Compare Cialis vs. Levitra

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

Cialis
(Tadalafil)

Levitra
(Vardenafil)

Helps you get aroused. Cialis (Tadalafil) is the only medication in its class that treats both erectile dysfunction and enlarged prostate symptoms. You can also take it on a regular basis, which can allow for more spontaneity, but it can be expensive.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
Button Group. All currently active
Button Group. All currently active
4.887788778877888Cialis
Reviews for Cialis (Tadalafil)
66%
of people say Cialis (Tadalafil) is worth it
46%
say it works well
14%
say it's a big hassle
Reviews for Levitra (Vardenafil)
62%
4% vs. Cialis (Tadalafil)
36%
10% vs. Cialis (Tadalafil)
19%
5% vs. Cialis (Tadalafil)
Side effects
CialisLevitra
  • Headache 10%
  • Indigestion 9%
  • "stomach flu" 3%
  • Back pain 3%
  • Muscle pain 3%
  • Flushinga 2%
  • Flushing 2%
  • Pain in limb 2%
  • Common cold 1%
More Cialis side effects »
    More Levitra side effects »
    How it works
    CialisLevitra
    Cialis (Tadalafil) is a PDE-5 inhibitor. Blocking PDE-5 allows blood to enter the penis and helps create an erection. Cialis (Tadalafil) also treats enlarged prostate symptoms.Levitra (Vardenafil) is a PDE-5 inhibitor. Blocking PDE-5 allows blood to enter the penis and helps create an erection.
    Type of medication
    CialisLevitra
    Phosphodiesterase-5 enzyme inhibitorPrescription only
    Phosphodiesterase-5 enzyme inhibitorPrescription only
    Available as
    CialisLevitra
    • Pill
    • Pill
    • Dissolving tablet
    Used for (click to learn more)
    CialisLevitra
    Risk factors for serious side effects
    CialisLevitra
        • Men over 50 years of age
          Detailed Cialis (Tadalafil) 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 category
              CialisLevitra
              BFDA pregnancy category (Probably safe)

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

              See the FDA package insert
              BFDA pregnancy category (Probably safe)

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

              See the FDA package insert
              Alcohol
              • Don't drink a lot of alcohol when you're taking this medication since it can make dizziness worse.
              No specific alcohol-related info.
              Food
              • Can be taken with or without food.
              • Can be taken with or without food.
              • It can be taken with or without food.
              Kidneys and liver
              No specific kidneys and liver-related info.No specific kidneys and liver-related info.
              Sex
              • Can be taken either as needed, or on a regular basis (which allows you to be more spontaneous before sex).
              • If you have an erection for more than 4 hours, go to the ER or call your doctor.
              • There have been reports of men having an erection lasting more than 4 hours while on Cialis (Tadalafil). This has been rare. If not treated in time, this can cause permanent damage to your penis, including impotence. Talk to your doctor immediately or go to the emergency room if this happens.
              • Needs to be taken at least 60 minutes before sex.
              • 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.
              • If you have an erection for more than 4 hours, go to the ER or call your doctor.
              • There have been reports of men having an erection lasting more than 4 hours while on Levitra (Vardenafil). This has been rare. If not treated in time, this can cause permanent damage to your penis, including impotence. Talk to your doctor immediately or go to the emergency room if this happens.
              Sleep
              No specific sleep-related info.No specific sleep-related info.
              Weight
              No specific weight-related info.No specific weight-related info.
              Upsides and benefits
              CialisLevitra
              • It's the only one in its class to also treat enlarged prostate symptoms.
              • Can be taken either as needed, or on a regular basis (which allows you to be more spontaneous before sex).
              • Can be taken with or without food.
              • Lasts longer than Viagra.
              • 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.
              • First-choice medication for treating erectile dysfunction.
              Downsides and risks
              CialisLevitra
              • 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.
              • Only available as brand name, so it can be expensive.
              • 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).
              • Needs to be taken at least 60 minutes before sex.
              • You need to reduce the amount of grapefruit you eat while taking Levitra (Vardenafil).
              • Only available as brand name, so it can be expensive.
              • 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
              CialisLevitra
              • Comes in two differents doses: one that's taken on a regular basis and the other only when you need it.
              • If you're taking Cialis (Tadalafil) on a regular basis, take it at the same time every day.
              • Don't take [name_ommon] more than once a day.
              • Can be taken with or without food.
              • Don't drink a lot of alcohol when you're taking this medication since it can make dizziness worse.
              • Can cause flushing, headache, and dizziness.
              • If you have an erection for more than 4 hours, go to the ER or call your doctor.
              • 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.
              • Can cause flushing, a headache, or dizziness.
              • If you have an erection for more than 4 hours, go to the ER or call your doctor.
              Learn more
              More about CialisSide effectsReviews & ratingsAlternativesFDA package insert
              More about LevitraSide effectsReviews & ratingsAlternativesFDA package insert