Though this growth is not cancerous, prostate cancer and BPH can co-occur. You may attempt sexual activity at any time between doses. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. What special precautions should I follow? Dizziness, fainting spells, heart attack, or stroke may be experienced. If you have certain health conditions or are taking certain medications, your doctor may tell you to take tadalafil less often or may prescribe a lower dose to be taken once a day.Canada Cloud Pharmacy is one such Canadian pharmacy that sells Cialis 20 mg. Unlike many other ‘pharmacy’ sites, Canada Cloud Pharmacy is a brick and mortar pharmacy that can deliver your Cialis prescription from Canada to the States. There is even the option of picking up your medication in store. The cost of Cialis in Canada is even more.  · Generic Cialis is called Tadalafil and you could save up to 90% on the price of your medication by buying brand or generic Cialis online through Canadian Pharmacy Meds. Buying Tadalafil may offer even better savings and comes in the same strengths of 20mg, 10mg, 5mg or mg. You do not need a Cialis coupon to pay our great price. Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged prostate) which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency in adult men.