Sildenafil Alternatives Compared
Sildenafil Remove Sildenafil from your drug comparison | Cialis Remove Cialis from your drug comparison | Viagra Remove Viagra from your drug comparison |
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Sildenafil Remove Sildenafil from your drug comparison | Cialis tadalafil Remove Cialis from your drug comparison | Viagra sildenafil Remove Viagra from your drug comparison | ||||||||||||||||||||||||
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Sildenafil is used to treat erectile dysfunction (ED) and to reduce blood pressure in pulmonary arterial hypertension (PAH). It is taken when needed for ED and on a daily basis for PAH. A headache,... View more |
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 that... View more |
Viagra is used to treat erectile dysfunction (ED), but will not have any effect in the absence of sexual stimulation. A headache, stomach upsets, and flushing are the main side effects. Prescribed... View more |
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Prescription only |
Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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Drug Class |
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Side Effects |
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Commonly reported side effects include: dyspepsia, headache, visual disturbance, flushing. See the full sildenafil side effects document. |
Common side effects include: dyspepsia, headache. See the full Cialis side effects document. |
Common side effects include: dyspepsia, headache, visual disturbance, flushing. See the full Viagra side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all sildenafil prices |
View all Cialis prices and generic prices |
View all Viagra prices and generic prices |
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Generic Availability |
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Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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Revatio, Viagra | Other tadalafil brands include: Adcirca, Alyq | Other sildenafil brands include: Revatio | ||||||||||||||||||||||||
Half LifeThe 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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4 hours |
17.5 hours |
4 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. |
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 B
No proven risk in humans
See the full Pregnancy Warnings document. |
Category B
No proven risk in humans
See the full Pregnancy Warnings document. |
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FDA Alerts |
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Drug Interactions |
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A total of 297 drugs are known to interact with sildenafil:
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A total of 264 drugs are known to interact with Cialis:
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A total of 297 drugs are known to interact with Viagra:
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Alcohol/Food/Lifestyle Interactions |
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Disease Interactions |
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First Approval Date |
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March 27, 1998 |
November 21, 2003 |
March 27, 1998 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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Related Treatment Guide |
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** 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.