Prescription onlyClass: Men's health

Viagra Alternatives

(sildenafil)

Prescription onlyClass: Men's health
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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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Coupons for Viagra
Best available price for 6 (100mg) tablets of viagra
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.12Viagra
Reviews for Viagra
67%
of people (All ages) say Viagra 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 Cialis
66%
+1% better vs. Viagra
46%
+5% better vs. Viagra
14%
-2% worse vs. Viagra
606 reviews
Have you used Cialis (tadalafil)?
Worth itNot sureNot worth it
Reviews for Levitra
62%
+5% better vs. Viagra
36%
+15% better vs. Viagra
19%
+3% better vs. Viagra
Have you used Levitra (vardenafil)?
Worth itNot sureNot worth it
Side effects
ViagraCialisLevitra
  • 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 »
  • Indigestion 2%
  • Cough 4%
  • Back pain 2%
  • Ear, nose, or throat infection 2%
  • Abdominal pain 2%
  • Nasal congestion 2%
  • Urinary tract infection 2%
  • Acid reflux disease 2%
More Cialis 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
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
Prescription onlyPrescription onlyPrescription only
Available as
ViagraCialisLevitra
  • Pill
  • Pill
  • Pill
  • Dissolving tablet
Used for
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
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
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
  • First-choice medication for treating erectile dysfunction.
  • 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.
Downsides and risks
ViagraCialisLevitra
  • 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.
  • 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.
  • 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
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.
  • 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.
  • 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.
  • If you have an erection for more than 4 hours, go to the ER or call your doctor.
  • Can cause flushing, headache, and dizziness.
  • 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