TABLE 2

Drugs to treat excessive daytime sleepiness in narcolepsy

MedicationDosageSide effects and federal schedule
Modafinil100–400 mg/day in 2 divided dosesHeadache, anxiety, nausea, dry mouth, anorexia, diarrhea, reduction of efficacy of oral contraceptives, Stevens-Johnson syndrome (rare)
Schedule IVa
Armodafinil150-250 mg once daily in the morningSame as modafinil Schedule IV
MethylphenidateImmediate-release: 5 mg twice daily titrated up by 5-10 mg per dose weekly up to to 10-20 mg twice daily; once on stable dose, transition to extended- or sustained-release formulationHeadache, anxiety, nausea, anorexia, tremor, psychosis, cardiovascular effects like hypertension and arrhythmias, abuse (rare)
Schedule IIb
DextroamphetamineShort-acting: 5 mg twice daily titrated up by 5-10 mg per dose weekly up to 30 mg twice daily; once on stable dose, transition to long-acting formulationHeadache, anxiety, nausea, anorexia, tremor, psychosis, cardiovascular effects like hypertension and arrhythmias, abuse (rare)
Schedule II
Amphetamine/dextroamphetamineShort-acting: 5–10 mg daily titrated up by 10 mg weekly up to 60 mg/ day or satisfactory clinical response; may add additional doses 4–6 hours after first dose; once on stable dose, transition to long-acting formulationHeadache, anxiety, nausea, anorexia, tremor, psychosis, cardiovascular effects like hypertension and arrhythmias, abuse (rare)
Schedule II
  • a Schedule IV drugs have a low potential for abuse and low risk of dependence. See www.dea.gov/druginfo/ds.shtml.

  • b Schedule II drugs have a high potential for abuse, with use potentially leading to severe psychological or physical dependence.