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Allergy Guide

We’re here to help you understand allergies so you can conquer them! Discover articles to help you learn about and manage all types of allergies.

Popular Allergy Articles

Cold vs Allergies
Understanding AllergiesCold vs Allergies: What’s The Difference?
When it comes to a cold vs allergies, you might experience similar symptoms. Discover the difference between allergies and a cold today.
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A woman blowing her nose into a tissue in an outdoor setting, showing discomfort of allergy symptoms
Understanding AllergiesCommon Allergy Symptoms and How to Get Relief
Learn more about allergy symptoms and how to identify common signs of a reaction. Find out how you can seek relief from allergies with ZYRTEC®.
READ MORE
What is ZYRTEC-D® and What is it Used for?
Understanding AllergiesWhat is ZYRTEC-D® and What is it Used For?
Want to learn about ZYRTEC-D® & how it can help relieve your allergy & congestion symptoms? Learn about ZYRTEC-D®, including active ingredients, uses, side effects & more.
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Allergy Articles by Category

A woman holding a tissue in a field of yellow flowers, showing that allergies are in everyday life.

Understanding allergies

A child blowing on a dandelion, highlighting common triggers of kid's allergies during outdoor play.

Kids' allergies

A man outdoors rubbing his eyes and nose, indicating the discomfort of outdoor allergies in a park.

Outdoor allergies

A woman sitting on a couch with a gray cat, showing common indoor allergies associated with pets.

Indoor allergies

A woman sitting outside working on a laptop, representing the lifestyle of living with allergies.

