Tadalista is a medication that contains tadalafil as its active ingredient. It belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors, which are primarily used to treat erectile dysfunction (ED) in men. Tadalista is a medication that contains tadalafil as its active ingredient. It belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors, which are primarily used to treat erectile dysfunction (ED) in men. Before using Tadalista or any medication for ED, it is important to consult with a healthcare provider. A doctor can assess your medical history, provide guidance on treatment options, discuss potential benefits and risks, and address any concerns you may have regarding the medication.