Compare Viagra vs. Levitra

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

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Viagra (sildenafil)

Prescription only

Levitra (vardenafil)

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.

Levitra (vardenafil) helps with erectile dysfunction, but it may be expensive if not covered by your insurance.

3.4/ 5 average rating with 47 reviewsforLevitra
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.
  • Shorter-acting compared to Cialis and may be preferable for occasional, as needed use.
  • You can take it with or without food.
  • It is better than taking an injection for erectile dysfunction.
  • Staxyn is a dissolving tablet, which can work faster than the pill.
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).
  • It's not safe to take more than one tablet a day.
  • Levitra (vardenafil) is only available as a brand name, so it can be expensive.
  • You can't use Levitra (vardenafil) if you've recently taken nitrates like Isordil, Imdur, or nitroglycerin (Nitro-BID, Nitro-Dur, Nitrostat).
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Used for
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
Price
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Reviews
843 reviews so far
67%
saidit'sworth it
51%
saiditworked well
16%
saidit'sa big hassle

Have you used Viagra (sildenafil)?

Leave a review
47 reviews so far
62%
saidit'sworth it
36%
saiditworked well
19%
saidit'sa big hassle

Have you used Levitra (vardenafil)?

Leave a review
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
10possible side effects
  • Headache
    15%
  • Flushing
    11%
  • Stuffy nose
    9%
  • Upset stomach
    4%
  • Accidental injury
    3%
  • Sinus infection
    3%
  • Flu-like symptoms
    3%
  • Dizziness
    2%
  • Increased creatinine kinase levels
    2%
  • Nausea
    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
    • Angina
    • Arrhythmia
    • Low blood or high pressure
    • Heart attack
    • History of stroke
    • Heart failure or heart disease
  • Prolonged erection
    • Peyronie's disease
    • Cavernosal fibrosis
  • Sudden vision or hearing loss
  • Low blood pressure
    • Taking alpha blockers
    • Taking nitrates
    • Taking blood pressure medicines
    • Taking riociguat
  • Increased side effects with other medicines
    • Age 65 years or older
    • Liver disease
    • Kidney disease
    • Taking medicines such as alpha blockers, ketoconazole, or ritonavir
See more detailed risks and warnings