Cialis and Viagra are the most common medications used to treat erectile dysfunction (ED).

While both work to increase blood flow to the penis to support an erection, there are significant differences.

Cialis is also not affected by food intake and can be effective at treating benign hyperplasia (BPH).

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Viagra, on the other hand, lasts four to five hours.

But, the main difference between Cialis and Viagra is how long each lasts.

That means you’re able to have erections whenever you want them.

Its also possible to take Cialis as needed, about 30 minutes before sex.

Viagra is always taken as needed, usually about an hour before sex.

Which Works Faster?

Both Cialis and Viagra work quickly.

It works best when taken one hour before sex.

Which Lasts Longer?

Viagra generally only stays in your system for four to six hours.

Which Is More Effective?

Cialis and Viagra are equally effective.

However, eating food, particularly high-fat food, can reduce the effectiveness of Viagra.

Which Provides a Stronger Result?

Theres no research available on whether Cialis or Viagra will give you harder erections.

Because the mechanisms are the same, theyre likely similar.

What Is Cialis?

If you take the pill daily, the medication stays in your system constantly.

If you take the pill once, the effects of the pill last for about 36 hours.

That means youll likely find it easier to get an erection during that time.

If you experience these symptoms you should speak with your healthcare provider immediately:

What Is Viagra?

Viagra(sildenafil) was the firsterectile dysfunctionpill approved by the FDA in 1998.

Like Cialis, its a PDE5 inhibitor that increases blood flow to the penis.

The difference is that the effects of Viagra only last about four to six hours.

They also may experience itching while urinating and/or a rash.

Nitric oxide is a substance that causes blood vessels to relax.

This increases blood flow to the penis, leading to stronger erections.

Both Cialis and Viagra work in this way.

Daily doses are often between 2.5 and 5 mg.

However, the dosage can range from 25100 mg.

Your healthcare provider will discuss which dose is right for you.

Contraindications

Some people with severe kidney orliver diseasemay need to avoid certain PDE5 inhibitors.

People with liver or kidney also should discuss Levitra or Stanxyn (vardenafil) with their healthcare providers.

Along with older adults, they may need to use a lower dose or different drug.

Other Uses

PDE5 inhibitors may be used to treat other conditions besidesPAH.

Cialis is primarily for treating ED but can also treat anenlarged prostate.

In addition, under the brand name Adcirca, tadalafil can also treat pulmonary arterial hypertension (PAH).

Talking to Your Healthcare Provider About ED

Talking to your healthcare provider about ED can be intimidating.

However, its important to remember that sexual health is part of overall health.

In addition, ED is extremely common.

Healthcare providers have experience talking about ED and providing treatment options without any judgment or shame.

Summary

Cialis and Viagra are both pills for treating erectile dysfunction.

Because they are the same class of medications, they have similar side effects and effectiveness.

Cialis can be taken daily, providing constant treatment for ED for people who have sex frequently.

There is also the option to take Cialis as needed.

Viagra is always taken as needed, usually an hour before having sex.

Choosing the right ED pill can be intimidating, but healthy sexual activity can contribute to your overall wellness.

Talk with your healthcare provider about your sex life and desired use to find the best treatment for you.

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National Library of Medicine.

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Harvard Health Publishing.Can ED drugs really help your sex life?

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Food and Drug Administration.Cialis (tadalafil) tablets, for oral use.

Food and Drug Administration.Levitra (vardenafil hydrochloride), for oral use.

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