Pet Allergy Treatment Market Size and Share

Pet Allergy Treatment Market (2025 - 2030)
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Pet Allergy Treatment Market Analysis by Mordor Intelligence

The Pet Allergy Treatment Market size is estimated at USD 2.33 billion in 2025, and is expected to reach USD 3.12 billion by 2030, at a CAGR of 5.97% during the forecast period (2025-2030).

Rising medicalization of companion-animal care, deeper human–animal bonds, and wider insurance coverage collectively strengthen the pet allergy treatment market growth outlook. Demand concentrates around oral antihistamines, yet pipeline originality in Janus kinase (JAK) inhibitors and microbiome-based therapeutics is shifting clinician preference toward precision interventions. Dogs remain the largest treated population, but feline cases accelerate as diagnostics improve and households diversify their pet mix. Geographically, North America leads revenue, whereas Asia-Pacific posts the quickest expansion thanks to urban pet humanization and widening middle-class disposable income. Rapid digitalization and tele-veterinary adoption extend therapeutic reach, enabling owners to access prescriptions and follow-up care online, which further fuels the pet allergy treatment market trajectory.

Key Report Takeaways

  • By drug class, antihistamines led with 35.17% revenue share in 2024, while immunotherapy posted the highest 7.02% CAGR through 2030. 
  • By pet type, dogs accounted for 62.51% of the pet allergy treatment market share in 2024; cats represent the fastest growing segment at an 8.79% CAGR to 2030. 
  • By route of administration, oral products held 41.82% share of the pet allergy treatment market size in 2024, whereas sublingual delivery is set to expand at 8.49% CAGR. 
  • By distribution channel, veterinary clinics secured 48.34% revenue share in 2024, but online pharmacies show the strongest 8.14% CAGR through 2030. 
  • By geography, North America captured 44.24% market share in 2024, yet Asia-Pacific is projected to register the highest 9.37% CAGR during the forecast period.

Segment Analysis

By Drug Class: JAK Inhibitors Drive Innovation

Antihistamines retained leadership with 35.17% revenue in 2024, underscoring their role as affordable first-line medications. However, the pet allergy treatment market size for immunotherapy is forecast to rise at 7.02% CAGR as owners seek durable control. The competitive narrative centers on JAK inhibition; Zenrelia attained 77% normal-itch outcomes compared with 53% for prior options. Over-reliance on corticosteroids declines due to metabolic side effects, while monoclonal antibodies such as Cytopoint keep 87% of dogs below baseline pruritus at 12 months. Another horizon involves probiotics that modulate immune signaling, signaling a new evidence-based layer of therapy. Pharmaceutical firms invest in differentiated mechanisms to erode antihistamine dominance and re-shape future revenue mixes within the pet allergy treatment market.

Pipeline maturity determines near-term revenue distribution. Antihistamine revenues are steady but show limited growth potential, whereas JAK inhibitors and biologics attract strategic capital expenditure, including a USD 130 million monoclonal facility expansion by Elanco to safeguard supply continuity. Topical agents and combination packs occupy niche care pathways for localized or multi-symptom cases. The interplay of efficacy, safety, and cost will dictate future shifts in pet allergy treatment market share among drug classes.

Pet Allergy Treatment Market: Market Share by Drug Class
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By Pet Type: Feline Market Acceleration

Dogs generated 62.51% of 2024 revenue, anchored by higher diagnosed prevalence and treatment acceptance. Still, cats record the fastest 8.79% CAGR as diagnostic awareness grows. Education material now emphasizes subtle feline signs, encouraging earlier presentations. This uptake enhances the pet allergy treatment market size for feline care and incentivizes manufacturers to tailor flavoring and dosing formats. The canine segment maintains an expansive research base; 17 million U.S. dogs present chronic dermatitis, highlighting ongoing volume potential.

Smaller companion species such as rabbits enter clinical focus, reflecting broader diversification in pet ownership. Their inclusion broadens the addressable market but requires novel formulations and packaging. Compliance challenges vary by species; injectable or transdermal options often supersede tablets for cats, reshaping product development priorities. Overall, broadening species coverage sustains long-term demand for the pet allergy treatment market.

By Route of Administration: Sublingual Innovation

Oral products commanded 41.82% of revenue in 2024 due to familiarity and at-home convenience. Sublingual immunotherapy, however, posts an 8.49% CAGR, delivering 80% clinical benefit while avoiding injection discomfort. The pet allergy treatment market size generated by injectables remains stable for severe cases demanding immediate onset. Topical formats serve localized lesions but face variable absorption.

