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Last Updated: March 19, 2026

hydroxyzine hydrochloride - Profile


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What are the generic drug sources for hydroxyzine hydrochloride and what is the scope of freedom to operate?

Hydroxyzine hydrochloride is the generic ingredient in five branded drugs marketed by Baxter Hlthcare, Altana, Am Regent, Dr Reddys, Fresenius Kabi Usa, Hospira, Pharmafair, Smith And Nephew, Solopak, Watson Labs, Wyeth Ayerst, Organon Usa Inc, Pfizer, Roerig, Alpharma Us Pharms, Apozeal Pharms, Bionpharma, Chartwell Rx, Hikma, Kv Pharm, Lannett Co Inc, Novitium Pharma, Pai Holdings Pharm, Rising, Able, Actavis Elizabeth, Amneal Pharm, Aurobindo Pharma Ltd, Epic Pharma Llc, Graviti Pharms, Halsey, Heritage, Hetero Labs Ltd Iii, Ivax Pharms, Kvk Tech, Mutual Pharm, Northstar Hlthcare, Nuvo Pharms Inc, Pliva, Prinston Inc, Purepac Pharm, Quantum Pharmics, Sandoz, Somerset Theraps Llc, Strides Pharma Intl, Sun Pharm Inds Inc, Sun Pharm Industries, Superpharm, and Usl Pharma, and is included in one hundred and six NDAs. Additional information is available in the individual branded drug profile pages.

Summary for hydroxyzine hydrochloride
US Patents:0
Tradenames:5
Applicants:49
NDAs:106

US Patents and Regulatory Information for hydroxyzine hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Baxter Hlthcare HYDROXYZINE hydroxyzine hydrochloride INJECTABLE;INJECTION 085551-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Altana HYDROXYZINE HYDROCHLORIDE hydroxyzine hydrochloride INJECTABLE;INJECTION 087273-001 Apr 20, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Altana HYDROXYZINE HYDROCHLORIDE hydroxyzine hydrochloride INJECTABLE;INJECTION 087273-002 Apr 20, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Am Regent HYDROXYZINE HYDROCHLORIDE hydroxyzine hydrochloride INJECTABLE;INJECTION 087408-001 Approved Prior to Jan 1, 1982 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Am Regent HYDROXYZINE HYDROCHLORIDE hydroxyzine hydrochloride INJECTABLE;INJECTION 087408-002 Approved Prior to Jan 1, 1982 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Investment Scenario and Fundamentals Analysis for Hydroxyzine Hydrochloride

Last updated: February 20, 2026

What is the Market Position of Hydroxyzine Hydrochloride?

Hydroxyzine hydrochloride is an antihistamine primarily used for allergy relief, anxiety, and sedation. It is approved by the FDA and marketed globally, with several generic versions available. The drug has a well-established safety profile and long-standing clinical use, establishing its core position within antihistamines and anxiolytic treatments.

What Are the Key Market Dynamics?

Market Size and Trends

  • The global antihistamine market was valued at approximately USD 3.5 billion in 2021.
  • Hydroxyzine hydrochloride accounts for roughly 15-20% of this market, with a specific focus on prescriptions for allergies and anxiety.
  • The market is expected to grow at a CAGR of 5-7% through 2028, driven by increased allergy prevalence, aging populations, and mental health awareness.

Competitive Landscape

  • Major pharmaceutical companies like Allergan (AbbVie), Mylan, and Teva produce generic hydroxyzine formulations.
  • Patents have expired, leading to patent cliff effects and increased generic penetration.
  • Drug price pressures are intense, with generics priced substantially lower than branded products.

Regulatory and Clinical Factors

  • Hydroxyzine hydrochloride’s patent expiration occurred approximately a decade ago.
  • Clinical guidelines endorse its use for allergic conditions, anxiety, and premedication protocols.
  • Regulatory pathways for new formulations or combination drugs are straightforward but face competition from existing therapies.

How Do Economics and Cost Factors Impact Investment?

Manufacturing and Development

  • Production costs are low due to established synthesis routes.
  • No significant R&D is needed for existing formulations; focus is on manufacturing efficiency and quality control.
  • Regulatory approval for generics is expedited with FDA and EMA pathways, reducing time-to-market.

Pricing and Reimbursement

  • Price erosion from generic competition constrains profit margins.
  • Reimbursement policies vary by country, often favoring generics to reduce healthcare costs.
  • In the U.S., Medicare and Medicaid reimbursement policies reinforce low pricing for generics.

Market Entry Barriers

  • Minimal barriers due to generic availability.
  • Investment strategies must focus on manufacturing scale, quality, and market penetration.

Risks and Opportunities

Risks

  • Competition from newer antihistamines with better efficacy or safety profiles.
  • Price erosion from softening of generic margins.
  • Regulatory changes affecting pricing or reimbursement policies.

Opportunities

  • Development of new formulations with extended-release profiles.
  • Potential growth in niche markets, such as pediatric or psychiatric uses.
  • Expansion into developing markets with increasing healthcare infrastructure.

Investment Considerations

  • Hydroxyzine hydrochloride's market is mature; growth relies on volume increases rather than price.
  • Companies should focus on cost-efficient manufacturing, regulatory compliance, and market share expansion.
  • The drug’s long-standing clinical use supports stable cash flows, but low margins limit high-return opportunities.

Key Financial Metrics and Valuations

Metric Data (Estimated)
Current Market Size USD 0.5 - 0.7 billion (global)
Growth Rate 5-7% CAGR (2022-2028)
Production Cost <$1 per unit
Average Price (generic) USD 0.10 – 0.50 per tablet
Patent Status Expired (circa 2013)

Regulatory Outlook

  • Continued approval pathways for generic manufacturing.
  • Future formulations or delivery methods require additional clinical trial data but face stiff competition.

Final Takeaway

Hydroxyzine hydrochloride has a stable, low-growth market dominated by generics. Investment focus should center on manufacturing efficiency, geographic expansion into emerging markets, and potential niche applications. The overall outlook is steady but constrained by low margins and intense competition.

Key Takeaways

  • The drug's market is mature, with stable but limited growth prospects.
  • Generics dominate, pressuring margins but reducing R&D risks.
  • Cost-efficient manufacturing and market segmentation are critical.
  • Price erosion remains a core risk, especially as new antihistamines evolve.
  • Limited scope for high-affinity new drug development without significant innovation.

Frequently Asked Questions

Q1: Is hydroxyzine hydrochloride suitable for long-term investment?
A1: It is suitable for stable income but offers limited growth potential due to market saturation.

Q2: What are the main growth drivers?
A2: Market expansion into developing countries and development of new formulations.

Q3: What regulatory hurdles exist?
A3: Minimal for generics; complex for new formulations requiring additional clinical trials.

Q4: How does pricing impact profitability?
A4: Generics have low prices, constraining profit margins but providing volume-based revenues.

Q5: Can hydroxyzine hydrochloride be combined with newer drugs?
A5: Yes; combination formulations could create niche markets but require clinical development.


References

[1] MarketsandMarkets. (2022). Antihistamines Market by Type. Retrieved from https://www.marketsandmarkets.com.
[2] U.S. Food and Drug Administration. (2021). Drug Approvals and Patent Data.
[3] EvaluatePharma. (2022). Pharmaceutical Market Data.
[4] European Medicines Agency. (2022). Regulatory Guidelines for Generics.

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