medicine is used to solve sexual problems. Known as sildenafil. It is a drug used in the treatment of erectile dysfunction. It works in maintaining or sustaining an adequate erection. It increases blood flow. Take the drug 1 hour or 30 minutes before you have sex. So works in more sex. May your life be filled with joy. You take that medicine with food. If the drug is taken with more fat, it takes time. Take as per doctor's advice.