Grade 1: At this stage, you will experience headaches, difficulty in concentrating, and feel dizzy for less than a minute.
Grade 2: Grade 1 symptoms are noticed with dizziness feel for a longer duration. At this stage the patient will also notice symptoms like confusion, amnesia, ringing in the ears, and irritability.
Concussion recovery might require 7 to 10 days in some cases. Grade 0 or 1 would require 1 or 2 days of rest to return to normal activities. For Grade 2 headache might require a few days of rest. Whereas Grade 3 or 4 requires at least a few weeks of recovery time. Irrespective of the severity of your concussion, it is recommended to be symptom-free before returning to your normal activities.
Make sure you do not take any medication without consulting the doctors. Suppose if someone who has recently suffered from a severe brain injury, are not supposed to be left alone for at least 48 hours.