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
Filter group. All currently selected
Filter group. All currently selected
4.89Cialis
Reviews for Cialis (Tadalafil)
66%
of people (All ages) say Cialis (Tadalafil) is worth it
46%
say it works well
14%
say it's a big hassle
606 reviews
Have you used Cialis (Tadalafil)?
Worth itNot sureNot worth it
Reviews for Levitra (Vardenafil)
62%
4% vs. Cialis (Tadalafil)
36%
10% vs. Cialis (Tadalafil)
19%
5% vs. Cialis (Tadalafil)
Have you used Levitra (Vardenafil)?
Worth itNot sureNot worth it
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 »

The Levitra FDA package insert doesn’t have numbers about how common side effects are.

More about 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 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
Detailed 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.

Alcohol
CialisLevitra
  • Don't drink a lot of alcohol when you're taking this medication since it can make dizziness worse.
No alcohol related info.
Food
CialisLevitra
  • Can be taken with or without food.
  • Can be taken with or without food.
  • It can be taken with or without food.
Sex
CialisLevitra
  • Taking Cialis (Tadalafil) for erectile dysfunction can put you at increased risk for heart attack or stroke if you've had problems with your heart in the past. Also, it is not recommended for men to take Cialis (Tadalafil) if they've had a heart attack in the past 3 months or a stroke or a diagnosis of moderate to severe heart failure in the past 6 months. Talk to your doctor if you are interested in taking this medication.
No sex 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
Have you used Cialis (Tadalafil)?
Worth itNot sureNot worth it
More about LevitraSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Levitra (Vardenafil)?
Worth itNot sureNot worth it