Comparing Phenoxybenzamine vs Prazosin
| Phenoxybenzamine | Prazosin |
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| Phenoxybenzamine | Prazosin |
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Prescription only
Prescribed for Pheochromocytoma. Phenoxybenzamine may also be used for purposes not listed in this medication guide. |
Prescription only
Prazosin effectively treats high blood pressure but commonly causes dizziness or lightheadedness on initiation or with a dosage increase. However, a tolerance to this effect develops on continued... View more |
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| More about Phenoxybenzamine | More about Prazosin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Be the first to share your experience with this drug. |
Prazosin has an average rating of 6.9 out of 10 from a total of 281 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 24% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
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View all Phenoxybenzamine side effects |
View all Prazosin side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Phenoxybenzamine prices |
View all Prazosin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Dibenzyline | Minipress | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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24 hours |
4 hours |
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| CSA Schedule 1 View glossary of CSA 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 C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 207 drugs are known to interact with Phenoxybenzamine:
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A total of 273 drugs are known to interact with Prazosin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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January 26, 1953 |
June 23, 1976 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
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| Related Treatment Guide | |||||||||||||||||
1 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.
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.