Infectious causes would be the most likely possibility. This can include
epididymitisEpididymitis or prostatitis. Each of these
disordersAdjustment disorder
Anorexia nervosa
Asperger syndrome
Autism
Autoimmune disorders
Bipolar disorder
Bipolar disorder
Bleeding disorders
Borderline personality disorder
Bulimia
Chronic motor tic disorder should be evaluated for.
EpididymitisEpididymitis should be evaluated for by a
urinalysisUrinalysis and tests for STDs such as gonorrhea and chlamydia. A scrotal ultrasound can also be considered to evaluate for this.
Prostatitis should be examined for via a digital rectal exam - possibly extruding prostatic fluid for analysis. If negative, you may want to consider a transrectal ultrasound to evaluate whether an abscess is present.
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.
Thanks,
Kevin, M.D.