Tadalafil 5mg tablets are used to treat premature ejaculation in males. Tadalafil 5mg tablets are an absolute remedy for men who are sad about their erection problems and have been facing a hard time satisfying their partners. It is a phosphodiesterase (PDE-5) inhibitor. Tadalafil works by boosting blood flow to the genitals to assist a man in obtaining and maintaining an erection. It is also used to treat the symptoms of an enlarged prostate. In benign prostatic hyperplasia (BPH), it helps relax the muscles in the prostate gland and the bladder to relieve urinary symptoms. Some of the mild side effects of tadalafil 5mg are headache, muscle pain, and back pain.