Comparing Cetirizine vs Levocetirizine
| Cetirizine | Levocetirizine |
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| Cetirizine | Levocetirizine |
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Prescription and OTC
Cetirizine is an antihistamine that effectively treats allergic reactions such as hay fever or skin reactions caused by insect bites. Although drowsiness with cetirizine is uncommon, cetirizine is... View more |
Prescription and OTC
Prescribed for Urticaria, Allergic Rhinitis, Allergies. levocetirizine may also be used for purposes not listed in this medication guide. |
Related suggestions Allergic Rhinitis
Urticaria
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| More about Cetirizine | More about Levocetirizine | ||||||||||||||||
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| Ratings & Reviews | |||||||||||||||||
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Cetirizine has an average rating of 5.8 out of 10 from a total of 290 ratings on Drugs.com. 46% of reviewers reported a positive effect, while 36% reported a negative effect. |
Levocetirizine has an average rating of 5.6 out of 10 from a total of 341 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 40% reported a negative effect. |
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| Side Effects | |||||||||||||||||
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See also: cetirizine side effects in more detail. |
See also: levocetirizine side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all cetirizine prices |
View all levocetirizine prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| All Day Allergy, All Day Allergy Children's, Aller-Tec, Aller-Tec Children's, Alleroff, Children's Allergy Relief, Equate Allergy Relief, PediaCare Children's 24-Hour Allergy, Quzyttir, Zyrtec, Zyrtec Hives View more | Xyzal, Xyzal Allergy 24HR | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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10.6 hours |
8 hours |
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| CSA Schedule ** View glossary of terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category B
No proven risk in humans
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 254 drugs are known to interact with cetirizine:
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A total of 254 drugs are known to interact with levocetirizine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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December 08, 1995 |
N/A |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| Related Treatment Guide | |||||||||||||||||
** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.