Some headaches though, can be caused by something else. These are referred to as secondary headaches, and these headaches can be a warning sign of something that needs further investigation.
In healthcare, we often call these “red flags.”
Having one of these signs doesn't necessarily mean something serious is wrong, but it does mean that the headache deserves appropriate medical assessment rather than simply trying to manage it yourself.
Here are some of the main headache red flags I think everyone should be aware of.
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