Allergies

The term allergy encompasses a wide range of conditions; it is not a disease in itself. The term allergy – medically termed hypersensitivity, signifies an exaggerated reaction to foreign substances.

Old Friends Hypothesis

The "old friends" hypothesis was proposed by Graham Rook in 2003 as an alternative to or refinement of the hygiene hypothesis, originally brought forward by Strachan in 1989 as an explanation for the rise in allergic disease.

What are Recombinant Allergens?

Wheat Allergy

Cow’s Milk Allergy Management

Latex Allergy

Gluten Intolerance / Allergy

Fruit Allergies

Food Allergy and Intolerance Research

Research on Allergies

What is Allergic Contact Dermatitis?

What is Food Protein-Induced Enterocolitis Syndrome (FPIES)?

Perfume Allergy

See more featured articles »

Tartrazine Allergy

Long Term Effects of Taking Allergy Medications

Garlic Allergy

Nickel Allergy

What are Allergies?

Does Allergy Immunotherapy Work?

Soy Allergy

Sesame Seed Allergy

Treatment and Prevention of Allergies

Epidemiology of Allergies

Steps to Reduce Home Allergy

Lupin Allergy

Allergies and Genetics

Wheat Allergy

Allergic Reaction to Skin Products

What is Dust Mite Allergy?

What's Driving the Recent Rise in Food Allergies?

What is Milk Allergy?

What is Lactose Intolerance?

What is the Microbial Diversity Hypothesis?

Chromium Allergy

Allergies and the Hygiene Hypothesis

Treatment and Prevention of Allergies

Cockroach Allergy

Allergy Patch Testing

Milk Allergy

Meat Allergy After a Tick Bite

Breastfeeding and Allergies

Tree Nut Allergy

Balsam of Peru Allergy

Are DIY Allergy Tests Reliable?

What is Anaphylaxis?

How to Prevent Mold Allergies

Penicillin Allergy

Am I Allergic to Ragweed?

Oral Allergy Syndrome (OAS)

Allergic Reactions to Pharmaceutical Drugs

Allergies in Children

What is Peanut Allergy?

Types of Allergy Tests

Diagnosis of Allergies

Meat Allergy

Sulfite Allergy

Type of Pollen Allergies

Mustard Allergy

Seasonal Allergy

Can you Treat a Food Allergy by Altering the Gut Microbiome?

Gold (Gold Sodium Thiosulfate) Allergy

Autism Spectrum Disorder & Allergies

Can Food Allergies Be Genetic?

Celery Allergy

Common Allergens in the Workplace and How to Avoid Them

What are Pet Allergies?

Different Types of Allergies

Pediatric Allergies

Causes of Allergies

How Does Milk Allergy Differ from Lactose Intolerance?

Formaldehyde Allergy

Types of Eye Allergy

Cobalt Chloride Allergy

Latest Allergies News and Research

New AI investment aims to accelerate the search for an effective HIV vaccine

As of 2024, over 40 million people in the world are diagnosed with human immunodeficiency virus (HIV)-a chronic, life-threatening infection that remains one of the leading global causes of death.

18 Nov 2025

Gut microbes may fuel allergic rhinitis symptoms

The study identifies gut microbiome alterations in allergic rhinitis, suggesting a gut-nose axis that could inform new treatment approaches for this condition.

17 Nov 2025

Cesarean births do not raise infant allergy risk in major Japanese cohort study

In a large Japanese birth cohort, cesarean delivery was not linked to higher risks of eczema, wheezing, atopic dermatitis, or asthma in infants at one year of age. Emergency cesarean delivery was even associated with a modest reduction in eczema, suggesting that mode of birth alone may not drive early-life allergic disease.

13 Nov 2025

Researchers confirm first death linked to tick-induced meat allergy

University of Virginia School of Medicine researchers have identified the first death caused by what is commonly called the "meat allergy" being spread by ticks.

13 Nov 2025

Scientists discover hidden weakness in Lyme disease bacterium

For decades, Lyme disease has frustrated both physicians and patients alike. Caused by the corkscrew-shaped bacterium Borrelia burgdorferi, the infection, if left untreated, can linger for months, leading to fever, fatigue and painful inflammation.

13 Nov 2025

Nasal vaccine shows promise as a non-invasive treatment for cervical cancer

Cervical cancer, which affects the reproductive tract, is one of the most common cancers in women worldwide.

12 Nov 2025

Prior exposure to cold viruses boosts antibody response against SARS-CoV-2

Prior exposure to coronaviruses that cause ordinary colds can boost the immune system's ability to attack a vulnerable site on the COVID-19-causing coronavirus SARS-CoV-2, according to a study led by investigators at Weill Cornell Medicine.

11 Nov 2025

Genomic mapping of resistance mutations in A. baumannii

The bacteria Acinetobacter baumannii (A. baumannii) is a haunting presence in many hospitals in the United States, where more than one in 100 patients are treated for A. baumannii infections.

7 Nov 2025

Five-year project seeks new weapons against drug-resistant bacteria

Lethal lettuce in Missouri. Murderous onions in Colorado. To biochemists at the University of Oklahoma, these aren't just headlines – they're warnings of the risks posed by drug-resistant bacteria and the human cost of inaction.

6 Nov 2025

Social media spreads both awareness and misinformation about allergies and asthma

From rare tick-borne meat allergy to everyday asthma, millions of people turn to social media for health advice.

