Cialis
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Cialis package leaflet


This leaflet provides general information on Cialis 10-mg and 20-mg tablets. Be sure to also read the package leaflet closely before you start using this medicine. If you have any questions after consulting this information, please contact a doctor or pharmacist.

What’s in this leaflet?

1. What is Cialis and what is it used for?


Cialis is a type of medicine called a phosphodiesterase inhibitor. It is used in the treatment of Erectile Dysfunction (ED) or impotence, a condition in which a man has difficulty getting or maintaining an erection, even when sexually aroused. Cialis contains the active ingredient tadalafil. Tadalafil works by preventing the action of an enzyme in the body called phosphodiesterase. This enzyme disrupts the ability of the body to produce an erection. By inhibiting phosphodiesterase activity, a man’s ability to have a normal erection is temporarily restored.

2. What you need to know before using Cialis


Read through the following list of warnings before you start using Cialis:

  • Do not use this medicine if you are allergic to tadalafil, with any form of nitrate medication, or if you have low blood pressure or certain heart, liver or eye conditions.
  • This medicine may interact with other medicines. It is therefore important to mention what other medicines you are taking during the online consultation.
  • This medicine is not suitable for use in women and children under 18 years of age.
  • This medicine may cause side effects such as dizziness, so use caution when driving or performing tasks requiring alertness.


For more information, see the Cialis package leaflet on our [url=http://www.dokteronline.com/en/cialis/]product page.

3. How to use this medicine


Cialis is available in various strengths. The usual starting dose is one 10-mg tablet. If the effect of this dose is too weak, the doctor may increase the dose to 20 mg.
Cialis tablets should be swallowed whole with some liquid, approximately 30 minutes to an hour before sexual activity so that it has enough time to work. Cialis can be effective for up to 36 hours. To reduce the risk of serious side effects, you should not take more than one tablet a day and no more than three tablets a week. Always follow the prescription exactly – never take more than the doctor recommends. Alcohol is known to impair the ability to get an erection. It is therefore advisable to reduce or stop drinking alcohol altogether while taking this medicine.

4. Possible side effects


This medicine may have side effects, although not everyone gets them. The most commonly reported side effects include:

  • headache
  • facial flushing
  • gastrointestinal problems
  • dizziness
  • effects on vision (blurred vision, colour tinge to vision, light sensitivity)


5. How to store Cialis


Keep ED medicine out of reach of children. Keep in the original pack and do not expose to high temperatures and moisture. Do not use after the expiration date on the box.

6. Additional information


Cialis is a light yellow, film-coated tablet that contains the active ingredient tadalafil. For a full list of ingredients in this medicine and information on the manufacturer and marketing authorisation holder, please refer to the package leaflet.

Read the package leaflet for more information about risks and side effects, or ask your doctor or pharmacist for advice.