Vistaril Shortage: What Providers and Prescribers Need to Know in 2026

Hydroxyzine (Vistaril) has been subject to ongoing supply disruptions since 2019. As a prescriber, understanding the nuances of this shortage — particularly the distinction between formulations, salt forms, and available generic manufacturers — is essential to helping your patients access this medication. This guide provides a clinical overview of the current situation and practical guidance for managing affected patients.

Current Availability Status (2026)

The availability picture for hydroxyzine varies significantly by formulation:

Hydroxyzine pamoate capsules (Vistaril equivalent): ASHP shortage bulletin active since March 2019. Pfizer (brand Vistaril) is no longer marketing this product. Generics available from Amneal, Teva, Sandoz, Chartwell. Distribution is uneven; localized stock-outs are common. Note: Avet's generic received a BX rating in September 2021 and is no longer considered therapeutically equivalent.

Hydroxyzine HCl tablets: No current shortage. Multiple manufacturers. Generally widely stocked. This is the preferred fallback prescription when pamoate capsules are unavailable.

Hydroxyzine HCl injection: Persistent shortage. American Regent is the sole U.S. supplier and has experienced manufacturing delays. Particularly impactful for anesthesia and procedural sedation contexts.

Clinical Distinction: Pamoate vs. HCl

Hydroxyzine pamoate and hydroxyzine hydrochloride deliver the same active drug and are therapeutically equivalent for anxiety, pruritus, and sedation. The difference is the salt form, which affects formulation:

Pamoate: Available as capsules and oral suspension. Subject to shortage.

HCl: Available as tablets (10 mg, 25 mg, 50 mg) and oral syrup (10 mg/5 mL). More widely stocked.

For most outpatient patients taking hydroxyzine for anxiety or allergic pruritus, switching from hydroxyzine pamoate capsules to hydroxyzine HCl tablets at the equivalent dose is clinically appropriate and requires only a prescription update. Documenting this rationale in the chart is good practice.

Therapeutic Alternatives by Indication

If hydroxyzine in all oral forms is unavailable or unsuitable, consider the following alternatives:

For anxiety (short-term, as-needed):

Buspirone 5-15 mg TID for ongoing treatment (2-4 week onset; not for acute relief)

Propranolol 10-40 mg PRN for situational/somatic anxiety symptoms (off-label; non-controlled)

Short-term low-dose benzodiazepine (lorazepam 0.5-1 mg, diazepam 2-5 mg) for acute situations — Schedule IV, use with caution and document rationale

For anxiety (long-term, maintenance):

SSRI (sertraline, escitalopram, fluoxetine) — first-line for GAD, widely available as generics

SNRI (venlafaxine XR, duloxetine) — FDA-approved for GAD

For allergic pruritus / urticaria:

Cetirizine 10 mg daily (OTC, second-generation, minimal sedation)

Loratadine 10 mg daily (OTC, non-sedating)

Fexofenadine 180 mg daily (OTC, minimal sedation, minimal interactions)

For preoperative sedation (injectable shortage):

Midazolam (where available) — most common alternative for procedural anxiolysis

Lorazepam oral/IV — reasonable alternative depending on clinical context

Prescribing Recommendations to Improve Fillability

The following prescribing practices can significantly reduce the likelihood your patient will have trouble filling their hydroxyzine prescription:

Write for "hydroxyzine HCl tablets" rather than "hydroxyzine pamoate capsules" or "Vistaril" when the HCl form is clinically acceptable — it is far more consistently available.

If writing for pamoate, note "Substitution permitted" and indicate that hydroxyzine HCl tablets are an acceptable generic substitute.

Communicate to patients that "Vistaril" by brand name may not be findable and that generic hydroxyzine is equivalent.

How medfinder Can Help Your Patients

For patients struggling to locate hydroxyzine in stock, medfinder for providers allows you to direct patients to a service that calls pharmacies near them and texts them results. This reduces patient frustration, decreases calls back to your office, and helps ensure continuity of care when the drug is hard to find at a particular pharmacy.

For a detailed workflow guide, see our provider's guide to helping patients find Vistaril in stock.