Innovation in drug delivery aims to tackle adherence barriers. Transdermal patches and depot injections cut dose frequency, aiding owner compliance. Veterinarians adopt an individualized approach, aligning route choice with temperament, allergy severity, and caretaker capacity. Consequently, channel strategy and product messaging increasingly emphasize flexibility and lifestyle fit within the pet allergy treatment market.

Pet Allergy Treatment Market: Market Share by Route of Administration
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By Distribution Channel: Digital Disruption

Veterinary clinics retained 48.34% revenue in 2024, leveraging diagnostic infrastructure and professional counsel. Online pharmacies, though, deliver an 8.14% CAGR, benefitting from one-click refill convenience and competitive pricing. Legislative changes, such as the Fairness to Pet Owners Act, could compel prescribers to provide written scripts, intensifying channel competition. Retail chains stock USD 4 generics, challenging clinic margins and reshaping buyer expectations.

Still, complex biologics often require cold-chain logistics and professional administration, anchoring them within clinic and hospital channels. Hybrid tele-vet models combine virtual consults with doorstep drug delivery, fulfilling chronic therapy needs while sustaining professional oversight. These shifts diversify revenue streams and broaden patient access across the pet allergy treatment market.

Geography Analysis

North America held 44.24% revenue in 2024, buoyed by sophisticated veterinary infrastructure and pet health spending. Insurance premiums plus clear FDA pathways foster rapid uptake of novel JAK inhibitors and monoclonal antibodies. Canada benefits from growing specialty referral networks, while Mexico’s maturing middle class drives outpatient allergy care.

Europe manifests steady growth under a harmonized regulatory umbrella. EMA approvals such as Emevet illustrate a healthy development pipeline. Nordic countries demonstrate the correlation between high insurance penetration and advanced therapy adoption, evidenced by Sweden’s projected premium volume. Eastern Europe lags but registers incremental opportunities as GDP per capita rises.

Asia-Pacific charts a 9.37% CAGR, anchored by urbanization and pet humanization. Chinese millennials and Gen Z, spending USD 50–100 monthly on pets, reshape demand patterns and encourage multinationals to invest in local facilities. Japanese consumers extend longevity care to aging pets, while Australia’s established vet hospitals integrate precision dermatology. India enjoys capital inflows from Mars Inc. to scale multisite specialty clinics. Regulatory opacity in China still slows launches of innovative biologics, yet rising disposable income and e-commerce offset some hurdles, ensuring Asia-Pacific remains the fastest expanding region within the pet allergy treatment market.

Pet Allergy Treatment Market CAGR (%), Growth Rate by Region
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Competitive Landscape

The market shows moderate consolidation as Zoetis, Elanco, and Merck Animal Health leverage broad portfolios and R&D scale. Zoetis generated USD 8.5 billion in 2024, with 66% tied to companion animals and a strategic focus on dermatology. Elanco lifted its 2025 innovation revenue outlook to USD 660–740 million following Zenrelia approval, reflecting first-mover advantage in second-generation JAK inhibition.

Capital investment in biologics capacity is a key differentiator; Elanco’s USD 130 million Kansas expansion supports future monoclonal antibody output. Boehringer Ingelheim’s acquisition of Saiba Animal Health secures vaccine technology that complements allergy-focused pipelines. Emerging biotech firms explore microbiome therapeutics and sustained-release devices, yet high regulatory costs and established distributor relationships pose entry barriers. Overall, proprietary science, regulatory agility, and omnichannel reach determine competitive positioning within the pet allergy treatment market.

Pet Allergy Treatment Industry Leaders

  1. Boehringer Ingelheim International GmbH

  2. Neogen Corporation

  3. Provetica LLC

  4. Elanco Animal Health

  5. Zoetis Animal Health

  6. *Disclaimer: Major Players sorted in no particular order
Pet Allergy Treatment Market Concentration
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Recent Industry Developments

  • February 2025: Mars Inc. invested in Crown Veterinary Services in India, signaling multinational recognition of Asia-Pacific market potential and commitment to expanding veterinary infrastructure in emerging markets.
  • September 2024: Elanco received FDA approval for Zenrelia (ilunocitinib tablets), the second JAK inhibitor approved for canine allergic dermatitis, with demonstrated superior efficacy compared to existing treatments.
  • September 2024: Boehringer Ingelheim acquired Saiba Animal Health to enhance its R&D capabilities with innovative therapeutic vaccines targeting chronic diseases in pets, including allergic conditions.
  • April 2024: Boehringer Ingelheim expanded dog parasite protection options in India with NexGard SPECTRA (afoxolaner and milbemycin oxime). This new addition to the NexGard product line follows its approval by the Central Drugs Standard Control Organization (CDSCO).

