Hit my head a month ago and bumped it again yesterday and got dizzy head is sensitive still and concussion was last month worry?

Post concussive : After a concussion it is not unusual to have some persistent headache, dizziness, vertigo or general malaise. So long as the symptoms are getting better slowly, I wouldn't worry too much. If increased activity worsens the symptoms, slow down and see if doing a little less helps improve your symptoms. If you are getting worse, go see your doctor!!