Stop the activity immediately

Rest physically and mentally

Apply ice to any swollen area for 15 to 20 minutes at a time

Use acetaminophen for headache if needed

Avoid alcohol, recreational drugs, and sedatives

Avoid driving, operating machinery, or sports until cleared

Limit screen time, reading, and other strenuous mental activity

Sleep and rest as needed

Have someone monitor for worsening symptoms

Seek urgent medical care for repeated vomiting, worsening headache, confusion, seizures, weakness, trouble speaking, unequal pupils, or loss of consciousness

Get medical evaluation as soon as possible

Return to normal activities gradually only after symptoms improve and with medical clearance