Persons surnamed “Cialis” objected to Eli Lilly and Company’s so naming the drug, but the company has maintained that the drug’s trade name is unrelated to the surname. Take tadalafil at around the same time every day. Your doctor will probably tell you not to take tadalafil if you are taking street drugs containing nitrates. How should this medicine be used? Therefore the use of such treatments in combination with Cialis is not recommended.Before you buy Cialis, check the cheap offer on Generic Pills for men and women from authorised, online pharmacy in the U.S., Canada, and worldwide. All year huge price discounts. Hurry up! Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash. 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.