Tadalista 40 is a prescription medicine that is used to treat erectile dysfunction in men. It works by increasing blood flow to the penile area. This helps men maintain and achieve an erection. It belongs to the group of medicines called PDE-5 inhibitors. It enhances blood flow to the penis following sexual stimulation, allowing men to sustain a hard erection. After sexual activity, it begins to behave. You are free to take it whenever you choose. To minimize negative effects, the medicine should only be used once per 24 hours. Your body can withstand one dosage because it operates quickly and must be taken at least 30 to 60 minutes before scheduled sexual activity.