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Zyrtec V Allegra: Which Allergy Medication Is Right For You?

Allegra VS Zyrtec for Hives & Allergies

Allergies can be a real nuisance, causing symptoms like sneezing, itching, and a runny nose. If you suffer from allergies, you know how important it is to find the right medication to provide relief. Two popular options on the market today are Zyrtec and Allegra. In this article, we will compare these two allergy medications and help you decide which one may be the best fit for you.

What is Zyrtec?

Zyrtec, also known by its generic name cetirizine, is an antihistamine that is commonly used to relieve allergy symptoms. It works by blocking the action of histamine, a substance in the body that causes allergic reactions. Zyrtec is available over-the-counter and is approved for use in adults and children aged 6 months and older.

What is Allegra?

Allegra, or fexofenadine, is another antihistamine that is used to treat allergy symptoms. Like Zyrtec, Allegra works by blocking the effects of histamine in the body. Allegra is also available over-the-counter and is approved for use in adults and children aged 2 years and older.


Both Zyrtec and Allegra are highly effective in relieving allergy symptoms such as sneezing, itching, and a runny nose. However, studies have shown that Zyrtec may provide faster relief than Allegra. In one study, participants who took Zyrtec experienced a significant reduction in symptoms within 1 hour, while those who took Allegra took up to 2 hours to experience relief.

Side Effects

When it comes to side effects, both Zyrtec and Allegra are generally well-tolerated. The most common side effects of Zyrtec include drowsiness, dry mouth, and headache. On the other hand, Allegra is known to cause less drowsiness compared to Zyrtec. However, it is important to note that everyone’s body reacts differently to medications, so you may experience different side effects.

Drug Interactions

It is important to be aware of any potential drug interactions when taking allergy medications. Zyrtec may interact with certain medications such as sedatives and tranquilizers, potentially increasing the risk of drowsiness. Allegra, on the other hand, has fewer reported drug interactions. It is always a good idea to consult with your healthcare provider or pharmacist before starting any new medication.


When it comes to cost, both Zyrtec and Allegra are available in generic forms, which are typically less expensive than the brand-name versions. However, the cost may vary depending on the dosage and quantity. It is worth comparing prices and checking if your insurance covers either medication to find the most cost-effective option for you.


Choosing between Zyrtec and Allegra ultimately comes down to personal preference and individual needs. If you are looking for fast relief, Zyrtec may be the better option for you. On the other hand, if you are concerned about drowsiness, Allegra may be a better choice. It is always best to consult with your healthcare provider to determine which medication is most suitable for your specific allergies and medical history.

Remember, allergies can vary greatly from person to person, so what works for one may not work for another. It may take some trial and error to find the right medication that provides optimal relief for your symptoms. Don’t hesitate to reach out to your healthcare provider for guidance and support in managing your allergies.

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