Health Tip: When Headaches Signal Trouble

While most headaches aren't serious, there are warning signs that it's time to see a doctor.

The Harvard Medical School mentions these examples:

• Suddenly developing frequent headaches after age 50.
• A headache that is severe or feels like the worst one you've ever had.
• Headache pain that continues to increase, or pain that worsens when you cough or move.
• Headaches that cause changes in mental function or personality.
• Headaches that develop after a head injury.
• Headaches that wake you from sleep or that interfere with daily life.
• Headaches accompanied by other symptoms, including painful red eye, fever, neck stiffness, confusion, blurry vision, numbness, weakness or seizures.