Indoor Allergies
Allergies 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.
Pollen Count
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Allergy Forecast
Discover Your Allergy Forecast with ZYRTEC®
Get allergy forecasts & see pollen counts near you today with our online allergy index tool or try the ALLERGYCAST® app for a personalized allergy forecast & tracker.
Allergy Treatment
What 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.
Outdoor Allergies
Understanding 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
Outdoor Allergies
Allergies & the Weather
See how the changing weather can affect your seasonal allergies and learn about ways to help keep allergies in check during seasonal shifts.
Allergy Symptoms
6 Things to Know About Sinuses
You know sinuses are in your head, but have you ever wondered exactly what they are? Here are some things to know about sinuses.
Allergy Treatment
What 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.
Allergy Symptoms
Itchy, Runny Nose from Allergies: Causes, Symptoms and Relief
Got an itchy nose, or a nose that won’t stop running? It could be due to allergies, or allergic rhinitis. Discover itchy & runny nose causes, symptoms & treatments.
