Comparing Doxazosin vs Flomax
| Doxazosin | Flomax (tamsulosin) |
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| Doxazosin | Flomax (tamsulosin) |
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Prescription only
Doxazosin is used for the treatment of BPH and high blood pressure. It may cause dizziness or lightheadedness on initiation or with a dosage increase; however, a tolerance to this effect develops on... View more |
Prescription only
Flomax restores urine flow in men with BPH but may cause a drop in blood pressure when going from a sitting to a standing position. Prescribed for Benign Prostatic Hyperplasia. Flomax may also be... View more |
Related suggestions Benign Prostatic Hyperplasia
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| More about Doxazosin | More about Flomax (tamsulosin) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Doxazosin has an average rating of 5.4 out of 10 from a total of 68 ratings on Drugs.com. 37% of reviewers reported a positive effect, while 35% reported a negative effect. |
Flomax has an average rating of 5.9 out of 10 from a total of 297 ratings on Drugs.com. 42% of reviewers reported a positive effect, while 31% 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 Doxazosin side effects |
View all Flomax side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic approved | ||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Doxazosin prices |
View all Flomax prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Cardura, Cardura XL, Carduran, Cascor, Doxadura |
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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22 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 322 drugs are known to interact with Doxazosin:
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A total of 309 drugs are known to interact with Flomax:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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November 02, 1990 |
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 | |||||||||||||||||
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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.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.