See a doctor to identify the cause
Treat underlying conditions such as diabetes, high blood pressure, high cholesterol, obesity, and low testosterone
Review current medications with a healthcare professional
Quit smoking
Limit alcohol use
Avoid recreational drugs
Exercise regularly
Lose excess weight if needed
Improve sleep
Reduce stress and anxiety
Address relationship issues
Try pelvic floor exercises
Consider counseling or sex therapy
Use prescription ED medications if appropriate
Consider vacuum erection devices
Consider penile injections or urethral treatments
Consider hormone therapy if testosterone is low
Consider surgical options if other treatments fail