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What is panic disorder? Symptoms, causes, and treatment

Learn how it differs from panic attacks, what causes it, and what treatments can help you manage symptoms and feel better.

May 8, 2026

Clinically reviewed by Caitlin Pugh, LCSW

9 min read

Clinically reviewed by Caitlin Pugh, LCSW

Panic attacks can feel terrifying in the moment. Your heart races, your chest tightens, and you may feel like you're losing control — or worse, that something is seriously wrong with your body. For some people, the fear of having another attack becomes just as disruptive as the attacks themselves.

But panic disorder is well understood, and there are effective ways to manage it. This guide walks through what panic disorder is, what causes it, how it's diagnosed, and what support options can help you feel more in control.

What is a panic disorder?

Panic disorder is an anxiety disorder marked by recurrent, unexpected panic attacks — along with ongoing worry about having more of them. Not everyone who has a panic attack develops panic disorder. In fact, many people experience one or two in their lifetime with no lasting effects. It becomes a panic disorder when the attacks keep happening and the fear of the next one starts getting in the way of everyday life.

Panic disorder affects about 2 to 3% of adults in the United States each year, according to the National Institute of Mental Health. Women are approximately twice as likely as men to be diagnosed.

You might also be wondering about the difference between a panic attack and an anxiety attack. The terms get used interchangeably, but they're actually distinct. Panic attacks tend to come on suddenly, peak within minutes, and bring intense physical symptoms — racing heart, chest pain, trouble breathing — that can genuinely feel like a medical emergency. Anxiety attacks, on the other hand, typically build more gradually in response to a specific stressor and tend to feel less physically overwhelming.

Panic attack"Anxiety attack"
OnsetUsually comes on suddenlyOften builds more gradually
IntensityVery intense, often peaks within minutesOften less abrupt and less intense
DurationUsually short, though the aftermath can lingerCan last longer and rise and fall with stress
Clinical statusA recognized clinical termNot a formal diagnostic term

Symptoms of panic disorder

Panic disorder symptoms happen on two levels: the panic attack itself and the anxiety that lingers between episodes.

Panic attack symptoms

What does a panic attack feel like? The experience varies, but common signs of a panic attack include:

  • A racing, pounding, or skipping heart
  • Chest pain or tightness
  • Shortness of breath or feeling like you can't get enough air
  • Sweating and trembling
  • Dizziness, lightheadedness, or numbness in your hands and feet
  • Intense terror or fear of dying
  • Derealization, which can feel like the world isn’t real
  • Depersonalization, which can feel like being detached from oneself

Panic attack symptoms usually peak within 10 minutes and subside within 20 to 30 minutes. Even so, the physical intensity can leave you feeling drained for hours afterward.

Anticipatory anxiety

Between attacks, you might notice a constant hum of worry. This is called anticipatory anxiety — the persistent fear that another attack could happen at any moment. You may spend a lot of mental energy scanning your body for warning signs or bracing yourself for the next episode. This heightened state of alert can raise your overall anxiety levels and make it harder to relax.

Avoidance behaviors

To prevent future attacks, you might start avoiding places or situations where past attacks have happened — crowded stores, public transportation, or social gatherings. Over time, this avoidance can shrink your world. You may pull back from activities you used to enjoy, strain relationships, or struggle at work. The pattern reinforces itself: avoiding triggers provides temporary relief, but it can make the fear grow stronger.

What are the causes of panic disorder?

The exact cause of panic disorder isn't fully understood. Research points to a combination of factors that increase risk.

  • Brain and nervous system function: The amygdala, the part of your brain that processes fear, may be overactive in people with panic disorder. This can cause your body to trigger a fight-or-flight response even when there's no real danger.
  • Genetics and family history: Panic disorder tends to run in families. If a close relative has panic disorder or another anxiety disorder, your risk is higher.
  • Major life stress or trauma: Significant life events — like the death of a loved one, a serious illness, or a major life transition — can trigger panic disorder. Past trauma can also play a role. If you've experienced difficult events, learning how trauma affects the body and mind may help you understand your symptoms.
  • Temperament: People who are more sensitive to stress or prone to negative emotions may be more likely to develop panic disorder.
  • Other conditions: Panic disorder sometimes occurs alongside other mental health conditions like depression, generalized anxiety disorder, or substance use. Certain medical conditions — including thyroid problems or heart arrhythmias — can produce symptoms that mimic panic attacks, which is why a thorough evaluation matters.

How are panic disorders diagnosed?

There’s no single test for panic disorder. Diagnosis usually involves a clinical evaluation that looks at symptom patterns and rules out physical causes.

