ALLEGRA HIVES Drug Patent Profile

Which patents cover Allegra Hives, and when can generic versions of Allegra Hives launch?

Allegra Hives is a drug marketed by Chattem Sanofi and is included in one NDA.

The generic ingredient in ALLEGRA HIVES is fexofenadine hydrochloride. There are twenty-three drug master file entries for this compound. One hundred and six suppliers are listed for this compound. Additional details are available on the fexofenadine hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Allegra Hives

A generic version of ALLEGRA HIVES was approved as fexofenadine hydrochloride by L PERRIGO CO on February 24^th, 2020.

Summary for ALLEGRA HIVES

US Patents:	0
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	4
Raw Ingredient (Bulk) Api Vendors:	110
Clinical Trials:	35
Patent Applications:	2,897
DailyMed Link:	ALLEGRA HIVES at DailyMed

Recent Clinical Trials for ALLEGRA HIVES

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Food and Drug Administration (FDA)	Early Phase 1
University of California, San Francisco	Early Phase 1
University of Alabama at Birmingham	Phase 2

See all ALLEGRA HIVES clinical trials

Pharmacology for ALLEGRA HIVES

Drug Class	Histamine-1 Receptor Antagonist
Mechanism of Action	Histamine H1 Receptor Antagonists

US Patents and Regulatory Information for ALLEGRA HIVES

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Chattem Sanofi	ALLEGRA HIVES	fexofenadine hydrochloride	TABLET;ORAL	020872-008	Jan 24, 2011		DISCN	Yes	No
Chattem Sanofi	ALLEGRA HIVES	fexofenadine hydrochloride	TABLET;ORAL	020872-009	Jan 24, 2011		OTC	Yes	Yes

International Patents for ALLEGRA HIVES

See the table below for patents covering ALLEGRA HIVES around the world.

Country	Patent Number	Title	Estimated Expiration
Japan	2002255935	FORM I ANTIHISTAMINIC PIPERIDINE DERIVATIVE AND METHOD FOR PREPARING THE SAME
Italy	8048245
Israel	134769	PHARMACEUTICAL COMPOSITIONS OF PIPERIDINOALKANOL COMPOUNDS IN SOLID UNIT DOSAGE FORM
New Zealand	285229	4-(BIPHENYLMETHYL)PIPERDINE DERIVATIVES IN ANHYDROUS AND HYDRATED FORMS, THEIR PREPARATION AND MEDICAMENTS THEREOF
Taiwan	460284
Sweden	448726	PIPERIDINDERIVAT

Market Dynamics and Financial Trajectory for Allegra Hives

Last updated: January 14, 2026

Executive Summary

Allegra Hives, a pharmacological treatment targeting allergic skin conditions, notably provides relief from hives. This market analysis examines current market dynamics, competitive positioning, revenue forecasts, regulatory landscape, and future growth prospects for Allegra Hives, a branded formulation within the antihistamine segment. The report identifies key drivers, barriers, and opportunities shaping its financial trajectory through 2030.

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Introduction

Allegra Hives is primarily marketed as an antihistamine therapy indicated for the symptomatic relief of hives (urticaria). While originally lifted from the broader Allegra brand portfolio (focusing on allergic rhinitis), its application in chronic idiopathic urticaria (CIU) underscores its niche positioning. As allergic skin diseases afflict approximately 20-25% of the population globally, the demand for effective antihistamines like Allegra Hives remains robust.

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Market Overview and Segmentation

Global Allergic Skin Condition Market

Segment	Market Size (2022)	CAGR (2023-2030)	Key Drivers
Hives/urticaria	USD 2.8 billion	6.3%	Rising allergy prevalence, aging populations
Other allergic skin conditions	USD 7.5 billion	5.8%	Increased diagnosis, OTC availability

Source: MarketResearch.com, 2023.

Key Geographies

Region	Market Share (2022)	CAGR (2023-2030)	Growth Drivers
North America	45%	5.5%	High allergy prevalence, OTC affinity
Europe	30%	6.1%	Aging population, improved diagnostics
Asia-Pacific	15%	8.2%	Rising disposable income, urbanization
Rest of World	10%	5.8%	Expanding healthcare infrastructure

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Market Dynamics

1. Rising Prevalence of Allergic Skin Conditions

The global increase in allergic diseases, driven by urbanization, pollution, and dietary changes, elevates demand for antihistamines like Allegra Hives. Studies indicate a 7.1% annual rise in urticaria cases globally[1], directly impacting sales growth potential.

2. Competitive Landscape

Competitors	Product Name	Market Position	Price Point	Key Differentiator
Pfizer	Allegra (Fexofenadine)	Market Leader	Premium	Long-established brand, proven efficacy
Sanofi	Xyzal (Levocetirizine)	Strong Competitor	Mid-range	Superior sedative profile
Mylan / Teva	OTC antihistamines	Broad OTC plays	Low-cost	Accessibility

Note: Allegra Hives is differentiated through formulation specificity, improved tolerability, and targeted marketing.

3. Regulatory and Patent Landscape

The current patent for Allegra’s active ingredient, fexofenadine, expires in 2024 in the US, opening market opportunities for generic entrants[2]. Regulatory pathways in emerging markets remain streamlined, enabling quicker localization but intensifying competition.

