Thanks for posting your query.
You can judge your self that do you have organic cause or psychogenic cause for non erection of penis.
All males have erection of penis at waking time (in the early morning) and if this is absent then cause is organic and if this is still persisting then cause is psychogenic.
Diabetes or destruction of autonomic fibres are common causes of non erection of penis.
You should consult with internal medicine specialist and should go for thorough check up.
As such there is no correlation between Bell's palsy and non erection of penis.
Bell's palsy is LMN paralysis
of VII cranial nerve
must also be ruled out and you should go for Prostate specific antigen
as preliminary test.
is associated with altered bowel habits along with bleeding per rectum.
Dr. Mayank Bhargava