How Long Does a Panic Attack Last?

What is the typical timeline of a panic attack?

A panic attack usually follows a recognizable arc:

• Onset: Symptoms begin suddenly, sometimes with no obvious trigger. You may notice a racing heartbeat, a rush of fear, shortness of breath, or a strange feeling of unreality.
• Peak: Symptoms intensify rapidly and reach their worst point — usually within about 10 minutes. This is the hardest part. The feeling of being in danger can be overwhelming.
• Resolution: After the peak, symptoms gradually ease. Most attacks resolve within 20 to 30 minutes. It is uncommon for an attack to last much longer than that, though you may feel exhausted or shaky for a while afterward.

The intensity of a panic attack is what makes it feel like it will never end. But the physiology has a natural limit — your body cannot sustain that level of activation indefinitely.

What is actually happening in your body during a panic attack?

During a panic attack, your nervous system fires an intense danger response — the same one that evolved to help you escape a real threat. Adrenaline floods your system, your heart rate rises to deliver oxygen to muscles, and breathing speeds up. Blood is redirected from your digestive system toward your limbs.

This is why panic attacks produce such vivid physical sensations: chest tightness, tingling in the hands and face, nausea, dizziness, a feeling of unreality. In a person without an underlying cardiac condition, none of these sensations are medically dangerous — but they feel alarming, which can itself intensify the panic.

The body's stress response is self-limiting. As no actual threat materializes, the system gradually resets. That is the biological reason panic attacks end.

What can help in the moment?

While a panic attack is happening, the goal is to help your nervous system recognize there is no actual danger:

• Slow your breathing: Breathe in slowly for four counts, hold briefly, breathe out slowly for six to eight counts. The longer exhale activates the parasympathetic (calming) system.
• Name what is happening: Saying to yourself "this is a panic attack — it will pass, I am not in danger" can help interrupt the fear spiral. This is harder than it sounds, but it is genuinely useful.
• Stay where you are if safe: Leaving the situation can reinforce avoidance over time. If it is safe, try to ride it out in place.
• Ground yourself: Focus on something concrete — what you can see, hear, or touch.

These strategies help you ride the attack out; they do not cut it short so much as make the experience more manageable. For longer-term change, cognitive behavioral therapy (CBT) is the most evidence-supported approach for recurrent panic 1Ref 1Hofmann SG, Asnaani A, Vonk IJJ, Sawyer AT, Fang A (2012).The Efficacy of Cognitive Behavioral Therapy: A Review of Meta-analyses.CBT, including interoceptive exposure for panic disorder, is the most evidence-supported psychological treatment for recurrent panic..

What is the difference between a panic attack and a heart attack?

Panic attacks and cardiac events can feel very similar — chest pain, racing heart, shortness of breath — and the two can be hard to distinguish in the moment, especially if you have not had a panic attack before or if you have cardiac risk factors.

Do not self-diagnose in the moment if you are unsure. The appropriate response to a first episode of these symptoms — especially with chest pain, arm or jaw pain, sweating, or if you are over 50 or have a history of heart disease — is to get evaluated. Clinicians can rule out cardiac causes with an ECG and other basic tests 2Ref 2DeGeorge KC, Grover M, Streeter GS (2022).Generalized Anxiety Disorder and Panic Disorder in Adults.Clinical evaluation of panic disorder including ruling out cardiac causes with ECG; workup for medical mimics of panic..

If you have had panic attacks before and recognize this as one, the same strategies above apply. But if there is genuine uncertainty, call 911.

When does panic become a disorder — and what helps?

An occasional panic attack, while miserable, is not necessarily a sign of a disorder. But if attacks are recurring, unexpected, or if you have started arranging your life around avoiding situations where you might have one, that pattern is consistent with panic disorder 3Ref 3National Institute of Mental Health (2023).Anxiety Disorders.Panic disorder defined by recurrent unexpected panic attacks with persistent concern about future attacks or significant behavior change to avoid them..

Clinicians use validated tools and clinical interviews to assess anxiety severity and type 4Ref 4Spitzer RL, Kroenke K, Williams JBW, Lowe B (2006).A Brief Measure for Assessing Generalized Anxiety Disorder: The GAD-7.Validated anxiety screening tools like the GAD-7 help clinicians assess anxiety severity and type in clinical settings.. Panic disorder responds very well to treatment. CBT — particularly a form called interoceptive exposure therapy — has a strong track record. Some people also benefit from medication, which a psychiatrist can prescribe and manage. You do not need to keep managing this alone.

Caffeine, sleep deprivation, and hormonal fluctuations can all lower the threshold for attacks and are worth discussing with a clinician. If you have a known cardiac or pulmonary condition, it is especially important to get a thorough evaluation before assuming chest symptoms are panic-related 2Ref 2DeGeorge KC, Grover M, Streeter GS (2022).Generalized Anxiety Disorder and Panic Disorder in Adults.Clinical evaluation of panic disorder including ruling out cardiac causes with ECG; workup for medical mimics of panic..