In most cases, you cannot faint from a panic attack. Although panic attacks can feel overwhelming, they rarely cause actual fainting.

Why You Usually Don’t Faint from a Panic Attack

Fainting happens when your brain doesn’t get enough blood flow, often due to a sudden drop in blood pressure. During a panic attack, the opposite usually occurs — your heart rate and blood pressure go up as your body enters “fight or flight” mode. This response makes fainting unlikely.

Why You Might Feel Like You’re Going to Faint

Panic attacks often cause symptoms such as:

  • Dizziness or lightheadedness
  • Shortness of breath or hyperventilation
  • A racing heart
  • A sense of losing control

These sensations can make you feel like you’re going to pass out — but this is usually just a part of the panic response, not an actual sign that you’ll faint.

When Fainting Could Happen

While uncommon, fainting could occur in certain cases:

  • Vasovagal response: Some people have a nervous system reflex that causes a sudden drop in heart rate and blood pressure, which can lead to fainting during times of extreme stress or fear.
  • Severe hyperventilation: Breathing too fast can disrupt oxygen and carbon dioxide balance, potentially leading to dizziness or fainting — though this is rare.

What to Do if You Feel Faint During a Panic Attack

  • Sit or lie down right away to avoid falling.
  • Slow your breathing by inhaling through your nose for 4 seconds, holding for 4, and exhaling for 4–6 seconds.
  • Focus on grounding techniques, like naming 5 things you can see, 4 you can touch, 3 you can hear, etc.
  • Seek medical advice if this happens often or if you’ve ever actually fainted.

Bottom Line

Fainting from a panic attack is very rare. The intense symptoms may mimic the feeling of fainting, but your body’s stress response typically prevents it. If you’re experiencing frequent or severe panic attacks, a mental health professional can help you understand the causes and develop effective coping strategies.