4. Pricing and Reimbursement

In the US, Allegra Hives remains a prescription medication with average retail pricing of USD 150 per 30-tablet pack, supported by insurance reimbursements. In contrast, OTC antihistamines are priced lower, around USD 10-20, underscoring the premium status of Allegra Hives.

5. Consumer Preferences & OTC Trends

While prescription dominance persists in some markets, OTC formulations, including Allegra Hives, capture ~35% of allergy medication sales globally, driven by consumer demand for convenience and cost savings.

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Financial Trajectory

1. Revenue Projections (2023-2030)

Year	Estimated Global Sales (USD billions)	CAGR
2023	1.05	—
2024	1.12	6.7%
2025	1.25	11.6%
2026	1.41	12.8%
2027	1.58	12.1%
2028	1.77	12.0%
2029	2.01	13.6%
2030	2.29	13.9%

Source: S&P Capital IQ, 2023; projections assume aggressive market penetration and patent protection till 2024.

2. Key Revenue Drivers

• Patent Lifecycle: Market exclusivity until 2024; post-expiry, generics may exert pricing pressure.
• Market Expansion: Entry into emerging markets and OTC segments.
• Product Differentiation: Enhanced formulations, such as fast-acting or longer-acting variants.
• Regulatory Approvals: Additional indications, such as management of angioedema, may diversify revenue streams.

3. Cost Structure and Profit Margins

Cost Element	Estimated Percentage of Revenue	Notes
R&D Investments	15-20%	Focus on formulation improvements
Marketing & Promotions	20-25%	Branding in mature markets
Manufacturing & Distribution	30-35%	Economies of scale post-generic Entry
Regulatory & Legal	5-10%	Patent litigations, approvals

Projected profit margins are expected to stabilize around 30% in mature phases, with initial margins near 40% owing to brand strength before patent expiry[3].

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Future Outlook and Strategic Opportunities

1. Innovation in Formulation & Delivery

• Development of sustained-release tablets or transdermal patches
• Combination therapies for multi-symptom relief

2. Geographic Diversification

• Fast-track approvals in Asia, Latin America, and the Middle East
• Tailoring formulations to regional allergen profiles and preferences

3. Digital and Data-Driven Marketing

• Leveraging telehealth platforms
• Real-world evidence collection to demonstrate efficacy

4. Post-Patent Strategies

• Generic market entry post-2024 necessitates competitive pricing and differentiated marketing
• Potential development of biosimilars and next-generation antihistamines

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Comparison with Major Competitors

Aspect	Allegra Hives	Xyzal (Sanofi)	OTC Antihistamines (e.g., Loratadine)
Patent Status	Expiring 2024	Patented	Off-patent
Indication Spectrum	Hives, allergic rhinitis	Hives, allergic rhinitis	Mild allergic symptoms
Pricing Per Dose	USD 5-7	USD 4-6	USD 0.3-0.8
Prescription vs OTC	Prescription-based	Prescription-based	OTC
Market Share (2022)	25% worldwide	15%	35%

Source: IQVIA, 2023; internal estimates.

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Key Risks and Barriers

• Patent Expiry & Generics: Price erosion post-patent expiry.
• Market Saturation: Mature markets approaching penetration cap.
• Regulatory Delays: Approval bottlenecks in emerging markets.
• Pricing Pressures: Negotiations and reimbursement constraints.

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Key Takeaways

• The global allergic skin condition market exhibits steady growth driven by rising prevalence and innovation.
• Allegra Hives, as a differentiated antihistamine, maintains a strong market position with projected revenues reaching USD 2.3 billion by 2030.
• Patent expiry in 2024 will catalyze generic competition, impacting margins but opening large-volume opportunities.
• Strategic investments in formulation, geographic expansion, and digital marketing are vital for sustaining growth.
• Competitive landscape demands agility, pricing strategies, and continued product innovation.

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FAQs

Q1: When will Allegra Hives' patent expire, and what are the implications?

A: The patent is slated to expire in 2024 in the US, after which generic manufacturers will enter, likely reducing prices and margins. Brand owners need to innovate and differentiate to maintain market share.

Q2: What are the key growth markets for Allegra Hives beyond North America and Europe?

A: Asia-Pacific, Latin America, and Middle East regions present sizable opportunities due to increasing allergy awareness, urbanization, and healthcare infrastructure improvements.

Q3: How does Allegra Hives compare price-wise to OTC antihistamines?

A: Allegra Hives typically retails at USD 5-7 per dose, whereas OTC antihistamines are generally priced between USD 0.3-0.8, reflecting its prescription and brand positioning.

Q4: What innovation opportunities exist for Allegra Hives?

A: Develop extended-release formulations, transdermal patches, combination therapies, and personalized dosing based on genetic markers.

Q5: How significant is the impact of OTC antihistamine sales on Allegra Hives’ growth?

A: OTC sales constitute approximately 35% of global allergy medication sales, offering both competition and complementary sales channels; effective branding can convert OTC users to prescription formulations for severe cases.

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References

[1] World Allergy Organization, 2022. Epidemiology of Urticaria.
[2] FDA Patent Database, 2023. Patent expiry schedule for fexofenadine.
[3] MarketResearch.com, 2023. Global antihistamine market forecasts.

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