These may include:
- diminished sex drive and erection
- loss of ejaculation
- low stamina
- muscle atrophy
- decreased secondary sexual hair
- less frequent shaving
- regression of spermatogenesis
Primary hypogonadism is suggested by a history of testicular trauma, orchitis, testicular surgery or torsion, chemotherapy or irradiation.
Hypothalamic-pituitary tumours are suggested by symptoms such as headaches, impaired visual fields, polydipsia and polyuria, or evidence of pituitary hormone excess such as acromegaly, Cushing's disease or hyperprolactinaemia.
Last reviewed 01/2018