I agree with the articles below from my personal experiences. get tested to at east rule out this possibility.

Your doctor will not test you unless you push them or go to an interventional endocrinologist or HRT doctor/clinic. Therapy may be as simple as thyroid meds and external testosterone as done in HRT clinics for decades

This study notes that symptoms of hypopituitarism are often masked by trauma and postconcussion symptoms and may not appear until months or years after the trauma incident, which can lead to significant delay in proper diagnosis and treatment.

Hypopituitarism After Multiple Concussions: A Retrospective Case Study in an Adolescent Male

This study notes how concussions lingering effects are linked to hormone deficiencies

Concussions' Lingering Effects Linked to Hormone Deficiency - Scientific American

This link highlights observations from an HRT view

Testosterone and Concussions