Compare Viagra vs. Stendra

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Viagra (sildenafil)

Prescription only

Stendra (avanafil)

Prescription only
Helps you get aroused and achieve an erection/orgasm.

Viagra (sildenafil) is an effective, first-choice treatment for erectile dysfunction. However, you need to take Viagra (sildenafil) at least 30 minutes before having sex, so the lack of spontaneity may not work for some people.

3.7/ 5 average rating with 843 reviewsforViagra
Helps you get an erection.

Stendra (avanafil) is an effective, first-choice treatment for erectile dysfunction, but it can be expensive.

Upsides
  • Viagra (sildenafil) is the first-choice medication for treating erectile dysfunction.
  • Viagra (sildenafil) does not have to be taken everyday, it can be taken when you need it.
  • Stendra (avanafil) works faster than its alternatives and is tolerated well.
Downsides
  • Viagra (sildenafil) can't be taken if you've had a heart attack in the past 3 months, or stroke or heart failure in the past 6 months.
  • Viagra (sildenafil) can cause flushing, headache and dizziness, or sudden hearing and vision changes.
  • You can't use Viagra (sildenafil) if you've recently taken nitrates like Isordil, Imdur, or nitroglycerin (Nitro-BID, Nitro-Dur, Nitrostat).
  • Might not be a good option if you have kidney, liver, or heart problems.
  • Only available as brand name, so it can be expensive.
  • Stendra (avanafil) doesn't last as long as other medications like it.
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Used for
Dosage forms
  • Pill
  • Pill
Price
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Reviews
843 reviews so far
67%
saidit'sworth it
51%
saiditworked well
16%
saidit'sa big hassle

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Side effects
9possible side effects
  • Headache
    16%
  • Flushing
    10%
  • Indigestion
    7%
  • Nasal Congestion
    4%
  • Urinary Tract Infection
    3%
  • Abnormal Vision
    3%
  • Diarrhea
    3%
  • Dizziness
    2%
  • Rash
    2%
See more detailed side effects
4possible side effects
  • Headache
    5%
  • Flushing
    3%
  • Back pain
    3%
  • Stuffy nose
    2%
See more detailed side effects
Risks and risk factors
  • Heart attack or stroke
    • Having a heart attack, stroke, or rhythm problem in your heart in the last 6 months
  • Prolonged erection
  • Vision changes
    • Men over 50 years of age
  • Hearing loss
  • Low blood pressure
    • Taking alpha blockers
    • Taking medications for high blood pressure
    • Drinking alcohol
See more detailed risks and warnings
  • Heart problems
    • Low blood pressure
    • High blood pressure
    • History of heart problems
  • Prolonged erection
    • History of leukemia
    • History of multiple myeloma
    • History of sickle cell anemia
  • Vision loss
  • Hearing loss
  • Low blood pressure
    • Taking alpha-blockers
    • Taking nitrates
    • Taking medicines for high blood pressure
    • Drinking alcohol
See more detailed risks and warnings