In clinical trials, 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 has not been studied for multiple sexual attempts per dose. Buy cialisHow should this medicine be used?
Tadalafil comes as a tablet to take by mouth. It is usually taken with or without food before sexual activity. Your doctor will help you decide the best time for you to take tadalafil before sexual activity. Tadalafil should not be taken more often than once every 24 hours. If you have certain health conditions or are taking certain medications, your doctor may tell you to take tadalafil less often. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take tadalafil exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Your doctor will probably start you on an average dose of tadalafil and increase or decrease your dose depending on your response to the medication. Tell your doctor if tadalafil is not working well or if you are experiencing side effects.Buy cialis
Other uses for this medicine
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
What special dietary instructions should I follow?
Talk to your doctor about drinking grapefruit juice while taking this medicine. Buy cialis
What side effects can this medication cause?
Tadalafil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
* headache
* indigestion or heartburn
* flushing
* pain in the back, muscles, or any limb
* stuffy or runny nose

Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately:
* erection that lasts longer than 4 hours
* changes in vision (seeing a blue tinge on objects or having difficulty telling the difference between blue and green)
* chest pain
Tadalafil may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.