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Important Safety Information Prescribing Information Patient Information

Select Important Safety Information

Do not take CIALIS if you:

  • take medicine called "nitrates" such as isosorbide dinitrate or isosorbide mononitrate which are often prescribed for chest pain, or use recreational drugs called "poppers" like amyl or butyl nitrite, as the combination may cause an unsafe drop in blood pressure
  • are allergic to CIALIS or ADCIRCA® (tadalafil), or any of its ingredients. Call your healthcare provider or get help right away if you experience any symptoms of an allergic reaction, such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing.

After taking a single tablet, some of the active ingredient of CIALIS remains in your body for more than 2 days. It can remain longer if you have problems with your kidneys or liver, or you are taking certain other medications.

Stop sexual activity and get medical help right away if you get symptoms such as chest pain, dizziness, or nausea during sex.

Click here for more complete safety information for CIALIS

 

36-hour CIALIS

36-hour CIALIS can work fast, in as little as 30 minutes for some men. And it can last a long time, up to 36 hours.*

36-hour CIALIS is available as 5 mg, 10 mg, and 20 mg tablets.

With 36-hour CIALIS taken as needed, one tablet can help some men be ready for sexual activity in as little as 30 minutes, and it can work for up to 36 hours.* That means you and your partner have time to enjoy a relaxing dinner date, weekend getaway, or anniversary celebration—and still have time to decide when the moment is right. To learn about the other CIALIS option, click here. Remember, only your doctor can decide which CIALIS dosing option is right for you.

Sometimes the right moment comes at the wrong time. Life is full of interruptions, surprises, and unexpected events. And all of them can derail your romantic moment or plan. But with 36-hour CIALIS, you can pick up where you left off—so that special moment won't get away.

When you take 36-hour CIALIS, you may be able to:

  • Improve your ability to get and maintain an erection
  • Be more confident in your ability to get and maintain an erection
  • Be satisfied with the hardness of your erections
  • Be ready for sexual activity in as little as 30 minutes

36-hour CIALIS can be an effective option:

  • Regardless of your age
  • No matter how severe your ED may be
  • Even if you have health problems such as diabetes or controlled hypertension (high blood pressure)
  • Even if a man has had a prostatectomy (or has had his prostate partially removed)

It's important that you take 36-hour CIALIS exactly as directed by your doctor.

  • Do not take more than one dose of 36-hour CIALIS in a day. Call your doctor right away if you accidentally take more than this.
  • Do not split tablets. By doing so, you may not receive an adequate dose, or you may receive a larger dose than you need.
  • Take one 36-hour CIALIS tablet at least 30 minutes before you expect to have intercourse. You may need to take CIALIS an hour before sexual activity. You and your doctor should decide how soon before sexual activity you should take 36-hour CIALIS.
  • Your dose will be prescribed by your doctor. You may need to try 36-hour CIALIS more than once before you get the results you expect. If you take 36-hour CIALIS a few times and still aren't satisfied, talk with your doctor. Do not take more than one tablet of CIALIS per day.
  • You can take CIALIS with or without food.
  • Do not use other ED medicines or ED treatments while taking CIALIS.
  • Avoid drinking too much alcohol (for example, 5 glasses of wine or 5 shots of whiskey) when you have taken a 36-hour CIALIS tablet. Drinking too much alcohol may cause a headache or dizziness, an increase in your heart rate, or a drop in your blood pressure.

*Individual results may vary. Not studied for multiple attempts per dose.
In clinical trials, 36-hour CIALIS started to work in 30 minutes for some men who took 20 mg of 36-hour CIALIS. When taken as needed, 36-hour CIALIS was shown to improve, up to 36 hours after dosing, the ability of men with ED to have a single successful intercourse attempt.
CIALIS is only for men over the age of 18 who have ED.