Table of Contents for Pet Allergy Treatment Industry Report

1. Introduction

  • 1.1 Study Assumptions & Market Definition
  • 1.2 Scope of the Study

2. Research Methodology

3. Executive Summary

4. Market Landscape

  • 4.1 Market Overview
  • 4.2 Market Drivers
    • 4.2.1 Increase Awareness of Animal Allergies
    • 4.2.2 Growing Pet Ownership Across Urban Households
    • 4.2.3 Rising Adoption of Pet Health Insurance
    • 4.2.4 Advancements in Veterinary Dermatology Diagnostics
    • 4.2.5 Tele-Veterinary Platforms Accelerating Allergy Diagnosis
    • 4.2.6 Emergence of Microbiome-Based Therapeutics
  • 4.3 Market Restraints
    • 4.3.1 Limited Pipeline of Curative Therapies
    • 4.3.2 High Cost of Immunotherapy & Biologics
    • 4.3.3 Regulatory Scrutiny of Off-Label Human Drugs for Pets
    • 4.3.4 Owner Adherence Challenges for Long-Term Regimens
  • 4.4 Regulatory Landscape
  • 4.5 Porter’s Five Forces Analysis
    • 4.5.1 Threat of New Entrants
    • 4.5.2 Bargaining Power of Buyers/Consumers
    • 4.5.3 Bargaining Power of Suppliers
    • 4.5.4 Threat of Substitute Products
    • 4.5.5 Intensity of Competitive Rivalry

5. Market Size & Growth Forecasts (Value in USD)

  • 5.1 By Drug Class
    • 5.1.1 Antihistamines
    • 5.1.2 Corticosteroids
    • 5.1.3 Immunotherapy
    • 5.1.4 Monoclonal antibodies
    • 5.1.5 Microbiome-modulating agents
    • 5.1.6 Other Drug Classes
  • 5.2 By Pet Type
    • 5.2.1 Dogs
    • 5.2.2 Cats
    • 5.2.3 Rabbits
    • 5.2.4 Other Companion Animals
  • 5.3 By Route of Administration
    • 5.3.1 Oral
    • 5.3.2 Injectable
    • 5.3.3 Topical
    • 5.3.4 Sublingual
  • 5.4 By Distribution Channel
    • 5.4.1 Veterinary Clinics & Hospitals
    • 5.4.2 Retail Pharmacies
    • 5.4.3 Online Pharmacies
  • 5.5 By Geography
    • 5.5.1 North America
    • 5.5.1.1 United States
    • 5.5.1.2 Canada
    • 5.5.1.3 Mexico
    • 5.5.2 Europe
    • 5.5.2.1 Germany
    • 5.5.2.2 United Kingdom
    • 5.5.2.3 France
    • 5.5.2.4 Italy
    • 5.5.2.5 Spain
    • 5.5.2.6 Rest of Europe
    • 5.5.3 Asia-Pacific
    • 5.5.3.1 China
    • 5.5.3.2 Japan
    • 5.5.3.3 India
    • 5.5.3.4 Australia
    • 5.5.3.5 South Korea
    • 5.5.3.6 Rest of Asia-Pacific
    • 5.5.4 Middle East & Africa
    • 5.5.4.1 GCC
    • 5.5.4.2 South Africa
    • 5.5.4.3 Rest of Middle East & Africa
    • 5.5.5 South America
    • 5.5.5.1 Brazil
    • 5.5.5.2 Argentina
    • 5.5.5.3 Rest of South America

