What has happened to your testes? -size - firmness -how are they hanging -when that started
Any changes to visual field? Less peripheral vision?
Any accidents or blows to the head in time frame of things getting bad?
When did all of this start?
Brothers- Any such problems with them?
Meds that you take, Rx and OTC should be reviewed for endocrine disruption.
Any signs of gyno?
Skin changes: dry, thin, inelastic?
Any history using gear?
Any adult mumps?
Exposure to chemicals?
Any illnesses where your testes were hurting?
Liver enzymes normal?
You might want to get your bones scanned. But TRT is the best way to restore them in any case.
Check your thyroid numbers. If you have low thyroid hormones you will need to inject as transdermals typically absorb poorly or soon go that way.
Have you lost a lot of hair on your lower legs?
How much muscle wasting has occurred?
Endo might want to know these items too.
At age 45 perhaps you do not care what has happened to your sperm count...
You might do well with some transdermal DHT on your [clipped/shaved] scrotum, proviron tablets or such to restore virility. We can't get such things here in the USA! The compounding pharmacies have not been able to get DHT for a few years. And some 5% testosterone cream on your testes and penis can be very helpful for DHT and sensitivity.
In a situation like this, one also has to entertain the possibility that the lab work result is bogus.
Also have IGF-1 checked to eval GH status. If LH/FSH are really low, one needs to look for possible multiple pituitary hormones that are low [panhypopituitarism].
Do you take fish oil, vit-D and other supplements? You need all of the restorative help that you can get.