Living with allergies

All Allergy Articles

58 Items
Fatigue and Allergies
Understanding AllergiesFatigue From Allergies: Causes, Symptoms, and Relief
Are you struggling with Allergy Fatigue? Learn about different causes, symptoms and relief tips to help you manage your sleepiness caused by allergies.
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Couple reading with their daughter
Kids' AllergiesCOVID-19, Flu, RSV, Cold, or Allergies? Find Out What's Causing Your Child's Symptoms
Does your child have a cough or congestion? Discover causes, symptoms & treatments for allergies & upper respiratory conditions to help your little one recover quickly.
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Woman smiling with her dor licking her cheek.
Understanding AllergiesThe Truth About Hypoallergenic Pets and Allergies
Can pets truly be hypoallergenic? What makes a dog hypoallergenic? What does hypoallergenic actually mean? Get your questions about hypoallergenic pets answered here.
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Woman blowing her nose
Understanding AllergiesWhat Can Happen When You Don’t Treat Allergies?
What can happen when you don’t treat allergies? Learn about the possible negative side effects of leaving your allergy symptoms untreated.
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Headaches from Allergies: Causes, Symptoms & Relief
Understanding AllergiesHeadaches from Allergies: Causes, Symptoms & Relief
Can allergies cause headaches? Find out if allergies are causing your headaches, learn how allergies can trigger migraines, and discover treatment and relief tips.
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Itchy, Runny Nose from Allergies: Causes, Symptoms and Relief
Understanding AllergiesItchy, Runny Nose from Allergies: Causes, Symptoms and Relief
An itchy nose can be really irritating, especially when it leads to a runny nose and sneezing at inconvenient times. Whether you’re in the office, relaxing at home or driving somewhere, it’s never ideal to have a stuffy nose or runny nose. But what causes these symptoms? Read on to learn more.
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Woman sleeping over a pillow with a clock on the nighstand
Understanding AllergiesAllergies at Night
Learn why allergies can get worse at night and find solutions to for a restful sleep. Explore common triggers and prevention tips for night time allergy symptoms.
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Woman with a headache holding a glass of water
Understanding AllergiesAll About Decongestants
Suffering from congestion? Discover what decongestants do, how they work, compare decongestants vs antihistamines, and learn how decongestants like ZYRTEC-D® can help.
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Woman sneezing in front of a man
Understanding AllergiesCan Allergies Cause Sinus Infections?
Learn how allergies can lead to sinus infections & find prevention tips. Discover the causes & symptoms of allergies vs sinus infections & find effective treatment options.
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Family of three adults sitting outside along side a creek, laughing and enjoying a sunny day.
Understanding AllergiesWhat Helps with Allergies at Home? How to Manage Symptoms with Lifestyle Changes
If you’re in need of relief from itchy eyes and a runny nose, there are plenty of lifestyle changes to help you manage your allergies at home.
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Two happy children playing together outside during the day.
Kids' AllergiesHow to Help Your Child Get Relief From Seasonal Allergies
To help determine if your child is indeed suffering from allergies, ask yourself: Do their symptoms linger well beyond the typical seven to 10 days you would expect from the common cold?
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What is Pollen Count?
Outdoor AllergiesWhat is Pollen Count?
Pollen count is important to many allergy sufferers– but what does the term actually mean, and what time of day is worst for pollen?
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Allergies vs COVID 19
Understanding AllergiesAllergies vs COVID 19
Not sure what’s causing your sore throat or runny nose? Learn about the similarities and differences between covid-19 and allergy symptoms.
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A man holding a tissue near his face surrounded by foliage showing discomfort of seasonal allergies.
Understanding AllergiesWhat Is ZYRTEC® & What is it Used For?
Learn about what ZYRTEC® can do to help relieve common allergy symptoms.
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How to Tell if A Child Has Allergies: 5 Signs Parents Should Look For
Kids' AllergiesHow to Tell if A Child Has Allergies: 5 Signs Parents Should Look For
How can you tell if your kid has seasonal allergy symptoms? Learn about 5 common allergy signs in kids to help you determine if your child or toddler may have allergies.
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Person wearing a scarf clutching their chest experiencing congestion
Understanding AllergiesAllergy Congestion: Causes, Symptoms and Relief
Learn what congestion is and how it relates to allergies with this ZYRTEC® guide. From understanding symptoms to ways to get congestion relief, we’ve got it covered.
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What is ZYRTEC-D® and What is it Used for?
Understanding AllergiesWhat is ZYRTEC-D® and What is it Used For?
Want to learn about ZYRTEC-D® & how it can help relieve your allergy & congestion symptoms? Learn about ZYRTEC-D®, including active ingredients, uses, side effects & more.
READ MORE
A closeup of a person with green eyes experiencing redness
Understanding AllergiesPink Eye vs Eye Allergies: How to Spot the Difference
Wondering if your eye redness is caused by allergies or pink eye? Use our helpful guide to learn about the differences and take our pink eye vs allergies quiz.
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Person wearing headphones dancing indoors
Indoor AllergiesHow to Improve Indoor Air Quality By Reducing Indoor Allergens
Find out which indoor allergens could trigger your allergies at home and read our indoor air quality tips to relieve and reduce your indoor allergies.
