Page 14 of the DCOE slides in the link above list the Overlap of Symptoms (which looks really good) and here they are typed out.

PCS = Post Concussion Syndrome

NED = Neuroendocrine Dysfunction

PCS
Headaches*
Dizziness*
Blurred Vision*
Sleep Disturbance*
Sensitivity to Light/Noise*
Balance Problems*
Memory Deficits*
Slowed Processing*
Impaired Judgment*
Altered Executive Function*
Agitation*
Impulsivity*
Agression

Both
Fatigue*
Poor Memory*
Anxiety*
Depression*
Weight Gain*/
Weight Loss
Emotional Lability*
Lack of Concentration*
Attention Difficulties*

NED
Loss of Libido*
Infertility
Amenorrhea
Loss of Muscle Mass*
Increased Belly Body Fat*
Low Blood Pressure
Reduced Heart Rate
Hair Loss*
Anemia
Constipation*
Cold Intolerance*
Dry Skin*


*These are symptoms that I have personally experienced an improvement or a near-complete recovery from since I started the HRT.

Some of the charts you will find online about this issue that compare the two conditions and the overlap of symptoms will include more of the symptoms found on this particular chart under PCS under both.

And on some of the lists, you will find more symptoms and even more specific symptoms.