Comparing Prazosin vs Tamsulosin
| Prazosin | Tamsulosin |
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| Prazosin | Tamsulosin |
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Prescription only
Prazosin lowers high blood pressure but commonly causes dizziness or drowsiness that may impair driving or operating machinery. This is most likely in the first 24 hours, after dose increases, when... View more |
Prescription only
Tamsulosin improves the symptoms of BPH such as urine flow, hesitancy, and incomplete bladder emptying, but may cause a drop in blood pressure when going from a sitting to a standing position, which... View more |
Related suggestions Popular comparisons
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| More about Prazosin | More about Tamsulosin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Prazosin has an average rating of 7.0 out of 10 from a total of 283 ratings on Drugs.com. 60% of reviewers reported a positive effect, while 24% reported a negative effect. |
Tamsulosin has an average rating of 5.8 out of 10 from a total of 563 ratings on Drugs.com. 39% of reviewers reported a positive effect, while 33% 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. | |||||||||||||||||
View all Prazosin side effects |
View all Tamsulosin 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 Prazosin prices |
View all Tamsulosin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Minipress |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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4 hours |
19 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 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 275 drugs are known to interact with Prazosin:
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A total of 311 drugs are known to interact with Tamsulosin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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June 23, 1976 |
April 15, 1997 |
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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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.