Usage: Acetildenafil is a drug used to treat erectile dysfunction (impotence) in males and pulmonary arterial hypertension (PAH). Acetildenafil is a synthetic drug which is known to act as a phosphodiesterase inhibitor. It is an analogue of sildenafil (Viagra) and appears to boost libido and alleviate erectile dysfunction. Since, Acetildenafil inhibits phosphodiesterase enzyme, it can be used to regulate intracellular …