Headache
Headache is one of the most common complaints and has dozens of different causes — from tension and lack of sleep to vision problems, sinus inflammation or changes in blood pressure. That is why there is no single answer to "which doctor should I see": it depends on what comes with the pain.
Which specialists treat this
When to see a doctor without delay
Seek care without delay if the pain started suddenly and severely, if it comes with fever and a stiff neck, vomiting, difficulty speaking or seeing, weakness on one side of the body, or if it began after a head injury.