Compare Viagra vs. Levitra

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

Viagra
(sildenafil)

Levitra
(vardenafil)

Helps you get aroused. Viagra (Sildenafil) is a first-choice treatment for erectile dysfunction. However, you need to take it at least 30 minutes before having sex, so the lack of spontaneity may not work for some people.Helps you get aroused. Levitra (Vardenafil) is a first-choice treatment for erectile dysfunction. However, you have to take it at least 60 minutes prior to sex, so the lack of spontaneity may not be good for some people. It can also be expensive.
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Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.12Viagra
Reviews for Viagra (sildenafil)
67%
of people (All ages) say Viagra (sildenafil) is worth it
51%
say it works well
16%
say it's a big hassle
843 reviews
Have you used Viagra (sildenafil)?
Worth itNot sureNot worth it
Reviews for Levitra (vardenafil)
62%
-5% worse vs. Viagra (sildenafil)
36%
-15% worse vs. Viagra (sildenafil)
19%
-3% worse vs. Viagra (sildenafil)
Have you used Levitra (vardenafil)?
Worth itNot sureNot worth it
Side effects
ViagraLevitra
  • Headache 12%
  • Flushing 9%
  • Indigestion 5%
  • Nasal congestion 2%
  • Urinary tract infection 1%
  • Abnormal vision 3%
  • Diarrhea 2%
  • Dizziness 1%
  • Rash 1%
  • Respiratory tract infection 2%
More Viagra side effects »
  • Allergic edema and angioedema 2%
  • Feeling unwell 2%
  • Allergic reactions 2%
  • Chest pain 2%
  • Ringing in the ears 2%
More Levitra side effects »
How it works
ViagraLevitra
Viagra (Sildenafil) is a PDE-5 inhibitor. Blocking PDE-5 allows blood to enter the penis and helps create an erection.Levitra (Vardenafil) is a PDE-5 inhibitor. Blocking PDE-5 allows blood to enter the penis and helps create an erection.
Type of medication
ViagraLevitra
Prescription only
Prescription only
Available as
ViagraLevitra
  • Pill
  • Pill
  • Dissolving tablet
Used for
ViagraLevitra
Risk factors for serious side effects
ViagraLevitra
  • Having a heart attack, stroke, or rhythm problem in your heart in the last 6 months
  • Having low or high blood pressure
  • Heart failure or coronary artery disease causing unstable angina (chest pain)
    • Men over 50 years of age
      • Taking alpha blockers
      • Taking medications for high blood pressure
      Detailed Viagra (sildenafil) risks & warnings »
      • Having a heart attack, stroke, or rhythm problem in your heart in the last 6 months
      • Having low or high blood pressure
      • Heart failure or coronary artery disease causing unstable angina (chest pain)
        • Men over 50 years of age
          • Taking alpha blockers
          • Taking medications for high blood pressure
          • Taking medications to control your heart rhythm
          Detailed Levitra (vardenafil) risks & warnings »
          Pregnancy

          Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

          Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

          Food
          ViagraLevitra
          • Taking it after eating a high-fat meal can delay or reduce its effects.
          • It can be taken with or without food.
          Upsides and benefits
          ViagraLevitra
          • First-choice medication for treating erectile dysfunction.
          • It can be taken just when you need it.
          • First-choice medication for treating erectile dysfunction.
          • It can be taken only when you need it.
          • It can be taken with or without food.
          • Available in two different forms, as a regular tablet and as an orally-disintegrating tablet.
          Downsides and risks
          ViagraLevitra
          • You need to take it at least 30 minutes before sex.
          • 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.
          • Side effects can be more pronounced if you're over age 65.
          • Can cause flushing, headache, and dizziness, or sudden hearing and vision changes.
          • Can't use if you've recently taken nitrates like Isordil, Imdur, or nitroglycerin (Nitro-BID, Nitro-Dur, Nitrostat).
          • Taking it after eating a high-fat meal can delay or reduce its effects.
          • Needs to be taken at least 60 minutes before sex.
          • Only available as brand name, so it can be expensive.
          • You need to reduce the amount of grapefruit you eat while taking Levitra (Vardenafil).
          • Can cause flushing, headache, and dizziness, or sudden hearing and vision changes.
          • Can't use if you've recently taken nitrates like Isordil, Imdur, or nitroglycerin (Nitro-BID, Nitro-Dur, Nitrostat).
          Tips from our pharmacists for people taking the medication
          ViagraLevitra
          • It's best to take Viagra (Sildenafil) about 1 hour before sexual activity, but you can take it anywhere between 4 hours and 30 minutes before you need it.
          • Don't take it more than once a day.
          • If you have an erection for more than 4 hours, go to the ER or call your doctor.
          • Can cause flushing, a headache, or dizziness.
          • Works best when taken on an empty stomach. Fatty foods can prevent Viagra (Sildenafil) from working as well.
          • It's best to take Levitra (Vardenafil) about 1 hour before sexual activity, but you can take it anywhere between 4 hours and 30 minutes before you need it.
          • Don't take it more than once a day.
          • If you have an erection for more than 4 hours, go to the ER or call your doctor.
          • Can cause flushing, a headache, or dizziness.
          Learn more
          More about ViagraSide effectsReviews & ratingsAlternativesFDA package insert
          Have you used Viagra (sildenafil)?
          Worth itNot sureNot worth it
          More about LevitraSide effectsReviews & ratingsAlternativesFDA package insert
          Have you used Levitra (vardenafil)?
          Worth itNot sureNot worth it