| An inadequate response to methylphenidate was followed first by a trial of dextroamphetamine, then pemoline and then imipramine. |
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| We have seen it with antidepressants in adults and methylphenidate in behaviourally disordered children. |
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| The primary legitimate medicinal use of methylphenidate is for the treatment of attention deficit hyperactivity disorder in children. |
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| Each dose of methylphenidate or dextro-amphetamine lasts about 4 hours unless a long acting form is used. |
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| Traditional treatments, such as the stimulant drugs methylphenidate and amphetamine, outperformed caffeine in improving functioning and reducing levels of hyperactivity. |
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| The most popular remedy is methylphenidate hydrochloride, or Ritalin, which is by no means a mild medical intervention. |
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| Sufficient data on the safety of long-term use of methylphenidate in children are not yet available. |
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| Nursing Women: A study conducted in rats indicated that the distribution profiles of methylphenidate in milk and plasma are similar. |
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| Several Governments shared their concern over the increasing consumption of methylphenidate. |
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| In 1999, the consumption of amphetamine in that country, expressed in defined daily doses, was higher than the consumption of methylphenidate. |
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| The United States remains the main consumer of methylphenidate, accounting for more than 80 per cent of global consumption. |
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| Country B issued the corresponding export authorization for 1,740 g of methylphenidate base. |
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| Clinical experience suggests that in psychotic children, administration of methylphenidate may exacerbate symptoms of behavioural disturbance and thought disorder. |
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| Reports indicate that in some schools in t he United States a very high percentage of students receives stimulant medication, primarily methylphenidate. |
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| The substances used for this purpose include methylphenidate and two of the amphetamines, primarily dexamfetamine but increasingly also amfetamine. |
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| Physiologic, subjective, and behavioral effects of amphetamine, methamphetamine, ephedrine, phenmetrazine, and methylphenidate in man. |
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| Unlike the amphetamines and methylphenidate, which are synthetically manufactured, these compounds occur naturally in various plants and have been used by humans for many centuries. |
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| Attention deficit hyperactivity disorder methylphenidate, atomoxetine and dexamphetamine, review no. |
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| The wide CI reflects the rarity of sudden death in those on stimulant medications, with just 10 cases and two controls among 564 matched pairs reported to be taking methylphenidate. |
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| Thus, unlike methylphenidate, which increases dopamine availability primarily by blocking reuptake, amphetamine's effect does not appear to be highly dependent on impulse-released dopamine. |
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| Dyskinetic symptoms in profoundly retarded residents following neuroleptic withdrawal and during methylphenidate treatment. |
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| Prescriptions for methylphenidate drugs, including Ritalin, have been steadily increasing, according to the Care Quality Commission's annual report on controlled drugs. |
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