An erection involves your brain, nerves, hormones, and
blood vessels. Anything that interferes with either
of this can lead to erection problems .Stress, fear, anxiety, anger all can lead to erection problems. Repeated feelings of guilt, doubt, poor communication with your partner all can lead to erection problems. Intake of medications like beta blockers, antidepressants, and diseases like diabetes, high blood pressure, thyroid problems, and multiple sclerosis all can lead to this problem.