Ice pick headaches on their own are not dangerous, but people who experience new ice pick headaches should seek medical advice. This is because the type of pain experienced during an ice pick headache can also be the result of a more serious brain issue, including trigeminal neuralgia (a chronic facial pain condition) and other brain conditions.i, iv In extremely rare cases, the sudden and severe type of pain that characterizes ice pick headaches can also be caused by an aneurysm (bleed in the brain), however this is unlikely.v In any case, it is best to have your ice pick headaches properly diagnosed by a doctor as soon as possible to help rule out any of these issues.