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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®.
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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.
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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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