Which sign is most concerning for increased intracranial pressure in a child?

• A. Papilledema
• B. Lethargy or confusion with vomiting
• C. Decreased responsiveness
• D. Irritability

Answer: (D)

Rising intracranial pressure in a child often presents with changes in alertness and behavior before other more obvious signs. Irritability is a crucial red flag because in young children, who can’t clearly describe headache or early symptoms, increasing brain pressure tends to manifest as persistent, inconsolable fussiness. This irritability signals the brain is under distress and prompts urgent assessment to prevent progression to more dangerous states.

Lethargy or confusion with vomiting and decreased responsiveness reflect later, more severe deterioration in status, indicating that ICP is already significantly rising. Papilledema indicates elevated pressure too, but it usually develops over time (chronic elevation) and isn’t an immediate, early warning. So, irritability is the most concerning early sign that should trigger rapid evaluation for increased intracranial pressure.