When should you worry about a headache?

Headaches are quite common and can be caused by sleep deprivation, dehydration or stress (Photo: iStock)

Headaches are usually common and most people don’t think too much about them. They can come when you’re dehydrated or stressed out and they can also happen when you’ve strained your eyes, among other usual reasons.

Although they’re common, it’s still important to know when you should be worried because this could save your life. There are certain types of headaches that might indicate an underlying illness like a headache disorder or a medical emergency such as a stroke.