Comparing Cialis vs Proscar
| Cialis (tadalafil) | Proscar (finasteride) |
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| Cialis (tadalafil) | Proscar (finasteride) |
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Prescription only
Cialis is used to treat erectile dysfunction (ED) and to reduce symptoms of benign prostatic hyperplasia (BPH). One 'as needed' tablet lasts for 36 hours or Cialis is available as a lower dosage... View more |
Prescription only
Prescribed for Benign Prostatic Hyperplasia. Proscar may also be used for purposes not listed in this medication guide. |
Related suggestions Benign Prostatic Hyperplasia
Popular comparisons
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| More about Cialis (tadalafil) | More about Proscar (finasteride) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Cialis has an average rating of 8.5 out of 10 from a total of 550 ratings on Drugs.com. 83% of reviewers reported a positive effect, while 9% reported a negative effect. |
Proscar has an average rating of 4.7 out of 10 from a total of 4 ratings on Drugs.com. 33% of reviewers reported a positive effect, while 67% reported a negative effect. |
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| Side Effects | |||||||||||||||||
| Generic Availability | |||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Cialis prices |
View all Proscar prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other tadalafil brands include: Adcirca, Alyq, Chewtadzy, Tadliq | Other finasteride brands include: Propecia | ||||||||||||||||
| 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. | |||||||||||||||||
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17.5 hours |
7.9 hours |
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| CSA Schedule ** View glossary of 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 B
No proven risk in humans
See the full pregnancy warnings document. |
Category X
Not for use in pregnancy
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 332 drugs are known to interact with Cialis:
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A total of 27 drugs are known to interact with Proscar:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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November 21, 2003 |
June 19, 1992 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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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.