Prescription onlyNo lower cost generic available

Viagra Alternatives

(Sildenafil)

Prescription onlyNo lower cost generic available
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Compare Viagra (Sildenafil) to alternatives

These medications are comparable to Viagra (Sildenafil) or used for similar purposes.

Viagra
(Sildenafil)

Cialis
(Tadalafil)

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. 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
5.121140142517815Viagra
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
842 reviews
Have you used Viagra (Sildenafil)?
Worth itNot sureNot worth it
Reviews for Cialis (Tadalafil)
66%
1% vs. Viagra (Sildenafil)
46%
5% vs. Viagra (Sildenafil)
14%
+2% vs. Viagra (Sildenafil)
606 reviews
Have you used Cialis (Tadalafil)?
Worth itNot sureNot worth it
Reviews for Levitra (Vardenafil)
62%
5% vs. Viagra (Sildenafil)
36%
15% vs. Viagra (Sildenafil)
19%
3% vs. Viagra (Sildenafil)
Have you used Levitra (Vardenafil)?
Worth itNot sureNot worth it
Side effects
ViagraCialisLevitra
  • Headache 12%
  • Flushing 9%
  • Nasal congestion 2%
  • Diarrhea 2%
  • Dizziness 1%
  • Rash 1%
  • Urinary tract infection 1%
More Viagra side effects »
  • 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
    ViagraCialisLevitra
    Viagra (Sildenafil) is a PDE-5 inhibitor. Blocking PDE-5 allows blood to enter the penis and helps create an erection.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
    ViagraCialisLevitra
    Phosphodiesterase-5 enzyme inhibitorPrescription only
    Phosphodiesterase-5 enzyme inhibitorPrescription only
    Phosphodiesterase-5 enzyme inhibitorPrescription only
    Available as
    ViagraCialisLevitra
    • Pill
    • Pill
    • Pill
    • Dissolving tablet
    Used for (click to learn more)
    ViagraCialisLevitra
    Risk factors for serious side effects
    ViagraCialisLevitra
    • 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 »
            • 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

                  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.

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

                  Alcohol
                  ViagraCialisLevitra
                  No alcohol related info.
                  • Don't drink a lot of alcohol when you're taking this medication since it can make dizziness worse.
                  No alcohol related info.
                  Food
                  ViagraCialisLevitra
                  • Taking it after eating a high-fat meal can delay or reduce its effects.
                  • Can be taken with or without food.
                  • Can be taken with or without food.
                  • It can be taken with or without food.
                  Sex
                  ViagraCialisLevitra
                  No sex related info.
                  • 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
                  ViagraCialisLevitra
                  • It can be taken just when you need it.
                  • First-choice medication for treating erectile dysfunction.
                  • 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
                  ViagraCialisLevitra
                  • You need to take it at least 30 minutes before sex.
                  • Taking it after eating a high-fat meal can delay or reduce its effects.
                  • 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).
                  • 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.
                  • Only available as brand name, so it can be expensive.
                  • 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).
                  • 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
                  ViagraCialisLevitra
                  • 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.
                  • Works best when taken on an empty stomach. Fatty foods can prevent Viagra (Sildenafil) from working as well.
                  • 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.
                  • 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.
                  • 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 CialisSide effectsReviews & ratingsFDA package insert
                  Have you used Cialis (Tadalafil)?
                  Worth itNot sureNot worth it
                  More about LevitraSide effectsReviews & ratingsFDA package insert
                  Have you used Levitra (Vardenafil)?
                  Worth itNot sureNot worth it