Hi Sir/Madam Welcome to Health Care Magic I can certainly understand your concern and worry about your problem...Is there any significant finding Immediately after head injury as you mentioned it is serious, so is there any . loss of consciousness , vomitings, nausea , any seizures following injury?, or any bleed from ear, nose and mouth....These are very significant features following head injury...If any of these present, it is definitely required to get MRI done.... Immediately as it was too late already...It wasn t mentioned about that. The present symptom dizziness could be definitely related to that...So make sure you get it done as soon as possible.There is every need to consult your neurologist as soon as possible Post your further questions if any, I will available to take up your follow up questions Thank you