Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Get emergency help for a sudden, severe headache with vision loss, double vision, vomiting, confusion, fainting, or weakness.
Rarely, this can indicate bleeding into the pituitary gland.
Sudden severe testicular pain or swelling is also an emergency.
It is not a usual symptom of hypogonadism and may be caused by testicular torsion, which needs immediate assessment.
Seek prompt medical advice if symptoms begin after a head injury, cancer treatment, reproductive-organ surgery, or a new medicine.
Also ask for review if prescribed hormone treatment is not helping or is causing unwanted effects.
Arrange a routine medical appointment if you have persistent loss of sexual interest, erectile problems, absent or irregular periods, hot flushes at an unexpectedly young age, fertility concerns, or signs that puberty is delayed.
These symptoms are not usually emergencies, but they deserve assessment.
Every sign above is quoted from the sofidex article on Hypogonadism. If you are not sure, err upward — it is always reasonable to be checked.