Allergies: Symptoms, Causes, and Medication

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What Are Allergies?

Featured Stories

The Seasonal Allergy Symptoms You Should Know About, According to an Allergist

You don't have to be miserable each time the flowers bloom.

My Doctor Misdiagnosed Me With Seasonal Allergies—but I Actually Had Lung Cancer That Spread to My Brain

At first, Gina Hollenbeck was told that her chronic cough was due to seasonal allergies, then a second doctor chalked it up to gastric reflux. It was a chest X-ray she insisted on paying for out of pocket that led to her terminal cancer diagnosis.

These are the Key Differences Between Coronavirus and Allergies

Allergies Vs. Coronavirus: Here's How to Tell the Difference

The overlap of symptoms could cause a lot of unnecessary fear.

FDA Approves First Treatment for Peanut Allergy—But It’s for Kids Only

It doesn't prevent or cure this common food allergy.

College Student in Ohio Suffers Fatal Allergic Reaction to Milk Product

The 20-year-old was found dead holding his EpiPen after developing anaphylaxis.

This Man's Lungs Became Inflamed After Switching His Bedding—Here's Why

What Is 'Feather Duvet Lung'? Man Has Allergic Reaction To His New Bedding

He was diagnosed with "feather duvet lung."

What to Do When Allergies Cause a Sore Throat

When I get allergies, my symptoms are in the back of my throat, not my nose. Is that weird?

5 Causes of Hives You Wouldn't Expect

Those itchy, red welts can be brought on by more than just pet dander and pollen.

9 Things You Need to Know About Allergy Shots

31 Things That Can Trigger Allergies

31 Everyday Things You Didn’t Know You Could Be Allergic To

The Best Anti-Allergy Bedding

15 Hypoallergenic Dogs and Cats

A New Allergy Vaccine Could Finally Let Anyone Become a Cat Person

Great news for cat people; even better news for cats!

All What Are Allergies?

What Exactly Is a Pollen Allergy—and How Do You Know if You Have One?

When to Expect Allergy Season—and How to Prepare for the Misery

When Is Allergy Season—and How Long Does It Last?

These Are the Best Home Remedies for Allergies

Home Remedies for Allergies: What Works?

Your New Allergy Survival Guide

4 Essential Oils That Could Help Your Seasonal Allergies

This Man Says His Allergic 11-Year-Old Died From Smelling Fish Fumes. Can That Really Happen?

An 11-Year-Old With Food Allergies Allegedly Died After Breathing In Fish Fumes—Can That Really Happen?

The Most Common Home Allergens—and, the Best Ways to Fight Them

This Woman Has a Life-Threatening Allergy to the Cold—Here’s How That’s Possible

This Woman’s Head Doubled in Size Due to a Crazy Allergic Reaction to Hair Dye

Why This Promising New Treatment for Peanut Allergies May Not Be for Everyone

Man's Constant Runny Nose Turns Out to Be Leaking Brain Fluid: 'This Thing Just Drains Out'

Tia Mowry Opens Up About Son Cree's Health Scare for First Time: 'We Were Really Stressed Out'

Why People Are Painting Pumpkins Teal for Halloween

The Teal Pumpkin Project Could Be Saving Lives this Halloween

20 Allergy-Control Products to Sneeze-Proof Your Home

10 Surprising Facts About Peanut Allergies

Gina Rodriguez Suffers Health Scare After Eating Blueberry Backstage at The Talk

How to Tell If There's Mold in Your House

15-Year-Old Dies of Peanut Allergy After Unknowingly Eating Peanut Butter Chips Ahoy Cookie

Tracy Anderson Says a Tick Bite Gave Her a Red-Meat Allergy

Tick-Borne Meat Allergies Are On the Rise. This Fitness Celeb Shares Her Firsthand Experience

11 Things That Make Allergies Worse

11 Weird Things That Make Seasonal Allergies Worse

The 6 Best Pillowcases and Protectors for People With Allergies

The Surprising Reason Your Mouth Itches After Eating an Apple

7 Signs You Have Allergies—and Not Just a Cold

This Woman Died After an 'Acupuncture' Therapy Session That Uses Live Bee Stings Instead of Needles

5 Reasons Your Allergies Are Worse at Night

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Featured Stories

The Seasonal Allergy Symptoms You Should Know About, According to an Allergist

My Doctor Misdiagnosed Me With Seasonal Allergies—but I Actually Had Lung Cancer That Spread to My Brain

