Monograph Details
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Central Nervous System
> ADHD/narcolepsy
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DEXTROSTAT |
| Manufacturer |
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Shire US, Inc. |
| Legal Classification |
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CII |
| Pharmacological Class |
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Amphetamine. |
| Generic Name |
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Dextroamphetamine sulfate 5mg (scored), 10mg (double-scored); tabs; contains tartrazine. |
| Indications |
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Attention deficit hyperactivity disorder. Narcolepsy. |
| Children |
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Avoid late evening doses; give first dose upon awakening and 1–2 more doses 4–6 hrs apart. ADHD: <3yrs: not recommended. 3–5yrs: initially 2.5mg daily; may increase by 2.5mg at weekly intervals. ≥6yrs: initially 5mg 1–2 times daily; may increase by 5mg at weekly intervals; usual max 40mg/day. Narcolepsy: <6yrs: not recommended. 6–12yrs: initially 5mg daily; may increase by 5mg at weekly intervals. ≥12yrs: initially 10mg daily; may increase by 10mg at weekly intervals. |
| Adults |
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Avoid late evening doses. Narcolepsy: 5–60mg daily in divided doses. |
| Contraindications |
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Advanced arteriosclerosis. Cardiovascular disease. Moderate to severe hypertension. Hyperthyroidism. Glaucoma. Drug or alcohol abuse. Agitation. During or within 14 days of MAOIs. Hypersensitivity to sympathomimetics. |
| Precautions |
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Tourette's syndrome. Psychosis. Asthma. Mild hypertension. Seizure disorders. Monitor growth in children. Reevaluate need for therapy after drug-free interval. Prescribe limited quantity. Pregnancy (Cat.C). Nursing mothers: not recommended. |
| Interactions |
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Hypertensive crisis with MAOIs: see Contraindications. Potentiated by urinary alkalinizers (e.g., some thiazides), tricyclic antidepressants, propoxyphene. Potentiates meperidine, norepinephrine, phenobarbital, phenytoin. Antagonized by acidifiers, psychotropics, lithium. Antagonizes adrenergic blockers, sedatives, antihypertensives. Monitor phenytoin, ethosuximide, phenobarbital. Convulsions with propoxyphene overdose and amphetamines. May interfere with urinary steroid tests. |
| Adverse Reactions |
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Hypertension, tachycardia, CNS overstimulation, dry mouth, GI disorders, anorexia, urticaria. |
| How Supplied |
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Tabs—100 |
| Additional Resources |
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• Related Prescribing Note |
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