Failure to maintain erection may be caused by psycho-psychological factors, neurological causes, vascular diseases and so on.
1. Psychosomatic factors: it may be due to mental stress, anxiety, depression or marital discord, resulting in the inability to maintain an erection or maintain sufficient hardness.
2. Neurological causes: penile erection is mainly formed by neurovascular activity, if the nerves regulating penile erection are diseased, nerve damage may lead to failure to erect or maintain erection.
3. Vascular diseases: for example, arteriosclerosis, hypertension, diabetes, etc., may lead to blood vessel damage, affecting blood flow, which may lead to the inability to maintain an erection.
Failure to maintain an erection may also be caused by other reasons. It is recommended to consult a doctor in time for treatment under his guidance.