Xanax vs. Vistaril

See how Xanax and Vistaril compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Xanax is a Schedule IV benzodiazepine with a boxed warning for abuse and dependence, while Vistaril is an antihistamine with no controlled substance status.

  • Both drugs can ease anxiety symptoms, but they work through completely different mechanisms and have different side effect profiles.

  • Xanax is approved specifically for panic disorder and short-term anxiety, while Vistaril's label also covers allergic itching and pre-surgery sedation.

Xanax vs. Vistaril Drug Summary

Xanax

Xanax (alprazolam) is a fast-acting benzodiazepine used to treat generalized anxiety disorder and panic disorder. It works by boosting the calming effect of a brain chemical called GABA. Most people take it two to four times a day as a regular tablet.

Vistaril

Vistaril (hydroxyzine pamoate) is an antihistamine used to relieve anxiety and tension, as well as itching from allergic skin conditions. It is taken as an oral capsule or liquid, usually several times a day. It is also used for sedation before and after general anesthesia.

Xanax vs. Vistaril Side Effects

Xanax

Most common
Drowsiness (up to 77%)
Impaired coordination (up to 40%)
Memory impairment (up to 33%)
Dizziness (up to 30%)

Vistaril

Most common
Drowsiness (most common)
Dry mouth (not specified)
Pruritus (not specified)
Rash (not specified)

Xanax vs. Vistaril Dosage

Xanax

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 0.25-0.5 mg 3x daily At the start
Maximum dose Up to 10 mg/day divided If needed
Dose changes 3 increases As tolerated

Vistaril

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 50-100 mg 4 times daily At the start
Maximum dose 50-100 mg daily divided If needed
Dose changes 2 increases As tolerated

Xanax vs. Vistaril Indications

Xanax

Xanax is FDA approved for two conditions: generalized anxiety disorder and panic disorder, with or without agoraphobia. It is meant for short-term relief of anxiety symptoms rather than open-ended daily use in most patients.

  • Acute treatment of generalized anxiety disorder in adults

  • Panic disorder, with or without agoraphobia

  • Not approved for depression, insomnia, or itching

  • Schedule IV controlled substance due to misuse risk

Vistaril

Vistaril is FDA approved for anxiety and tension linked to psychoneurosis, and as an add-on for anxiety tied to a physical illness. It also treats itching from allergic skin conditions and provides sedation before and after general anesthesia.

  • Anxiety and tension associated with psychoneurosis

  • Adjunct treatment for anxiety linked to organic illness

  • Itching from chronic hives, dermatitis and other allergies

  • Sedation before and after general anesthesia

Xanax vs. Vistaril Pros and Cons

Xanax

Xanax works quickly, often within an hour, which makes it useful for sudden panic attacks. It is a Schedule IV controlled substance with a boxed warning covering abuse, dependence, and dangerous interactions with opioids. As a widely used generic, it's usually easy to find at any pharmacy.

Pros

  • Fast onset, often within 15-60 minutes, useful for acute panic

  • FDA-approved specifically for panic disorder, unlike Vistaril

  • Widely available as a low-cost generic at most pharmacies

  • No dry-mouth or anticholinergic burden like Vistaril has

Cons

  • Controlled substance with real risk of dependence and misuse

  • Carries a boxed warning for abuse and opioid interactions

  • Not approved for allergic itching or pre-surgery sedation

  • Needs a gradual taper; stopping abruptly can trigger seizures

Vistaril

Vistaril carries no boxed warning and has little potential for abuse or dependence, since it is not a controlled substance. Its label is broader than Xanax's, covering both anxiety and allergic itching. It generally needs dosing multiple times a day rather than as-needed use.

Pros

  • Not a controlled substance, so no dependence or misuse risk

  • No boxed warning, unlike Xanax's abuse and opioid warning

  • Also FDA approved to treat itching from allergic skin conditions

  • Can double as sedation before and after anesthesia

Cons

  • Slower onset, less useful for a sudden panic attack

  • Usually dosed up to four times daily rather than as-needed

  • Carries its own warning about QT prolongation

  • Not approved specifically for panic disorder like Xanax is

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