Cialis vs. Stendra

Are Cialis and Stendra the Same Thing?

Cialis (tadalafil) and Stendra (avanafil) are phosphodiesterase inhibitors used to treat impotence (erectile dysfunction, or ED).

What Are Possible Side Effects of Cialis?

Common side effects of Cialis include:

What Are Possible Side Effects of Stendra?

Common side effects of Stendra include:

Stendra may uncommonly cause:

  • an erection that will not go away (priapism),
  • sudden loss of vision in one or both eyes, and/or
  • sudden hearing decrease or hearing loss.

What Is Cialis?

Cialis is a prescription medicine taken by mouth for the treatment of:

What Is Stendra?

Stendra (avanafil) is a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction.


Erectile dysfunction (ED) is… See Answer

What Drugs Interact With Cialis?

Do not take Cialis if you:

  • take any medicines called "nitrates".
  • use recreational drugs called "poppers" like amyl nitrite and butyl nitrite.
  • take any medicines called guanylate cyclase stimulators, such as riociguat.
  • are allergic to Cialis or Adcirca, or any of its ingredients.

Call your healthcare provider or get help right away if you have any of the symptoms of an allergic reaction listed above.

What Drugs Interact With Stendra?

Stendra may interact with nitrates, alpha blockers, antihypertensives, alcohol, ketoconazole, ritonavir, antibiotics, and amlodipine. Tell your doctor all medications you use.

How Should Cialis Be Taken?

Take Cialis exactly as your healthcare provider prescribes it. Your healthcare provider will prescribe the dose that is right for you.

Some men can only take a low dose of Cialis or may have to take it less often, because of medical conditions or medicines they take.

Do not change your dose or the way you take Cialis without talking to your healthcare provider. Your healthcare provider may lower or raise your dose, depending on how your body reacts to Cialis and your health condition.

Cialis may be taken with or without meals.

If you take too much Cialis, call your healthcare provider or emergency room right away.

How Should Stendra Be Taken?

For most patients, the starting dose is 100 mg taken approximately 30 minutes before sexual activity, on an as needed basis. Stendra should not be taken more than once per day. The dose may be increased to 200 mg or decreased to 50 mg based on efficacy and/or tolerability, however, it is best to use the lowest beneficial dose.


Erectile Dysfunction (ED) Causes and Treatment See Slideshow

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Lilly. Cialis Product Information.
Mist Pharmaceuticals. Stendra Product Information.

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