What Causes Painful Bump On Forehead After A Fall?
No indications of brain injury
Detailed Answer:
I read your question carefully and I understand your concern.
Generally the higher risk is in the first 24 hours after the trauma, but the older the individual is there is some risk of more slowly evolving hemorrhagic complications, so after the age of 60 some extra attention is needed. However none of the symptoms and signs you describe are indicative of any brain injury: Some swelling and bruising is to be expected due to injury to soft tissue, it will take weeks to gradually absorb, but it is not threatening or indicative of brain injury. I do not think the watery feeling is related either.
Indicators to watch for which might indicate a brain injury from the trauma might be headache, double vision, weakness of the limbs, confusion or changes in behavior, seizures. Since she has no headache and is normally conducting daily activities that is not her case it seems.
I remain at your disposal for further questions.