Tadalafil is using to treat male sexual function difficulties (inability or erectile dysfunction). In combination with sexual stimulation, Tadalafil operates by enhancing blood flow to the penis to help a man get and maintain an erection. So, Tadalafil is also working to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). It serves to relieve indications of BPH such as difficulty in starting the flow of urine, weak stream, and the need to urinate generally or anxious