similar to those of dextroamphetamine.
Metadate
Absorption
Readily absorbed in a biphasic manner. It reaches peak absorption at approximately two hours for the first phase and five hours for the second phase. Bioavailability is low (approximately 30%)
Metadate
side effects and Toxicity
Symptoms of overdose include vomiting, agitation, tremors, hyperreflexia, muscle twitching, convulsions (may be followed by coma), euphoria, confusion, hallucinations, delirium, sweating, flushing, headache, hyperpyrexia, tachycardia, palpitations, cardiac arrhythmias, hypertension, mydriasis, and dryness of mucous membranes. LD50=190mg/kg (orally in mice)
Metadate
Patient Information
Metadate
Organisms Affected
Humans and other mammals