Ambien vs. Hydroxyzine
See how Ambien and Hydroxyzine compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Ambien is FDA-approved specifically for short-term insomnia, while hydroxyzine is approved for anxiety, itching, and sedation, with sleep use considered off-label.
Ambien is a Schedule IV controlled substance with a boxed warning for complex sleep behaviors, while hydroxyzine carries no abuse or dependence risk.
Ambien is taken once at bedtime, while hydroxyzine's FDA-approved anxiety dosing calls for up to four doses spread across the day.
Ambien vs. Hydroxyzine Drug Summary
Ambien
Ambien (zolpidem) is a non-benzodiazepine sedative-hypnotic that acts on GABA-A receptors in the brain. It is FDA-approved only for short-term insomnia involving trouble falling asleep, and it is taken as a single tablet once nightly on an empty stomach.
Hydroxyzine
Hydroxyzine is a first-generation antihistamine with sedating and anti-anxiety properties. It is FDA-approved for short-term anxiety, itching from allergic skin conditions, and sedation before or after procedures, and it is typically taken several times a day rather than once at night.
Ambien vs. Hydroxyzine Side Effects
Ambien
Hydroxyzine
Ambien vs. Hydroxyzine Dosage
Ambien
Hydroxyzine
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once nightly | At the start |
| Maximum dose | 10 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 50-100 mg | At the start |
| Maximum dose | 50-100 mg | Same as starting |
| Dose changes | None | Fixed dose |
Ambien
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once nightly | At the start |
| Maximum dose | 10 mg once nightly | If needed |
| Dose changes | 1 increase | As tolerated |
Hydroxyzine
| STAGE | DOSE | WHEN |
| Starting dose | 50-100 mg | At the start |
| Maximum dose | 50-100 mg | Same as starting |
| Dose changes | None | Fixed dose |
Ambien vs. Hydroxyzine Indications
Ambien
Ambien is FDA-approved only for short-term treatment of insomnia involving difficulty falling asleep. It is meant to be used for a limited stretch of time, not as an ongoing nightly medication, and it is not approved for children.
Short-term insomnia (trouble falling asleep)
Immediate-release tablet taken once nightly
Not approved for long-term, chronic use
Not approved for pediatric patients
Hydroxyzine
Hydroxyzine is FDA-approved for short-term anxiety linked to psychoneurosis, itching from allergic skin conditions, and sedation before or after anesthesia. Doctors sometimes prescribe it for sleep because of its sedating effect, but that use is off-label and not on the FDA label.
Anxiety linked to psychoneurosis (short-term)
Itching from allergic skin conditions
Sedation before or after anesthesia
Off-label: sometimes used for sleep
Ambien vs. Hydroxyzine Pros and Cons
Ambien
Ambien is a controlled substance built specifically for sleep onset, with FDA approval only for short-term insomnia. It carries a boxed warning for rare but serious complex sleep behaviors and can become habit-forming with continued use.
Pros
FDA-approved specifically to treat insomnia
Only one dose needed at bedtime, works fast
Not linked to weight gain
Lower dry mouth risk than hydroxyzine
Cons
Schedule IV controlled substance, abuse potential
Boxed warning for sleepwalking, sleep-driving
Not approved for long-term nightly use
Dangerous with alcohol or other sedatives
Hydroxyzine
Hydroxyzine is not a controlled substance and carries no abuse potential, but it was never studied or approved specifically for insomnia. Its sedating effect is a side benefit of a drug built for anxiety and itching, and it is dosed several times a day rather than once.
Pros
Not a controlled substance, no withdrawal risk
Also relieves itching from allergic skin conditions
No boxed warning for sleep-related behaviors
Can be used longer for anxiety under supervision
Cons
Not FDA-approved for insomnia; sleep use is off-label
Needs multiple doses spread across the day
Higher rate of weight gain than Ambien
More trouble concentrating and dry mouth
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