Several types of mental health providers can assess panic symptoms. Depending on the situation, a person may start with a primary care clinician, a psychiatrist, a therapist, or a psychologist. A typical evaluation may include:

A review of symptoms

A clinician will usually ask:

  • What happens during the episodes
  • How quickly symptoms come on
  • How long they last
  • How often they happen and how long they’ve been happening for
  • Whether they seem expected or unexpected
  • How much worry exists between episodes
  • Whether daily routines have changed because of fear

A medical history

The clinician may ask about:

  • Current and past health conditions
  • Family history of anxiety or panic disorder
  • Medications and supplements
  • Caffeine, alcohol, nicotine, or other substance use
  • Recent stress, trauma, or major life changes

A physical exam or medical testing

Because panic symptoms can overlap with medical problems, some people need lab work, a physical exam, or other testing. This step helps rule out issues such as thyroid disease, heart conditions, or respiratory problems.

Screening for other mental health conditions

A clinician may also look for signs of depression, PTSD, other anxiety disorders, or substance use concerns. That matters because treatment planning can change if panic symptoms are part of a broader picture. Understanding the connection between anxiety and depression can also help clarify how these conditions sometimes overlap.

Diagnostic criteria

In simple terms, panic disorder is diagnosed when a person has recurrent, often unexpected panic attacks and then spends at least a month dealing with persistent worry about more attacks or changing behavior in a major way because of them. This diagnosis happens when the symptoms are not better explained by another disorder like phobias.

How to manage and treat panic disorders

Panic disorder is very treatable, and most people see real improvement with the right support. There's no one-size-fits-all approach — treatment is typically tailored to your symptoms, preferences, and what you're hoping to get out of it.

Cognitive behavioral therapy (CBT)

CBT is the most well-supported psychological approach for panic disorder. It helps you identify and change the thought patterns that fuel panic. You'll learn to recognize catastrophic interpretations — like mistaking a racing heart for a heart attack — and replace them with more accurate assessments.

CBT for panic disorder often includes exposure exercises, where you gradually and safely confront the physical sensations or situations you fear. Over time, this reduces the power those triggers hold. CBT shares foundations with other evidence-based approaches used for trauma-related conditions, so the skills you build can apply broadly.

Medication

Medication can help reduce the frequency and intensity of panic attacks. Selective serotonin reuptake inhibitors (SSRIs) are typically the first option. Serotonin-norepinephrine reuptake inhibitors (SNRIs) are another choice. Both take several weeks to reach full effect.

Benzodiazepines may be prescribed for short-term relief in some cases, but they carry a risk of dependence and are generally not recommended for long-term use. Any medication decision should be made in consultation with a licensed provider who can monitor your response and adjust as needed.

Breathing and grounding techniques for managing acute attacks

When a panic attack strikes, simple techniques can help you regain a sense of control. Slow, deep breathing — inhaling for four counts, holding for four counts, exhaling for four counts — activates your body's relaxation response. Grounding exercises, like naming five things you can see or pressing your feet firmly into the floor, help anchor you in the present moment.

These strategies work best when practiced regularly, not just during an attack. Building a toolkit of healthy coping approaches can help you feel more prepared.

Lifestyle factors

Certain habits can lower your baseline anxiety and reduce the likelihood of panic attacks:

  • Engaging in regular physical activity, as it regulates stress hormones and supports mood
  • Limiting caffeine and alcohol, both of which can trigger or worsen panic symptoms
  • Prioritizing consistent sleep, since sleep deprivation increases vulnerability to anxiety

Combination approaches and when a specialist referral may be appropriate

Many people benefit from combining therapy, medication, and lifestyle changes. If your symptoms are severe or haven't responded to initial efforts, a specialist — such as a psychiatrist or a psychologist with expertise in anxiety disorders — may be helpful. Knowing which type of provider fits your needs can make the process smoother.

Can panic disorder be prevented?

There's no guaranteed way to prevent panic disorder. But certain habits and early actions may reduce your risk or lessen the severity of symptoms if they develop. With the right support, people can live fulfilling, adjusted lives while managing a panic disorder. 

  • Seek support early. When stress or anxiety feels overwhelming, reaching out to a mental health provider before symptoms escalate can make a real difference. Preparing to talk with a provider about anxiety can help you take that first step.
  • Manage stress proactively. Regular physical activity, adequate sleep, and mindfulness practices can help keep your nervous system regulated.
  • Reduce known triggers. Caffeine, alcohol, and certain medications can increase anxiety and make panic attacks more likely. Cutting back — or avoiding them entirely — may help.
  • Build awareness of early warning signs. Pay attention to how your body responds to stress. Recognizing the first signs of escalating anxiety gives you a chance to intervene before it builds into a full attack.
  • Resist avoidance. It's tempting to stay away from places or situations that feel risky. But avoidance often reinforces fear over time. Gradually facing feared situations — ideally with professional support — can break the cycle.

Find care with Headway

Panic disorder can feel isolating, but effective support exists. With the right care, most people learn to manage their symptoms and reclaim their daily lives.

Headway makes it easy to find a therapist who fits your needs. You can browse therapists who take your insurance, see real-time availability, know the cost of each session upfront, and book directly online.

This content is for general informational and educational purposes only and does not constitute clinical, legal, financial, or professional advice. All decisions should be made at the discretion of the individual or organization, in consultation with qualified clinical, legal, or other appropriate professionals.

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Mental health conditions