Comparing Promethazine vs Vistaril
Promethazine | Vistaril |
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Promethazine | Vistaril (hydroxyzine) |
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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 only
Vistaril (hydroxyzine) may be used to relieve anxiety or itching. Drowsiness may occur, especially on dosage initiation, which may affect a person's ability to drive or operate machinery. Some... View more |
Related suggestions Nausea/Vomiting
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More about Promethazine | More about Vistaril (hydroxyzine) | ||||||||||||||||
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. |
Vistaril has an average rating of 5.6 out of 10 from a total of 231 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 39% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: promethazine side effects in more detail. |
See also: Vistaril side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all promethazine prices |
View all Vistaril prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Adgan, Anergan 50, Antinaus 50, Phenadoz, Promethegan |
N/A |
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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 |
7 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 N
Not classified
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 584 drugs are known to interact with Vistaril:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
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First Approval Date | |||||||||||||||||
March 29, 1951 |
June 03, 1959 |
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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.