Hello. Thanks for asking from HCM.
I can understand your concern. The headache occurring even after 1 year post injury is less common. But if it is due to injury, it should subside with passage of time. Another possibility is it could be the same headache which was occurring in past.
I don't know the type of headache which you were having in past. From your brief history, it appears that it could be tension headache/
migraine.
Either you can provide more details about your headache or you can
consult doctor for evaluation. To calm your
anxiety, he may advise MRI brain to rule out any lesion or old
brain injury.
My advise to you is
: Take rest
: Avoid mental and physical stress
: Sleep for 8 hours daily
: Avoid those factors which increase your headache
: You can take painkiller like
Diclofenac sodium after proper prescription
Hope it will help you. Still no relief, you should consult doctor.
Thanks. Take care.