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Comparing Sildenafil vs Stendra

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Sildenafil Stendra (avanafil)
View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Sildenafil Stendra (avanafil)
Prescription only

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 daily for PAH. A headache, stomach... View more

Prescription only

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

More about Sildenafil More about Stendra (avanafil)
Ratings & Reviews

Sildenafil has an average rating of 8.3 out of 10 from a total of 499 ratings on Drugs.com. 79% of reviewers reported a positive effect, while 12% reported a negative effect.

Stendra has an average rating of 5.7 out of 10 from a total of 60 ratings on Drugs.com. 47% of reviewers reported a positive effect, while 40% reported a negative effect.

View all 499 reviews

View all 60 reviews

Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified.

View all Sildenafil side effects

View all Stendra side effects
Drug Class
Generic Availability

Lower cost generic

Lower cost generic approved
Pricing and Coupons * Prices are without insurance
Quantity 2 tablet
Strength 100 mg
Per unit* $5.07 - $14.31
Cost* $10.13 - $28.62

View all Sildenafil prices

Quantity 30 tablet
Strength 50 mg
Per unit* $69.86
Cost* $2,095.90

View all Stendra prices

Get free Discount Card

Get free Discount Card

Dosage Forms
  • Intravenous solution
  • Oral powder for reconstitution
  • Oral tablet
  • Oral tablet
Brand Names
Revatio, Viagra

N/A
Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value.

4 hours

5 hours
CSA Schedule 1 View glossary of CSA terms
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
N
Not a controlled drug

Is not subject to the Controlled Substances Act.
Pregnancy Category
B
Category B No proven risk in humans

See the full pregnancy warnings document.
C
Category C Risk cannot be ruled out

See the full pregnancy warnings document.
Drug Interactions

A total of 367 drugs are known to interact with Sildenafil:

  • 101 major drug interactions (359 brand and generic names)
  • 260 moderate drug interactions (790 brand and generic names)
  • 6 minor drug interactions (46 brand and generic names)

A total of 313 drugs are known to interact with Stendra:

  • 63 major drug interactions (226 brand and generic names)
  • 246 moderate drug interactions (730 brand and generic names)
  • 4 minor drug interactions (8 brand and generic names)
Alcohol/Food/Lifestyle Interactions
  • If you are receiving therapy with sildenafil you should avoid the regular consumption of large... View more
  • Sildenafil can lower blood pressure, and combining it with alcohol may further increase this... View more
  • Avanafil can lower blood pressure, and combining it with alcohol may further increase this effect... View more
Disease Interactions
First Approval Date

March 27, 1998

N/A
WADA Class View classifications

N/A

N/A
More Information
Patient Resources
Professional Resources
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.

Medical Disclaimer

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