Tadarise Pro 40 mg tablet has two main uses. Most commonly used to treat erectile dysfunction in men. It increases blood flow to the penis to help men get an erection. Tadalafil plays a major role in this medicine. This medicine can be taken on an empty stomach or with food. It should be taken strictly as per your doctor's advice. You should take it about an hour before you plan to have sex. The amount of time it takes to work varies from person to person. Take it only if you need it and it has been prescribed to you by a doctor.