What is a fear or everything called?

The fear of everything is called Panphobia. Panphobia is a specific phobia characterized by an overwhelming and irrational fear of everything. People with panphobia may experience anxiety, panic attacks, and avoidance behaviors in response to a wide range of objects, situations, and activities. The exact cause of panphobia is unknown, but it is thought to be caused by a combination of genetic, environmental, and psychological factors. Treatment for panphobia typically involves cognitive-behavioral therapy, medication, or a combination of both.