6 Nov 2025

Studies reveal how hereditary angioedema disrupts the lives of children and families

Two new studies being presented at the 2025 American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting in Orlando shed light on how hereditary angioedema (HAE) – a rare, potentially life-threatening disease which causes unpredictable swelling – profoundly affects the daily lives, emotional wellbeing, and medical experiences of young patients and their caregivers.

6 Nov 2025

New studies shine light on oral immunotherapy and oral food challenges in allergic children

Two new studies being presented at the American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting in Orlando shine a spotlight on oral immunotherapy and oral food challenges (OFCs) in children, showing that both procedures are safe for young patients and can be life-changing for families navigating food allergies.

6 Nov 2025

COVID-19 vaccination may have broader health benefits for children with atopic dermatitis

Children with atopic dermatitis (AD), commonly known as eczema, may experience fewer infections and allergic complications if they receive the COVID-19 vaccine, according to new research being presented at the 2025 American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting in Orlando.

6 Nov 2025

Long-term study shows peanut patch treatment builds tolerance in toddlers

New research presented at the 2025 Annual Scientific Meeting of the American College of Allergy, Asthma and Immunology (ACAAI) offers encouraging news for parents of young children with peanut allergies.

6 Nov 2025

Veterans deployed to Iraq and Afghanistan face higher risk of chronic respiratory conditions

U.S. Veterans who served in Operation Iraqi Freedom (OIF) and Operation Enduring Freedom (OEF) face an increased risk of developing several chronic respiratory conditions, according to new research presented at the 2025 Annual Scientific Meeting of the American College of Allergy, Asthma and Immunology (ACAAI) in Orlando.

6 Nov 2025

Thunderstorms can trigger sharp increases in asthma-related emergency department visits

A new study finds that thunderstorms can trigger sharp increases in asthma-related emergency department (ED) visits, underscoring the importance of storm preparedness for people with asthma. The research is being presented at the 2025 Annual Scientific Meeting of the American College of Allergy, Asthma and Immunology (ACAAI) in Orlando.

6 Nov 2025

Research shows reluctance among obstetricians to refer pregnant patients to allergy specialists

Many pregnant women experience allergies, asthma, or reactions to medications - conditions that can affect both mother and baby if not carefully managed. Yet new research presented at the 2025 American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting suggests a reluctance among obstetricians to refer their pregnant patients to allergy specialists, even when a referral could help improve care.

6 Nov 2025

Allergic conditions linked to higher risk of complications after surgery

Two new studies being presented at the 2025 Annual Scientific Meeting of the American College of Allergy, Asthma and Immunology (ACAAI) show that people with allergic conditions - including eczema, asthma, and hay fever - may face more problems after certain types of surgery.

6 Nov 2025

Experimental intranasal vaccine triggers broad immune response against multiple strains of H5N1

Researchers at the University of Maryland School of Medicine's Center for Vaccine Development and Global Health (CVD) reported encouraging results from an early phase clinical trial that found an experimental intranasal vaccine triggered a broad immune response against multiple strains of H5N1 "bird flu".

6 Nov 2025

NIH grant supports research on how the immune system responds to serious eye infections

New research that sheds light on how the immune system responds to serious eye infections is underway at Wayne State University, supported by a $2.3 million federal grant from the National Eye Institute of the National Institutes of Health (NIH).

3 Nov 2025

Allergies

Overview

Feature Articles

Latex Allergy

Gluten Intolerance / Allergy

Fruit Allergies

Food Allergy and Intolerance Research

Research on Allergies

What is Allergic Contact Dermatitis?

What is Food Protein-Induced Enterocolitis Syndrome (FPIES)?

Perfume Allergy

Tartrazine Allergy

Long Term Effects of Taking Allergy Medications

Garlic Allergy

Nickel Allergy

What are Allergies?

Does Allergy Immunotherapy Work?

Soy Allergy

Sesame Seed Allergy

Treatment and Prevention of Allergies

Epidemiology of Allergies

Steps to Reduce Home Allergy

Lupin Allergy

Allergies and Genetics

Wheat Allergy

Allergic Reaction to Skin Products

What is Dust Mite Allergy?

What's Driving the Recent Rise in Food Allergies?

What is Milk Allergy?

What is Lactose Intolerance?

What is the Microbial Diversity Hypothesis?

Chromium Allergy

Allergies and the Hygiene Hypothesis

Treatment and Prevention of Allergies

Cockroach Allergy

Allergy Patch Testing

Milk Allergy

Meat Allergy After a Tick Bite

Breastfeeding and Allergies

Tree Nut Allergy

Balsam of Peru Allergy

Are DIY Allergy Tests Reliable?

What is Anaphylaxis?

How to Prevent Mold Allergies

Penicillin Allergy

Am I Allergic to Ragweed?

Oral Allergy Syndrome (OAS)

Allergic Reactions to Pharmaceutical Drugs

Allergies in Children

What is Peanut Allergy?

Types of Allergy Tests

Diagnosis of Allergies

Meat Allergy

Sulfite Allergy

Type of Pollen Allergies

Mustard Allergy

Seasonal Allergy

Can you Treat a Food Allergy by Altering the Gut Microbiome?

Gold (Gold Sodium Thiosulfate) Allergy

Autism Spectrum Disorder & Allergies

Can Food Allergies Be Genetic?

Celery Allergy

Common Allergens in the Workplace and How to Avoid Them

What are Pet Allergies?

Different Types of Allergies

Pediatric Allergies

Causes of Allergies

How Does Milk Allergy Differ from Lactose Intolerance?

Formaldehyde Allergy

Types of Eye Allergy

Cobalt Chloride Allergy

Latest Allergies News and Research

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

Newsletters you may be interested in