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Hydroxyzine Pamoate

Generic: hydroxyzine pamoate

Verified·Apr 23, 2026
Manufacturer
Pfizer
NDC
51655-847
RxCUI
995253
Route
ORAL
ICD-10 indication
F41.9

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About Hydroxyzine Pamoate

What is this medication? Hydroxyzine pamoate is a prescription medication that belongs to a class of drugs known as antihistamines. It is primarily used to manage symptoms of anxiety and tension in both adults and children. Beyond its psychiatric uses, it is frequently prescribed to provide sedation before or after general anesthesia during medical procedures. It is also effective at treating allergic skin reactions, such as itching, hives, and contact dermatitis, by blocking the natural chemical histamine in the body.

The medication works by decreasing activity in the central nervous system, which helps promote relaxation and drowsiness. Because of its sedating properties, it can also be used as a short-term treatment for insomnia. Common side effects often include dry mouth and sleepiness, so patients are usually advised to avoid activities that require alertness, such as driving, until they know how the drug affects them. It is generally intended for short-term relief and should be taken exactly as directed by a healthcare professional.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for Hydroxyzine Pamoate. Official source: DailyMed (NLM) · Label effective Jan 1, 2026

Indications and usage
INDICATIONS For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested. Useful in the management of pruritus due to allergic conditions such as chronic urticaria and atopic and contact dermatoses, and in histamine-mediated pruritus. As a sedative when used as premedication and following general anesthesia, hydroxyzine may potentiate meperidine (Demerol ® ) and barbiturates, so their use in pre-anesthetic adjunctive therapy should be modified on an individual basis. Atropine and other belladonna alkaloids are not affected by the drug. Hydroxyzine is not known to interfere with the action of digitalis in any way and it may be used concurrently with this agent. The effectiveness of hydroxyzine as an antianxiety agent for long-term use, that is, more than 4 months, has not been assessed by systematic clinical studies. The physician should reassess periodically the usefulness of the drug for the individual patient.
Dosage and administration
DOSAGE For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested: in adults, 50 mg to 100 mg q.i.d.; children under 6 years, 50 mg daily in divided doses; and over 6 years, 50 mg to 100 mg daily in divided doses. For use in the management of pruritus due to allergic conditions such as chronic urticaria and atopic and contact dermatoses, and in histamine-mediated pruritus: in adults, 25 mg t.i.d. or q.i.d.; children under 6 years, 50 mg daily in divided doses; and over 6 years, 50 mg to 100 mg daily in divided doses. As a sedative when used as a premedication and following general anesthesia: 50 mg to 100 mg in adults, and 0.6 mg/kg in children. When treatment is initiated by the intramuscular route of administration, subsequent doses may be administered orally. As with all medications, the dosage should be adjusted according to the patient’s response to therapy.
Contraindications
CONTRAINDICATIONS Hydroxyzine, when administered to the pregnant mouse, rat, and rabbit, induced fetal abnormalities in the rat and mouse at doses substantially above the human therapeutic range. Clinical data in human beings are inadequate to establish safety in early pregnancy. Until such data are available, hydroxyzine is contraindicated in early pregnancy. Hydroxyzine is contraindicated in patients with a prolonged QT interval. Hydroxyzine pamoate is contraindicated for patients who have shown a previous hypersensitivity to any component of this medication. Hydroxyzine is contraindicated in patients with known hypersensitivity to hydroxyzine products, and in patients with known hypersensitivity to cetirizine hydrochloride or levocetirizine hydrochloride.
Warnings
WARNINGS Nursing Mothers It is not known whether this drug is excreted in human milk. Since many drugs are so excreted, hydroxyzine should not be given to nursing mothers.
Adverse reactions
ADVERSE REACTIONS Side effects reported with the administration of hydroxyzine pamoate are usually mild and transitory in nature. Skin and Appendages Oral hydroxyzine hydrochloride is associated with Acute Generalized Exanthematous Pustulosis (AGEP) and fixed drug eruptions in post-marketing reports. Anticholinergic Dry mouth. Central Nervous System Drowsiness is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Involuntary motor activity, including rare instances of tremor and convulsions, has been reported, usually with doses considerably higher than those recommended. Clinically significant respiratory depression has not been reported at recommended doses. Cardiac System QT prolongation, Torsade de Pointes. In post-marketing experience, the following additional undesirable effects have been reported: Body as a Whole Allergic reaction Nervous System Headache Psychiatric Hallucination Skin and Appendages Pruritus, rash, urticaria To report SUSPECTED ADVERSE REACTIONS, contact Sandoz Inc. at 1-800-525-8747 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Medicare Part D coverage

How Hydroxyzine Pamoate appears across Medicare Part D plan formularies nationally. Source: CMS monthly Prescription Drug Plan file (2026-04-30).

Covered by plans

80%

4,384 of 5,509 plans

Most common tier

Tier 1

On 40% of covering formularies

Prior authorization required

44%

of covering formularies

TierFormularies on this tierShare
Tier 1 (preferred generic)108
40%
Tier 2 (generic)31
11%
Tier 3 (preferred brand)80
29%
Tier 4 (non-preferred brand)53
19%

Step therapy: 0% of formularies

Quantity limits: 0% of formularies

Coverage breadth: 272 of 65 formularies

How to read this:plans on the same formulary share tier + PA rules. Your specific plan's copay depends on (a) the tier above, (b) your plan's cost-share for that tier, (c) whether you're in the initial coverage phase or past the 2026 $2,000 out-of-pocket cap. For your exact plan, check its Summary of Benefits or log in to your Medicare.gov account. Copay cards don't apply to Medicare (federal law).

Prior authorization & coverage

PayerPAStep therapyCopay tier

Medicare Part D

Medicare Part D

Medicare Part D

Medicare Part D

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.