what is the difference in zyrtec and allegra?
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Allegra works within two hours and Zyrtec works within one hour. Several studies have found cetirizine (Zyrtec) to be more effective than fexofenadine (Allegra) at relieving symptoms of allergic rhinitis and urticaria, and it appears to have a longer duration of action.
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by Drugs.com The difference is Zyrtec is more likely to cause sedation than Claritin. Zyrtec also has a quicker onset of action (one hour vs up to three hours for Claritin) but both last for 24 hours. Zyrtec is a brand name for the drug cetirizine and Claritin is a brand name for the drug loratadine.
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Are Chlor-Trimeton and Zyrtec the Same Thing? Chlor-Trimeton (chlorpheniramine maleate) and Zyrtec (cetirizine hydrochloride) are antihistamines used to treat sneezing, itching, watery eyes, and runny nose caused by allergies or the common cold.
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The active ingredient in Zyrtec is cetirizine. In Claritin, it's loratadine.
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One major difference is their onset of action. Cetirizine relieves allergy symptoms in as little as one hour while loratadine may take up to three hours to be effective. The other difference is that cetirizine is more sedating than loratadine and is more likely to cause drowsiness.
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Are Zyrtec and Claritin the same? Both Zyrtec and Claritin belong to the same drug class but their generic forms are different. Zyrtec has the active compound cetirizine hydrochloride while Claritin has the active compound loratadine. Zyrtec has more sedating properties compared to Claritin.
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Flonase and Zyrtec belong to different drug classes. Flonase is a corticosteroid and Zyrtec is an antihistamine. Flonase is a nasal spray and Zyrtec is taken orally in tablet form.
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ZYRTEC® is an over-the-counter medicine that provides effective, 24-hour relief of indoor and outdoor allergy symptoms.
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Takeaway. Both Xyzal and Zyrtec are effective over-the-counter allergy relief drugs with a very similar chemical makeup. Both are likely to make you less drowsy than alternatives such as Benadryl. Ask your doctor for a recommendation about which one might best address your allergy symptoms.
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The difference between Xyzal and Zyrtec They're both marketed as providing relief from the symptoms of allergies. Sanofi promotes Xyzal as a mirror image of Zyrtec, without the part of the drug that causes drowsiness. Both are available over-the-counter (OTC) without prescriptions.
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Allegra (fexofenadine) and Zyrtec (cetirizine) are both antihistamines that are available OTC in brand-name and generic form. Both are available in a variety of formats for dosing preference, such as tablet and liquid form. Allegra and Zyrtec are both used in adults and children.
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['dexchlorpheniramine (Polaramine®) – this is a first gen. ... ', 'promethazine (Pherergan®) – this is also a first gen. ... ', 'fexofenadine (Telfast®) – this is a second gen. ... ', 'loratadine (Claratyne®) – also second gen. ... ', 'cetirizine (Zyrtec®) – also second gen.']
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A main difference between Benadryl and Allegra is that Allegra tends to cause less drowsiness and sedation than Benadryl. Benadryl and Allegra are available in generic form and over-the-counter (OTC).
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Allegra is a brand name for the drug fexofenadine and Claritin is a brand name for the drug loratadine.
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How is ZYRTEC-D® different from ZYRTEC®? ZYRTEC-D® contains pseudoephedrine, which relieves nasal congestion. So it relieves all the same symptoms as ZYRTEC®, plus it also has a powerful decongestant.
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Xyzal and Zyrtec are classified as non-sedating antihistamines along with other popular medications such as Claritin (loratadine) and Allegra (fexofenadine) but they still do have the potential to cause some drowsiness. However, Xyzal may cause less drowsiness than Zyrtec.
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Benadryl is also used to treat insomnia, motion sickness, and mild cases of Parkinsonism. A main difference between Benadryl and Allegra is that Allegra tends to cause less drowsiness and sedation than Benadryl. Benadryl and Allegra are available in generic form and over-the-counter (OTC).