What are the types of drugs that can prolong sexual function?

The drugs that prolong sexual function mainly include oral delay drugs and topical delay sprays. Such as Bilijin, Tadalafil, Citric Acid Sildenafil, Ginger, etc. The mechanisms of action of these drugs vary, some delay ejaculation time by inhibiting nerve conduction, while others promote long-lasting penile erection by improving blood circulation.