Comparing Promethazine vs Cetirizine
Promethazine | Cetirizine |
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Promethazine | Cetirizine |
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Prescription only
Promethazine may be used to relieve allergy symptoms and nausea. Sedation is the main side effect and it may interact with several other drugs including antidepressants, antipsychotics, and other... View more |
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 |
Related suggestions Allergic Rhinitis
Urticaria
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More about Promethazine | More about Cetirizine | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Promethazine has an average rating of 7.3 out of 10 from a total of 381 ratings on Drugs.com. 65% of reviewers reported a positive effect, while 21% reported a negative effect. |
Cetirizine has an average rating of 5.8 out of 10 from a total of 290 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 36% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: promethazine side effects in more detail. |
See also: cetirizine side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic |
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all promethazine prices |
View all cetirizine prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Adgan, Anergan 50, Antinaus 50, Phenadoz, Promethegan | 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 | ||||||||||||||||
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. | |||||||||||||||||
16 hours |
10.6 hours |
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CSA Schedule ** View glossary of terms | |||||||||||||||||
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 | |||||||||||||||||
Category C
Risk cannot be ruled out
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 | |||||||||||||||||
A total of 689 drugs are known to interact with promethazine:
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A total of 258 drugs are known to interact with cetirizine:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
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First Approval Date | |||||||||||||||||
March 29, 1951 |
December 08, 1995 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
N/A |
N/A |
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More Information | |||||||||||||||||
Patient resources | |||||||||||||||||
Professional Resources | |||||||||||||||||
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.