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What is the Difference Between Claritin and Allegra?

Allergies impact more than 50 million Americans each year. This is why it s important to find an allergy medication that works for you. Learn all about them here!

It may not be cold season, but for many, it’s still sniffle season. Allergies impact more than 50 million Americans each year. This is why it’s important to find an allergy medication that works for you. The two favorites tend to be Claritin and Allegra. One is not better than the other, but some work better for others. Here’s what you should know about these two relief medications.

Seasonal Allergies

Typically, you are not born with allergies but develop them over time. When people first start to develop allergy symptoms, they often think it’s a cold. They then begin to take cold medicine and wonder why it’s not helping. Unfortunately, it may be seasonal allergies that change over time. For example, you may have an allergy to something like ragweed, also known as hayfever. Later on in life, you may develop a different allergy in the same family like grass or tree pollen. 


Because pinpointing what your triggers are can be expensive and challenging, many opt for an over-the-counter medication like Claritin or Allegra. They are both considered antihistamines. When your body encounters something it sees as a threat (an allergy), it produces histamines to thwart off the “danger.” Antihistamines block these side effects so you can enjoy your life without the uncomfortable hindrance of allergy symptoms. 


Claritin

  • Slightly sedating
  • Treats: sneezing, runny nose, itchy eyes, throat and nose, watery eyes
  • Preferred during pregnancy
  • Treats seasonal allergies and chronic hives
  • Works best after two hours
  • Medicinal liquid option for children as young as two years
  • Not the best choice for someone with liver impairment, as it metabolizes in the liver


Allegra

  • Non-sedating
  • Treats: sneezing, runny nose, itchy eyes, throat and nose, watery eyes
  • Generally considered “safe” for breastfeeding mothers
  • Treats seasonal allergies and chronic hives
  • Works best after three hours
  • Oral option for children as young as six years
  • A better choice for someone with liver impairment


You may want to try both products to see what works best for your allergies. However, we hope you feel more prepared to make a decision the next time you are at the store. Let the guessing game end!


Allergies are a nuisance, but your medicine choice shouldn’t be! If you have further concerns about your allergies, contact Advanced Respiratory Care Network today.

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How to Improve Your Heart Health
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RSV, Flu, or COVID: A Parent’s Guide to Respiratory Illnesses in Children
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Emergency COVID Symptoms
Tuesday, February 22, 2022

At Advanced Respiratory Care, our goal is to help you understand when your symptoms warrant emergency action.

What to Expect in an Allergy Test
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If you have never had an allergy test, you might not know what happens or how to prepare for one. Find out here.

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Here we will discuss some precautions to take to ensure your oxygen is used correctly and safely.

Thanksgiving, Sodium, and Your Heart: 5 Holiday Eating Tips for Canadians
Wednesday, October 1, 2025

Thanksgiving is a time for comfort, connection, and heart-smart choices, so we're sharing 5 simple tips to help you enjoy your favourite dishes while protecting your heart and lungs.

3 Ways to Improve Your Lung Health
Wednesday, November 25, 2020

It's common for individuals to overlook their lung health until a respiratory problem occurs. Rather than waiting for a lung issue to happen, it's a good idea to make these lifestyle changes now to prevent those issues from ever happening.

How Accurate Are COVID-19 Tests?
Tuesday, February 22, 2022

At Advanced Respiratory Care, we want you to know which COVID-19 test you should be taking, and that you can trust the results of each of those tests.

What is the Difference Between Claritin and Allegra?
Wednesday, July 31, 2019

Allergies impact more than 50 million Americans each year. This is why it s important to find an allergy medication that works for you. Learn all about them here!

Show more from Blog

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