Allergies Vs. Coronavirus: Here's How to Tell the Difference

FDA Approves First Treatment for Peanut Allergy—But It’s for Kids Only

College Student in Ohio Suffers Fatal Allergic Reaction to Milk Product

What Is 'Feather Duvet Lung'? Man Has Allergic Reaction To His New Bedding

More on Allergies

What to Do When Allergies Cause a Sore Throat

5 Causes of Hives You Wouldn't Expect

9 Things You Need to Know About Allergy Shots

31 Everyday Things You Didn’t Know You Could Be Allergic To

The Best Anti-Allergy Bedding

15 Hypoallergenic Dogs and Cats

A New Allergy Vaccine Could Finally Let Anyone Become a Cat Person

Can You Be Allergic to Water? Here’s What You Need to Know

This Teen's Lips Quadrupled in Size After She Ate This Popular Fast Food

What to Know About Food Allergy Symptoms, From Hives to Anaphylaxis

An 11-Year-Old Girl Died From an Allergic Reaction to Toothpaste—Now Her Mother Is Speaking Out

Mom of 3-Year-Old Posts Viral Warning About The Often Missed Signs of Deadly Anaphylaxis

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More

What Are Allergies?

Featured Stories

The Seasonal Allergy Symptoms You Should Know About, According to an Allergist

My Doctor Misdiagnosed Me With Seasonal Allergies—but I Actually Had Lung Cancer That Spread to My Brain

Allergies Vs. Coronavirus: Here's How to Tell the Difference

FDA Approves First Treatment for Peanut Allergy—But It’s for Kids Only

College Student in Ohio Suffers Fatal Allergic Reaction to Milk Product

What Is 'Feather Duvet Lung'? Man Has Allergic Reaction To His New Bedding

More on Allergies

What to Do When Allergies Cause a Sore Throat

5 Causes of Hives You Wouldn't Expect

9 Things You Need to Know About Allergy Shots

31 Everyday Things You Didn’t Know You Could Be Allergic To

The Best Anti-Allergy Bedding

15 Hypoallergenic Dogs and Cats

A New Allergy Vaccine Could Finally Let Anyone Become a Cat Person

Can You Be Allergic to Water? Here’s What You Need to Know

This Teen's Lips Quadrupled in Size After She Ate This Popular Fast Food

What to Know About Food Allergy Symptoms, From Hives to Anaphylaxis

An 11-Year-Old Girl Died From an Allergic Reaction to Toothpaste—Now Her Mother Is Speaking Out

Mom of 3-Year-Old Posts Viral Warning About The Often Missed Signs of Deadly Anaphylaxis

All What Are Allergies?

What Exactly Is a Pollen Allergy—and How Do You Know if You Have One?

When Is Allergy Season—and How Long Does It Last?

Home Remedies for Allergies: What Works?

Your New Allergy Survival Guide

4 Essential Oils That Could Help Your Seasonal Allergies

An 11-Year-Old With Food Allergies Allegedly Died After Breathing In Fish Fumes—Can That Really Happen?

The Most Common Home Allergens—and, the Best Ways to Fight Them

This Woman Has a Life-Threatening Allergy to the Cold—Here’s How That’s Possible

This Woman’s Head Doubled in Size Due to a Crazy Allergic Reaction to Hair Dye

Why This Promising New Treatment for Peanut Allergies May Not Be for Everyone

Man's Constant Runny Nose Turns Out to Be Leaking Brain Fluid: 'This Thing Just Drains Out'

Tia Mowry Opens Up About Son Cree's Health Scare for First Time: 'We Were Really Stressed Out'

The Teal Pumpkin Project Could Be Saving Lives this Halloween

20 Allergy-Control Products to Sneeze-Proof Your Home

10 Surprising Facts About Peanut Allergies

Gina Rodriguez Suffers Health Scare After Eating Blueberry Backstage at The Talk

How to Tell If There's Mold in Your House

15-Year-Old Dies of Peanut Allergy After Unknowingly Eating Peanut Butter Chips Ahoy Cookie

Tick-Borne Meat Allergies Are On the Rise. This Fitness Celeb Shares Her Firsthand Experience

11 Weird Things That Make Seasonal Allergies Worse

The 6 Best Pillowcases and Protectors for People With Allergies

The Surprising Reason Your Mouth Itches After Eating an Apple

7 Signs You Have Allergies—and Not Just a Cold

This Woman Died After an 'Acupuncture' Therapy Session That Uses Live Bee Stings Instead of Needles

5 Reasons Your Allergies Are Worse at Night