Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedCauses
By Mayo Clinic staffIt's not known what causes panic attacks or panic disorder. Things that may play a role include:
- Genetics
- Stress
- Certain changes in the way parts of your brain function
Some research suggests that your body's natural fight-or-flight response to danger is involved in panic attacks. For example, if a grizzly bear came after you, your body would react instinctively. Your heart rate and breathing would speed up as your body prepared itself for a life-threatening situation. Many of the same reactions occur in a panic attack. But it's not known why a panic attack occurs when there's no obvious danger present.