Like other types of pain, headaches can serve as warning signals of more serious conditions. This is the case with some types of secondary headaches, which are headaches caused by an underlying condition. Many conditions can cause headaches, including those related to meningitis, as well as those resulting from diseases of the sinuses, spine, neck, ears, and teeth. Other possible types of secondary headaches include those caused by:
As a result of certain types of infections, such as ear infections, strep throat, sinus infections (which can result in sinus headaches), Lyme disease, or the flu.
Because headaches can be caused by underlying medical problems, make sure to see your healthcare provider if your attacks:
Start after age 50
Are different or more severe than past attacks
Are triggered by coughing or bending
Are linked to a stiff neck and a fever
Are accompanied by blurred vision, slurred speech, numbness, tingling, muscle weakness, or convulsions
Make it difficult for you to think or remember
Cause severe vomiting
Follow a severe head injury.
Children with recurring headaches should also see a healthcare provider.