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Comparing Cialis vs Levitra

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Cialis Remove Cialis from your drug comparison	Levitra Remove Levitra from your drug comparison	Add another drug to compare

Cialis tadalafil

Levitra vardenafil

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

Prescribed for Erectile Dysfunction. Levitra may also be used for purposes not listed in this medication guide.

Prescription only

Ratings & Reviews

View all 494 reviews

View all 131 reviews

Drug Class

Impotence agents

Impotence agents

Side Effects

Common side effects include: dyspepsia, and headache.

See the full Cialis side effects document.

Common side effects include: headache, and flushing.

See the full Levitra side effects document.

Pricing and Coupons

* Prices are without insurance

Quantity	3 tablet
Dosage	20 mg
Per Unit^*	$32.34
Cost^*	$97.03

View all Cialis prices and generic prices

Quantity	2 tablet
Dosage	20 mg
Per Unit^*	$15.66
Cost^*	$31.31

View all Levitra prices and generic prices

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Generic Availability

Yes

Dosage Form(s) Available

Oral tablet

Oral tablet

Brand Names

Other tadalafil brands include: Adcirca, Alyq Other vardenafil brands include: Staxyn

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.

17.5 hours

5 hours

CSA Schedule**

View glossary of terms.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

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.

FDA Alerts

FDA Alerts (8)

FDA Alerts (3)

Drug Interactions

A total of 264 drugs are known to interact with Cialis:

9 major drug interactions (51 brand and generic names)
157 moderate drug interactions (493 brand and generic names)
98 minor drug interactions (272 brand and generic names)

A total of 434 drugs are known to interact with Levitra:

71 major drug interactions (231 brand and generic names)
360 moderate drug interactions (1209 brand and generic names)
3 minor drug interactions (8 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Tadalafil can lower blood pressure, and combining it with alcohol may further increase this effect.... View more

Grapefruit juice may increase the blood levels of certain medications such as vardenafil. You may... View more
Vardenafil can lower blood pressure, and combining it with alcohol may further increase this... View more

Disease Interactions

First Approval Date

November 21, 2003

August 19, 2003

WADA Class

View World Anti-Doping Agency classifications.

N/A

More Information

** 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.

Medical Disclaimer