Tadalafil(CAS 171596-29-5)Erectile dysfunction (ED) treatment API

Tadalafil (most widely recognized under the brand name Cialis for urological conditions and Adcirca for cardiovascular use) is a potent, long-acting phosphodiesterase-5 (PDE5) inhibitor. It is primarily prescribed to treat erectile dysfunction (ED) and to alleviate the urinary symptoms associated with benign prostatic hyperplasia (BPH), also known as an enlarged prostate.The medication works efficiently by inhibiting the PDE5 enzyme, which increases the levels of cyclic guanosine monophosphate (cGMP) in the body. This chemical process relaxes the smooth muscles and dilates the blood vessels, significantly improving blood flow to the corpus cavernosum of the penis to help men achieve and maintain an erection when sexually stimulated.