The cookie is used to store the user consent for the cookies in the category “Other. If you drink a large amount of alcohol more than five glasses of wine or five shots of whiskey while you are taking tadalafil you are more likely to experience certain side effects of tadalafil such as dizziness, headache, fast heartbeat, and low blood pressure. If you are thinking about using tadalafil please discuss it with your doctor. The FDA has also approved tadalafil for treatment of both benign prostatic hypertrophy and erectile dysfunction where the two conditions co-exist. Tell your doctor if any of these symptoms are severe or do not go away: headache.CIALIS for once daily use is a lower dose you take every day. • Do not take CIALIS more than one time each day. • Take one CIALIS tablet every day at about the same time of day. You may attempt sexual activity at any time between doses. • If you miss a dose, you may take it when you remember but do not take more than one dose per day. Compare Cialis prices, print discount coupons, find manufacturer promotions, copay cards and patient assistance programs. Manufacturer Coupon Cialis Eligible individuals can save $ with the Cialis® Savings Card on the price of their prescription (s) for a day supply of Cialis. The Cialis Savings Card can be applied to each co-payment until $ is reached for patients whose insurance covers their prescriptions.