Vidalista 5mg is used to treat erectile dysfunction in men. Tadalafil belongs to the group of medicines called phosphodiesterase 5 inhibitors. These medicines cause phosphodiesterase type-5 to stop working too soon. The penis is one area where this enzyme is active. Erectile dysfunction occurs when a man senses sexual excitement but is unable to sustain an erection. This medicine usually treats erectile dysfunction within 30 to 60 minutes after using it. Even while it usually loses potency, it can last up to 36 hours. The medicine should be stored at room temperature in a closed container away from heat sources, moisture, and direct sunlight.