DEXEDRINE (dextroamphetamine sulfate) is the dextro isomer of the compound d,1-amphetaminesulfate, a sympathomimetic amine of the amphetamine group. Chemically, dextroamphetamine is d-alpha-methylphenethylamine, and is present in all forms of DEXEDRINE as the neutral sulfate. Structural formula:
Each SPANSULE sustained-release capsule is so prepared that an initial dose is released promptly and the remaining medication is released gradually over a prolonged period.
Each capsule, with brown cap and clear body, contains dextroamphetamine sulfate. The 5-mg capsule is imprinted 5 mg and 512 on the brown cap and is imprinted 5 mg and ap on the clear body. The 10-mg capsule is imprinted 10 mg-513-on the brown cap and is imprinted 10 mg-ap-on the clear body. The 15-mg capsule is imprinted 15 mg and 514 on the brown cap and is imprinted 15 mg and ap on the clear body. A narrow bar appears above and below 15 mg and 514. Product reformulation in 1996 has caused a minor change in the color of the time-released pellets within each capsule. Inactive ingredients now consist of cetyl alcohol, D&C Yellow No. 10, dibutyl sebacate, ethylcellulose, FD&C Blue No. 1, FD&C Blue No. 1 aluminum lake, FD&C Red No. 40, FD&C Yellow No. 6, gelatin, hypromellose, polyethylene glycol, povidone, sodium lauryl sulfate, sugar spheres, and trace amounts of other inactive ingredients.