Ambien Cr

  • Sleep-wake disorders

Ambien Cr Generic Name & Formulations

General Description

Zolpidem tartrate 6.25mg, 12.5mg; ext-rel tabs.

Pharmacological Class

Imidazopyridine hypnotic.

See Also

How Supplied

CR tabs—100; tabs—100


Generic Availability


Ambien Cr Indications


Insomnia (w. difficulties in sleep onset and/or sleep maintenance).

Ambien Cr Dosage and Administration


Use lowest effective dose for shortest duration. Swallow whole. Effects delayed if taken with or after a meal. Take once per night immediately before bedtime (with at least 7–8hrs remaining before planned time of awakening). Women: initially 6.25mg. Men: initially 6.25mg or 12.5mg. Both: if 6.25mg ineffective, may increase to max 12.5mg. Elderly, debilitated, or mild to moderate hepatic impairment: 6.25mg.


<18yrs: not recommended.

Ambien Cr Contraindications


Prior history of complex sleep behaviors with Ambien or Ambien CR.

Ambien Cr Boxed Warnings

Boxed Warning

Complex sleep behaviors.

Ambien Cr Warnings/Precautions


Risk of complex sleep behaviors (eg, sleep-walking, sleep-driving, engaging in other activities while not fully awake); discontinue immediately if occur. Monitor for CNS depressant effects and next-day impairment. Evaluate for co-morbid diagnoses (eg, physical and/or psychiatric disorders) prior to treatment. Reevaluate if insomnia fails to remit after 7–10 days of use. Depression. Suicidal tendencies. Evaluate any new onset of behavioral changes. Compromised respiratory function. Sleep apnea. Myasthenia gravis. Drug or alcohol abuse. Avoid in severe hepatic impairment; may contribute to encephalopathy. Avoid abrupt cessation. Write ℞ for smallest practical amount. Elderly (higher risk of falls). Debilitated. Pregnancy: monitor neonates. Nursing mothers: monitor infants (consider interrupting breastfeeding or pumping/discarding breast milk during and for 23hrs after administration).

Ambien Cr Pharmacokinetics

See Literature

Ambien Cr Interactions


Concomitant other sedative-hypnotics including other zolpidem products: not recommended. Potentiates CNS depression with alcohol, other CNS depressants (eg, benzodiazepines, opioids, tricyclics); adjust dose. May increase risk of respiratory depression with opioids; limit dose/duration of concomitant use. May be potentiated by CYP3A4 inhibitors (eg, ketoconazole; consider lower zolpidem dose), sertraline. May be antagonized by CYP3A4 inducers (eg, rifampin, St. John's wort); avoid concomitant use. Decreased alertness with imipramine, chlorpromazine.

Ambien Cr Adverse Reactions

Adverse Reactions

Headache, next-day somnolence, drowsiness, dizziness, diarrhea, drugged feelings (long-term); abnormal thinking and behavioral changes; rare: anaphylaxis, angioedema (do not rechallenge).

Ambien Cr Clinical Trials

See Literature

Ambien Cr Note

Not Applicable

Ambien Cr Patient Counseling

See Literature