Absorption: Rapidly absorbed following oral administration. Controlled-release formulation releases 10 mg immediately, then another 2.5 mg later.
Distribution: Unknown.
Metabolism/Excretion: Converted to inactive metabolites, which are excreted by the kidneys; clearance of sublingual tablet lower in women than in men.
Half-life: 2.53 hr (↑ in older adults and patients with hepatic impairment).
(sedation)
ROUTE | ONSET | PEAK* | DURATION |
---|---|---|---|
PO | rapid | 30 min2 hr | 68 hr |
PO-ER | rapid | 24 hr | 68 hr |
SL | rapid | unknown | unknown |
Contraindicated in:
Use Cautiously in:
EENT: blurred vision, double vision.
GI: diarrhea, nausea, vomiting.
Neuro: daytime drowsiness, dizziness, abnormal thinking, agitation, amnesia, behavior changes, COMPLEX SLEEP BEHAVIORS (INCLUDING SLEEP DRIVING, SLEEP WALKING, OR ENGAGING IN OTHER ACTIVITIES WHILE SLEEPING), delirium, hallucinations, prolonged reaction time.
Resp: respiratory depression.
Misc: (INCLUDING ANAPHYLAXIS)HYPERSENSITIVITY REACTIONS , physical dependence, psychological dependence, tolerance.
Drug-Drug:
Drug-Natural Products:
Drug-Food:
(Generic available)