It is an inability to keep or maintain an erection during sextual intercourse. The common causes are reduced blood flow to penis, stress or emotional factors, age above 50, diabetes, high blood pressure and cholesterol level, being obese and lack of exercise. The symptoms are difficulty in maintaining or keeping erection during sextual intercourse. It can lead to low self-esteem, depression, and relationship issues. It can be treated by used of medicine and by treating underlying cause.
