whereas 15 percent of those taking tadalafil 20 mg got a headache. Some side effects have the same likelihood in both doses, ...

However, each has different side effects, dosage schedules ... Viagra doses are 25 milligrams (mg), 50 mg, and 100 mg. Cialis and tadalafil doses are 5 mg, 10 mg, and 20 mg.

normal preoperative erectile function [EF]) were randomized post-nsRP 1:1:1 to 9-month treatment with tadalafil 5 mg OaD, tadalafil 20 mg PRN, or placebo, followed by 6-week drug-free washout and ...

The trial consisted of a screening period (including nsRP), 9 months of randomized, double-blind, double-dummy, treatment with tadalafil 5 mg OaD, tadalafil 20 mg PRN, or placebo, starting within ...