6. Competitive Landscape

  • 6.1 Market Concentration
  • 6.2 Market Share Analysis
  • 6.3 Company Profiles (includes Global level Overview, Market level overview, Core Segments, Financials as available, Strategic Information, Market Rank/Share for key companies, Products & Services, and Recent Developments)
    • 6.3.1 Zoetis Animal Health
    • 6.3.2 Merck & Co., Inc. (MSD Animal Health)
    • 6.3.3 Boehringer Ingelheim International GmbH
    • 6.3.4 Elanco Animal Health
    • 6.3.5 Ceva Santé Animale
    • 6.3.6 Virbac
    • 6.3.7 Dechra Pharmaceuticals
    • 6.3.8 Vetoquinol
    • 6.3.9 Neogen Corporation
    • 6.3.10 Phibro Animal Health
    • 6.3.11 Provetica LLC
    • 6.3.12 Nextmune (Allermed/Artuvet)
    • 6.3.13 Bioiberica S.A.U.
    • 6.3.14 NAV Biologicals
    • 6.3.15 Aratana Therapeutics (Elanco)
    • 6.3.16 Kindred Biosciences (Zoetis)
    • 6.3.17 IDEXX Laboratories
    • 6.3.18 Toray Industries (Allerpet)
    • 6.3.19 PetIQ Inc.
    • 6.3.20 Allergy Therapeutics plc

7. Market Opportunities & Future Outlook

  • 7.1 White-space & Unmet-Need Assessment
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Global Pet Allergy Treatment Market Report Scope

Pets can be allergic to a variety of substances known as allergens, which include plant particles and other airborne or food-borne substances. Allergens are substances inhaled or absorbed by the skin, respiratory system, or gastrointestinal tract. These reactions result in skin redness, swelling, and itching.

The pet allergy treatment market is segmented into drug class, pet type, route of administration, and geography. By drug class, the market is segmented into antihistamines, corticosteroids, immunotherapy, and other drug classes (nasal irrigation, decongestants, etc.). By pet type, the market is segmented into dogs, cats, rabbits, and other pet types (rodents, horses, etc.). By route of administration, the market is segmented into oral, injectable, and topical. By geography, the market is segmented into North America, Europe, Asia-Pacific, South America, and Middle East and Africa. The report also offers the market size and forecasts for 17 countries across the region. For each segment, the market sizing and forecasts were made on the basis of value (USD).

By Drug Class
Antihistamines
Corticosteroids
Immunotherapy
Monoclonal antibodies
Microbiome-modulating agents
Other Drug Classes
By Pet Type
Dogs
Cats
Rabbits
Other Companion Animals
By Route of Administration
Oral
Injectable
Topical
Sublingual
By Distribution Channel
Veterinary Clinics & Hospitals
Retail Pharmacies
Online Pharmacies
By Geography
North America United States
Canada
Mexico
Europe Germany
United Kingdom
France
Italy
Spain
Rest of Europe
Asia-Pacific China
Japan
India
Australia
South Korea
Rest of Asia-Pacific
Middle East & Africa GCC
South Africa
Rest of Middle East & Africa
South America Brazil
Argentina
Rest of South America
By Drug Class Antihistamines
Corticosteroids
Immunotherapy
Monoclonal antibodies
Microbiome-modulating agents
Other Drug Classes
By Pet Type Dogs
Cats
Rabbits
Other Companion Animals
By Route of Administration Oral
Injectable
Topical
Sublingual
By Distribution Channel Veterinary Clinics & Hospitals
Retail Pharmacies
Online Pharmacies
By Geography North America United States
Canada
Mexico
Europe Germany
United Kingdom
France
Italy
Spain
Rest of Europe
Asia-Pacific China
Japan
India
Australia
South Korea
Rest of Asia-Pacific
Middle East & Africa GCC
South Africa
Rest of Middle East & Africa
South America Brazil
Argentina
Rest of South America
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Key Questions Answered in the Report

What is the current valuation of the pet allergy treatment market?

The pet allergy treatment market size is USD 2.33 billion in 2025.

Which region grows fastest in this market?

Asia-Pacific posts the highest 9.37% CAGR through 2030 thanks to urban pet humanization and rising disposable income.

Which drug class is gaining momentum over antihistamines?

Janus kinase inhibitors, led by Zenrelia, are expanding rapidly due to superior itch-control efficacy.

How big is the canine segment compared with feline?

Dogs hold 62.51% of revenue, but the feline segment records an 8.79% CAGR, making it the fastest growing pet type.

What channel is disrupting traditional veterinary sales?

Online pharmacies are growing at 8.14% CAGR, leveraging tele-veterinary services and competitive pricing to capture share.

Why does insurance matter for allergy treatment growth?

Rising pet health insurance coverage reduces out-of-pocket costs for chronic therapies, enabling greater adoption of premium biologics and immunotherapy.

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