In this article
- What Is a Panic Attack?
- What Is an Anxiety Attack?
- Panic Attack vs Anxiety Attack: Key Differences
- Panic Attack Symptoms and Warning Signs
- Anxiety Attack Symptoms and Warning Signs
- What Causes Panic Attacks and Anxiety Attacks?
- Panic Attack vs Heart Attack: When to Seek Emergency Care
- How to Stop a Panic Attack or Anxiety Attack
- When Panic Attacks Become Panic Disorder
- Treatment for Panic and Anxiety Attacks
- When to Seek Professional Help for Panic and Anxiety
- References
If your heart suddenly pounds, your chest tightens, and a wave of fear washes over you, it is hard to know what is happening in the moment. Many people reach for the same two words to describe it: a panic attack or an anxiety attack. The terms are often used interchangeably, yet they describe different experiences. Both are rooted in the body’s fight-or-flight response, the survival system that prepares you to face a threat. The real difference lies in how the episode begins, how long it lasts, and how intense it feels. This guide explains how to tell a panic attack from an anxiety attack, what each one feels like, how to calm an attack in the moment, and when it is worth speaking with a therapist.
What Is a Panic Attack?
A panic attack is a sudden episode of intense fear or discomfort that peaks within minutes, often with no obvious trigger. According to the National Institute of Mental Health, a panic attack involves a sudden wave of fear or a sense of losing control even when there is no clear danger, and it can strike at any time, sometimes even during sleep. Unlike everyday worry, a panic attack arrives quickly and feels overwhelming. The body reacts as though it is in real danger: the heart races, breathing quickens, and many people feel as though they are having a heart attack or losing control. Panic attack is also a recognized clinical term, described in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR). As the Canadian Mental Health Association explains, a panic attack can be a one-time reaction to a stressful situation or part of panic disorder, in which attacks recur unexpectedly.
What Is an Anxiety Attack?
An anxiety attack is a common way to describe a period of escalating worry, tension, and dread that builds gradually, usually in response to a stressful situation. It is worth knowing that anxiety attack is not a formal diagnosis, even though it is widely used in everyday conversation. Anxiety itself is very real and is the central feature of conditions such as generalized anxiety disorder. The Centre for Addiction and Mental Health (CAMH) notes that anxiety becomes a concern when it is persistent and severe enough to disrupt daily life. An anxiety attack tends to build slowly as worries pile up, and the physical sensations are usually milder than those of a panic attack, though they can last much longer. If ongoing anxiety is affecting your day-to-day life, working with an anxiety therapist can help you understand and manage it.
Panic Attack vs Anxiety Attack: Key Differences
When you compare a panic attack vs an anxiety attack side by side, four features stand out: how the episode starts, what triggers it, how long it lasts, and how intense it feels. The table below summarizes the main differences, and the sections that follow explain each one.
| Feature | Panic Attack | Anxiety Attack |
|---|---|---|
| Onset | Sudden, often without warning | Gradual, builds over time |
| Trigger | May happen with or without a clear trigger | Usually tied to an ongoing stressor or worry |
| Duration | Peaks within minutes, then eases | Can persist for hours or longer |
| Intensity | Severe, with strong physical symptoms | Mild to moderate, more psychological |
| Diagnostic status | Recognized in the DSM-5-TR | Not a formal clinical diagnosis |
Onset and Triggers
The clearest way to tell the two apart is to ask whether the feeling came out of the blue. A panic attack often appears suddenly, sometimes with no identifiable trigger at all, while an anxiety attack usually builds gradually as a stressful event approaches or a worry grows. If you have been ruminating about a deadline, a difficult conversation, or a health concern, and your distress slowly climbed, that pattern fits anxiety more closely than panic.
How Long Each One Lasts
Panic attacks are short and sharp. Most peak within about 10 minutes and ease within 20 to 30 minutes, although the NIMH notes that some attacks can last longer. Anxiety, by contrast, can simmer for hours, days, or as long as the underlying stressor remains. The brief, sudden nature of a panic attack is one of its defining features.
Intensity and Type of Symptoms
Panic attacks tend to be far more physically intense, producing a surge of symptoms such as a racing heart, chest pain, and shortness of breath. Anxiety attacks lean more psychological, with worry, restlessness, and muscle tension that are uncomfortable but rarely as overwhelming. Both draw on the same underlying alarm system, which is why the symptoms overlap even when the experience differs.
