Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.
CIALIS tablets are for oral use in men only. Swallow the tablet whole with some water. The tablets can be taken with or without food.
The recommended starting dose is one 10 mg tablet before sexual activity. However, you have been given the dose of one 20mg tablet as your doctor has decided that the recommended dose of 10mg is too weak.
You may take a CIALIS tablet at least 30 minutes before sexual activity.
CIALIS may still be effective up to 36 hours after taking the tablet.
Do not take CIALIS more than once a day. CIALIS 10 mg and 20 mg is intended for use prior to anticipated sexual activity and is not recommended for continuous daily use.
It is important to note that CIALIS does not work if there is no sexual stimulation. You and your partner will need to engage in foreplay, just as you would if you were not taking a medicine for erectile dysfunction.
Drinking alcohol may affect your ability to get an erection and may temporarily lower your blood pressure. If you have taken or are planning to take CIALIS, avoid excessive drinking (blood alcohol level of 0.08 % or greater), since this may increase the risk of dizziness when standing up.