The allergy diagnostics and therapeutics market was valued at USD 34.64 billion in 2024 and is estimated at USD 37.52 billion in 2025. Polaris Market Research projects it to reach USD 78.51 billion by 2034, exhibiting a CAGR of 8.5% during the forecast period 2025–2034. Growth is supported by the rising prevalence of allergic conditions and advances in allergy immunotherapy. Key players include Thermo Fisher Scientific, Siemens Healthineers, Merck Group, Abbott Laboratories, Danaher Corporation and Quest Diagnostics, alongside Stallergenes Greer, ALK-Abelló, Hitachi Chemical Diagnostics, Hycor Biomedical and Omega Diagnostics.

Rising Prevalence of Allergies Expands the Patient Base

Environmental factors such as climate change, urbanization and pollution contribute to a higher incidence of asthma, allergic rhinitis and food allergies. According to the 2019 World Health Organization report cited by Polaris, asthma affects over 260 million people worldwide, and the prevalence of allergic rhinitis has been steadily increasing in developed countries. This growing patient base has increased demand for both diagnostic tools and therapeutic interventions. The increased use of air conditioning, which circulates allergens, and higher exposure to environmental pollutants are expected to keep influencing allergy rates across the allergy diagnostics and therapeutics market.

Diagnostic Innovation Reshapes Allergy Testing

Technological advances are reshaping the market. New in-vitro diagnostic developments and molecular diagnostics enhance the precision of allergy testing, enabling quicker and more accurate results, and detecting specific allergens at a molecular level supports personalized treatment. Multiplex testing, which analyzes multiple allergens in a single sample, is gaining traction. Diagnostics hold the largest share by type, and in-vitro tests lead by test type thanks to non-invasive, highly accurate methods that suit patients with severe allergic reactions. Among allergen types, food holds the largest share, as food allergen testing, including skin tests and blood tests, helps identify triggers such as peanuts, shellfish and dairy products and supports personalized treatment plans.

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Allergy Immunotherapy and Personalized Therapeutics

Allergy immunotherapy, including sublingual and subcutaneous treatments, is a key trend. These therapies reduce the severity of allergic reactions over time by desensitizing patients to specific allergens and are valued for long-term effectiveness compared with traditional symptom-management treatments. Citing the American College of Allergy, Asthma, and Immunology, the report notes that allergy immunotherapy can provide relief for patients with allergic rhinitis and asthma, with clinical studies showing significant symptom improvements after a few years of treatment. The therapeutics segment is registering the fastest growth rate, fueled by immunotherapy advances, demand for long-term allergy management and an emphasis on personalized medicine.

Regional Leadership and Competitive Developments

North America holds the largest market share, driven by a high prevalence of allergic conditions, advanced healthcare infrastructure, a supportive regulatory environment and strong research activity. Europe holds a significant share, with Germany, France and the UK contributing, while Asia Pacific is witnessing rapid growth in China, India and Japan as urbanization, pollution and lifestyle changes raise allergy prevalence. In August 2024, Thermo Fisher Scientific announced a new allergy testing platform to improve the speed and accuracy of diagnoses, and in June 2024 Siemens Healthineers introduced an allergy diagnostic tool integrating artificial intelligence to streamline testing.

Growth Strategies and Market Outlook

The Allergy Diagnostics and Therapeutics report outlines growth and marketing strategies centered on expanding product portfolios, enhancing diagnostic accuracy and increasing accessibility to allergy testing and treatments. Companies are leveraging technological advancements such as AI and multiplex testing to improve diagnostic speed and precision, while strategic partnerships with healthcare providers, wider distribution networks and educational campaigns raise awareness. Emerging markets, where rising allergy prevalence and improving healthcare systems create opportunities, are a focus, and investments in research and development of personalized treatments are central to capturing a larger share. The product segmentation covers consumables, instruments and services.

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