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Compare Zyrtec  vs Allegra
Uses of Zyrtec |
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| | Zyrtec is also known by the generic name CetirizineUSES: This medication is an antihistamine that treats symptoms such as itching, runny nose, watery eyes, and sneezing from "hay fever" and other allergies. It is also used to relieve itching from hives. Cetirizine does not prevent hives or prevent/treat a serious allergic reaction (e.g., anaphylaxis). Therefore, if your doctor has prescribed epinephrine to treat allergic reactions, always carry your epinephrine injector with you. Do not use cetirizine in place of your epinephrine. If you are self-treating with this medication, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist. (See also Precautions section.) |
Uses of Allegra |
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| | Allegra is also known by the generic name Fexofenadine
USES:
Fexofenadine is an antihistamine that provides relief of seasonal allergy symptoms such as runny or itchy nose, sneezing, itchy throat, and watery, itchy, or red eyes. It is also used for hives.
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Zyrtec and Allegra Have 1 Life Threatening (Major) Side Effects in Common |
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| | Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of both Zyrtec and Allegra. |
Zyrtec Has 9 Life Threatening (Major) Side Effects Not Found in Allegra |
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| | Critical Seriousness - Heart Throbbing or Pounding - Palpitations is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Abnormal Heart Rhythm - Conduction Disorder of the Heart is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Seizures - Seizure Disorder is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Hepatitis is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Fit - Tonic Clonic Seizure is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Bronchospasm - Bronchospastic Pulmonary Disease is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Visible Water Retention - Edema is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Liver Problems - Disease of Liver is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Blockage of Normal Bile Flow - Cholestasis is a Life Threatening Side Effect of Zyrtec but not Allegra. |
Allegra Has 4 Life Threatening (Major) Side Effects Not Found in Zyrtec |
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| | Critical Seriousness - Allergic Reaction caused by a Drug - Hypersensitivity Drug Reactions is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Acute Infection of the Nose, Throat or Sinus - Upper Respiratory Infection is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Zyrtec but not Allegra. Critical Seriousness - Middle Ear Infection - Acute Otitis Media Infection is a Life Threatening Side Effect of Zyrtec but not Allegra. |
Zyrtec and Allegra Have 0 Most Frequently Occurring Side Effects in Common |
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Zyrtec Has 4 Most Frequently Occurring Side Effects Not Found in Allegra |
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| | Drowsiness - Drowsy is a Frequently Occurring Side Effect of Zyrtec but not Allegra. Dryness of the Nose - Dry Nose is a Frequently Occurring Side Effect of Zyrtec but not Allegra. Dry Mouth - Xerostomia is a Frequently Occurring Side Effect of Zyrtec but not Allegra. Throat Dryness - Dry Throat is a Frequently Occurring Side Effect of Zyrtec but not Allegra. |
Allegra Has 0 Most Frequently Occurring Side Effects Not Found in Allegra |
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Zyrtec and Allegra Treat 10 Conditions in Common |
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| | Inflammation of the Nose due to an Allergy - Allergic Rhinitis is treated by both Zyrtec and Allegra. Seasonal Runny Nose - Seasonal Allergic Rhinitis is treated by both Zyrtec and Allegra. Hives - Urticaria is treated by both Zyrtec and Allegra. Persistent Hives of Unknown Cause - Chronic Idiopathic Urticaria is treated by both Zyrtec and Allegra. |
Zyrtec has 4 Condition Contraindications |
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| | If you have any of these Conditions then you should carefully evaluate the risks of taking Zyrtec.
Zyrtec Oral Contraindications
(grouped by decreasing seriousness level)
Relative Contraindications 
Renal Disease - Kidney Disease is a contraindication of Zyrtec.
Contraindication Warnings
Disease of Liver - Liver Problems is a contraindication of Zyrtec.
Glaucoma - Increased Pressure in Eyes is a contraindication of Zyrtec.
Urinary Retention - Cannot Empty Bladder is a contraindication of Zyrtec. |
Allegra has 1 Condition Contraindications |
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| | If you have any of these Conditions then you should carefully evaluate the risks of taking Allegra.
Allegra Oral Contraindications
(grouped by decreasing seriouosness level)
Contraindication Warnings
Renal Disease - Kidney Disease is a contraindication of Allegra. |
Zyrtec - Symptoms of overdose may include
severe drowsiness. In children, symptoms may include: restlessness and irritability, and may be followed by drowsiness.
Allegra - Symptoms of overdose may include
unusual drowsiness.
Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.
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