At age 21, it would be unlikely that an anatomical or physiological problem can be leading to ED. If you are able to have erections at night, this would suggest that the problems may be
psychologicalChild neglect and psychological abuse in
natureNature-throid
Natures tears.
You can be evaluated for things like diabetes, peripheral
vascularArteriosclerosis of the extremities
Birthmarks - red
Dementia
Heart disease
Intravascular ultrasound
Mesenteric artery ischemia
Renovascular hypertension
Replantation of digits
Stroke
Tobacco and vascular disease
Vascular headaches disease, or testosterone deficiency by your personal physician. If the evaluation comes back negative, you can consider psychotherapy if the physician determines it to be psychological in nature.
You can also discuss the possibility of medications like Viagra, which can help in some cases like these.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
Medical Weblog:
kevinmd_b