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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.

Benefits to Having a Home Air Purifier
Wednesday, March 31, 2021
Wednesday, March 31, 2021

If you don't have a home air purifier, now's a good time to consider investing in one. You may be curious just how these can be beneficial to your overall health and wellbeing, which is why we're here to share some of the top benefits to having one.

Traveling with Home Oxygen: Tips for a Safe and Enjoyable Trip
Friday, April 26, 2024
Friday, April 26, 2024

Traveling can be a rewarding experience, allowing you to explore new places and create lasting memories. However, for individuals who require home oxygen therapy, traveling can also present unique challenges.

More Mosquitoes Because of More Wind Farms?
Thursday, June 27, 2019
Friday, June 12, 2020

Here is some information you may not know about the new scenery in your area.

Firefighters, Smoke Exposure, and Lung Health: Why Regular Respiratory Testing Matters
Wednesday, January 14, 2026
Thursday, January 22, 2026

Learn what firefighters are really breathing in, the short- and long-term risks, and why regular pulmonary function testing matters.

Heart Month: Top Tips to Improve Heart Health
Wednesday, February 1, 2023
Wednesday, February 1, 2023

February is American Heart Month and to raise awareness around heart health, we want to share a few tips on how to improve your heart health.

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What Pulmonary Function Tests (PFTs) Tell Your Doctor About Your Lung Health
Thursday, March 31, 2022
Thursday, March 31, 2022

If your doctor has prescribed a pulmonary function test for you to take, you likely have a lot of questions. We're here to help answer some questions.

Why Respiratory Therapists Are Important
Wednesday, September 28, 2022
Wednesday, September 28, 2022

Respiratory Care Week gives us all an opportunity to show support and thank respiratory therapists for their dedication and hard work.

Exploring Why So Many Canadians Are Living with Undiagnosed COPD
Monday, September 15, 2025
Tuesday, August 26, 2025

Did you know that up to 70% of Canadians with COPD don't even know they have it? It's actually one of the leading causes of hospitalisation in Canada, but early detection can make all the difference.

Recommendations for Asthmatics During Wildfire Season
Tuesday, September 3, 2019
Friday, June 12, 2020

If you live with asthma and are still in an area impacted by the wildfires, or are in a banned area, here are tips to help you!

Coping with Emotional and Social Challenges of Home Oxygen Therapy
Thursday, October 26, 2023
Thursday, October 26, 2023

Home oxygen therapy provides essential respiratory support to individuals with breathing difficulties, such as chronic obstructive pulmonary disease (COPD), cystic fibrosis, or other respiratory conditions.

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