As someone already mentioned, to evaluate that single psa reading it would be informative to know your pathology and Decipher. You should also ask for a psma to see if, if confirmed, the spread is just local.

You should probably see an ED specialist. The standard protocol is 5mg Cialis each day and 20mg (a full dose) twice a week. Do not expect results quickly. The important thing is to avoid your penile myscles to atrophy. Recovery is a function of nerve healing, which can take time. You should also start using a penile pump.

Injections are used for both, intercourse and keeping bloodflow active. In my expetience they are finicky. I have not tet encountered the right mixture dose. Either no effect or one that last way too long…