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Person touching their eyes
Understanding AllergiesWatery Eyes From Allergies: Causes and Treatment Tips
Find out what causes watery eyes, and learn about the airborne allergens that could be triggers for your symptoms. Discover simple solutions and remedies today.
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Cold vs Allergies
Understanding AllergiesCold vs Allergies: What’s The Difference?
When it comes to a cold vs allergies, you might experience similar symptoms. Discover the difference between allergies and a cold today.
READ MORE
A family bundled up outside with their dog in a field during the winter
Outdoor AllergiesUnderstanding Winter Allergies
Discover what causes winter allergies and the steps you can take to manage your winter allergy symptoms.
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Woman smiling outside on a sunny spring day standing in front of a blossoming tree
Understanding AllergiesTypes of Allergy Medicine
Find out what kinds of allergy treatments are available, and how they work to relieve your symptoms.
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A woman blowing her nose into a tissue in an outdoor setting, showing discomfort of allergy symptoms
Understanding AllergiesCommon Allergy Symptoms and How to Get Relief
Learn more about allergy symptoms and how to identify common signs of a reaction. Find out how you can seek relief from allergies with ZYRTEC®.
READ MORE
Person laying in bed experiencing a sore throat
Understanding AllergiesSore Throat From Allergies: Symptoms and Remedies
Many people will experience a sore throat from their allergies. Find out more about this symptom, and how you might be able to soothe it.
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Person sitting in a kitchen holding a cat
Indoor AllergiesAllergies To Cats: Symptoms, Treatment and Causes
Although our feline friends are so fondly regarded that they’re found in an amazing one third of all households, cats are also the leading driver of pet allergies in the US.
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Cetirizine hydrochloride chemical structure
Understanding AllergiesWhat Is Cetirizine Hydrochloride (HCl), And What Is It Used For?
Cetirizine is an antihistamine often used to treat allergy symptoms. In this guide, we explore how it works, its side-effects and correct dosage.
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Two people outside in a covertible holding a camera
Outdoor AllergiesUnderstanding Summer Allergies: Causes, Symptoms & Management Tips
Don’t let allergies ruin your summertime fun. Learn all about June, July, August & September allergies, plus discover common causes & symptoms of summer allergies & more
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What are Sinuses & What is Their Role in Allergies?
Understanding AllergiesWhat are Sinuses & What is Their Role in Allergies?
What are sinuses and what do they do? Learn about the sinuses, their function & how they are related to allergies. Plus, learn how to get relief from sinus congestion.
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A mother holding her young child in a sunlit outdoor setting, surrounded by nature and greenery.
Understanding AllergiesWhat Are Antihistamines and How Do They Work?
Learn all about antihistamines, including what they are, how they work, what they treat & more. Plus, find answers to frequently asked questions about antihistamines.
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Woman, laying down, squeezing lemon into her mug next to a pile of tissues, honey and a thermometer
Understanding AllergiesItchy Throat from Allergies: Causes and Treatment
An itchy throat caused by allergies can be irritating to live with – but help is at hand. Discover causes, symptoms & how to help stop an itchy throat with ZYRTEC® today.
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Two people unpacking surrounded by plants & boxes
Understanding AllergiesAbout Mold & Mildew Allergies: Symptoms, Treatment & Prevention
Think you have a mold allergy? Find out how to get rid of mold and how to find relief for your symptoms. Manage your allergies with ZYRTEC® today.
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People enjoying a barbecue together outside
Outdoor AllergiesOutdoor Allergy Symptoms, Triggers and Tips
Struggling with outdoor allergies? Get all the information you need on spotting the signs and managing your symptoms.
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A person outside smiling holding flowers to plant
Outdoor AllergiesUnderstanding Spring Allergies: Causes, Symptoms, and Management Tips
Learn about what may cause your spring allergy symptoms, discover when spring allergy season takes place, and find tips to help you manage your spring allergy symptoms.
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A person sneezing with their family wrapping gifts in the background
Understanding AllergiesHow to Relieve Sneezing From Allergies
Wondering why you keep sneezing? Find out if your sneezing is caused by allergies, discover why allergies make us sneeze, and learn how to stop sneezing from allergies.
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Two people unpacking boxes in a living room, showing the potential of dust mite allergy indoors.
Understanding AllergiesHow Do You Know If You Have a Dust Allergy?
Learn all about the causes, symptoms, and treatments for dust allergies, plus discover ways to prevent dust in your home.
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Person experiencing jaw pain
Understanding AllergiesCan Allergies Cause Jaw Pain?
While there are many causes of jaw pain, did you know that allergies can be one of them? Learn more now.
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A close-up of a bee on yellow flowers, highlighting triggers of pollen allergy for many individuals.
Outdoor AllergiesWhat Exactly Is a Pollen Allergy?
Learn more about pollen, how it may be causing your allergies, and discover ways to manage and treat pollen allergy symptoms.
READ MORE
Eye Allergies: Causes And Treatment
Understanding AllergiesEye Allergies: Causes And Treatment
Allergies can irritate eyes because of pollen, pets, mold and more. Find out symptoms and how to treat eye allergies, including at-home remedies, to find relief.
READ MORE
Close-up of brown leaves on grass in a park, showing seasonal changes that trigger fall allergies.
Outdoor AllergiesUnderstanding Fall Allergies
Seasonal allergens, such as ragweed pollen and mold, cause common fall allergies. Learn the triggers for these autumn allergies and get help with fall allergy relief.
READ MORE
A family outside playing football together in the grass
Understanding AllergiesGrass Pollen Allergy Symptoms and Treatment
Discover the different types of grass pollen allergy and how grass pollen may affect you, as well as how to manage and relieve your symptoms with Zyrtec.
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A group of people hiking together surrounded by trees
Understanding AllergiesTree Pollen Allergy Symptoms and Types
A tree pollen allergy can start in early spring and last until summer. Understand symptoms, the different types and ways to treat your allergy.
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Family hanging out on a couch together
Understanding AllergiesMonth-By-Month Pollen Allergy Guide
Ever wonder what the pollen is going to be like each month? The weather, location, and time of year determine which types of pollen are most prevalent. This quick guide can help you understand which months have the highest levels of pollen and help you plan ahead throughout the year.
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A woman smiles while holding a small potted plant in her hand as she works in her garden.
Understanding AllergiesAbout Weed Pollen Allergies
Learn about weed pollen and how you can manage this powerful allergy trigger. Find out where it is found and what to watch out for.
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A person in a field touching their face
Understanding AllergiesWhat is Hay Fever?
Discover what hay fever is, when it strikes and how it is connected to seasonal allergies. Plus, learn about common symptoms, causes and remedies to help with relief.
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Woman sitting indoors reading to two children
Kids' AllergiesHow to Help Relieve Children's Indoor Allergies
Family-friendly tips to learn how to identify common indoor allergy triggers, help minimize your child’s exposure & better manage their allergy symptoms.
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A person with their dog holding a yoga pose in their living room
Understanding AllergiesWhat is a Dust Mite Allergy? (Plus How to Get Rid of Dust Mites in Your Home)
Learn about dust mites, as well as the causes and symptoms of a dust mite allergy. Plus, discover treatment options and how you can get rid of dust mites in your home.
READ MORE
A person enjoying time outside with their dog
Indoor AllergiesAllergies To Dogs: Causes, Symptoms And Treatments
Spot the symptoms of allergies to dogs so you can protect yourself against your reactions, and continue enjoying the company of humanity’s best friend.
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A brown goldendoodle dog
Understanding AllergiesAbout Pet Allergies
Find out what really triggers pet allergies and how to manage a pet dander allergy.
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A young girl and a man are sitting together petting a friendly dog.
Kids' Allergies5 Tips About Kids and Pet Allergies
Children love to pet animals, maybe even more than adults do. That can leave them more exposed to pet allergens than their parents. Here are some important tips that may help manage your kids’ pet allergy symptoms.
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Two women unpack boxes in a room filled with plants, moving boxes, and home decor items.
Indoor Allergies5 Best Allergy Friendly House Plants
Discover five beautiful, low-maintenance house plants that can help reduce allergy symptoms and purify the air in your home.
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Ragweed
Understanding AllergiesRagweed Allergy: Symptoms, Treatment and Definition
Think you might have a ragweed allergy? We take you through the symptoms – as well as offering top tips on how to manage it.
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A person outside gardening
Outdoor AllergiesSeasonal Allergies: Types, Symptoms, Causes, and How To Get Relief
Seasonal allergies can affect different people at different times of year. Discover the symptoms, causes and treatments so you can help control yours.
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A man and a woman playing video games enthusiastically on the couch of a cozy living room
Understanding AllergiesUnderstanding Hives: Causes & Symptoms
Hives can be a frustrating & uncomfortable condition. This article explores what hives are, their causes, and symptoms to help you understand them better.
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Mother helps her two children wash their hands at a white kitchen sink.
Understanding AllergiesManaging Hives at Home: Relief Tips & Prevention Strategies
Hives, or urticaria, are itchy, red welts that can appear suddenly. Learn home remedies & tips to help manage & alleviate hives.
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Smiling girl in a yellow shirt and striped apron holds a tray of muffins while two women kiss her cheeks in a kitchen setting.
Living With AllergiesTreating Hives at Home
Explore treatment options for hives, including OTC antihistamines, home remedies, and when to seek medical attention.
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Elderly couple sitting on a brown leather sofa, smiling with the man in a blue checkered shirt and the woman in a navy shirt, surrounded by a lamp and houseplant.
Understanding AllergiesCan Allergies Get Worse with Age?
Discover why allergies can develop or worsen with age and learn effective management tips to improve your quality of life.
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Older couple and two children smiling together, with one child pointing at the sky.
Understanding AllergiesManaging Allergies in Seniors
Explore common allergy symptoms, causes, and management tips for seniors & learn why treating allergies is important for a comfortable, active life.
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