Panic Attack Symptoms and Warning Signs
Panic attack symptoms come on quickly and tend to peak fast. They are physical and emotional at the same time, which is part of what makes them so frightening. Common signs include:
- Pounding or racing heart
- Sweating, trembling, or shaking
- Shortness of breath or a choking sensation
- Chest pain or discomfort
- Nausea or stomach upset
- Dizziness, lightheadedness, or feeling faint
- Numbness or a tingling sensation
- Chills or hot flashes
- A feeling of unreality or detachment from yourself
- Fear of losing control or dying
Clinical sources such as the NIMH list these as the hallmark features of a panic attack. They are intense, but the attack itself is not dangerous.
What a Panic Attack Feels Like
People often describe what a panic attack feels like as a sudden sense that something is terribly wrong. One moment you feel fine, and the next your heart is hammering, the room feels unreal, and you are convinced you might pass out or even die. The fear can be so physical that many people genuinely believe they are having a heart attack. The episode usually peaks within minutes and then fades, often leaving you drained and shaken for a while afterward.
Panic Attack Symptoms in Women
Panic attacks are more common in women, and panic attack symptoms in women can sometimes be mistaken for other health issues. The NIMH notes that women are more likely than men to develop panic disorder. Hormonal shifts, including those around the menstrual cycle, pregnancy, and menopause, can influence how often attacks occur and how they feel. The core symptoms are the same, but because they can overlap with conditions such as thyroid or heart concerns, a medical check is wise when symptoms are new.
Nighttime (Nocturnal) Panic Attacks
Nocturnal panic attacks wake you from sleep with the same racing heart and surge of fear that a daytime attack brings. They can be especially disorienting because there is no obvious trigger and you are not consciously worrying about anything when they begin. As the NIMH explains, panic attacks can occur at any time, including during sleep. Waking in a state of panic does not mean something is medically wrong with your heart, but recurring nighttime attacks are worth discussing with a professional.
Anxiety Attack Symptoms and Warning Signs
An anxiety attack often feels like a slow tightening rather than a sudden explosion: worry builds, your shoulders tense, your mind races, and a sense of dread settles in. Anxiety attack symptoms are usually more psychological than those of a panic attack, and they can linger. Common signs include:
- Excessive worry or a sense of dread
- Restlessness or feeling on edge
- Difficulty concentrating
- Irritability
- Muscle tension
- Fatigue
- Trouble sleeping
Because these symptoms can persist for hours or build over days, an anxiety attack can be wearing in a different way than the short, sharp spike of panic.
What Causes Panic Attacks and Anxiety Attacks?
Understanding what causes panic attacks and anxiety attacks starts with the body’s fight-or-flight response. When the brain senses a threat, it floods the body with stress hormones that speed up the heart and breathing to prepare you to act. In a panic attack, this alarm goes off when there is no real danger, a kind of false alarm. Several factors can make a person more prone to attacks, including a family history of anxiety or panic, ongoing stress, a temperament that is sensitive to physical sensations, and stimulants such as caffeine. Brain regions involved in detecting threat, including the amygdala, also play a role. For most people, several of these factors combine rather than a single cause being responsible.
Panic Attack vs Heart Attack: When to Seek Emergency Care
Because the physical symptoms overlap, telling a panic attack vs a heart attack apart can be frightening, and it is not always possible to be certain on your own. Both can involve chest pain, shortness of breath, sweating, and a racing heart. The reassuring news is that panic attacks, while intensely uncomfortable, are not life-threatening. Chest pain, however, should never simply be assumed to be panic, especially if it is new, if it spreads to the arm, jaw, or back, or if you have risk factors for heart disease. When in doubt, treat it as an emergency and call 911 or go to the nearest emergency department. A first-time episode in particular deserves a medical evaluation to rule out a heart or respiratory cause. The Canadian Mental Health Association notes that a doctor will look at all possible options, including heart or thyroid problems, to make sure another medical condition is not behind the symptoms. Once a physical cause has been ruled out, it becomes much easier to recognize and manage future panic attacks.
How to Stop a Panic Attack or Anxiety Attack
Learning how to stop a panic attack or calm an anxiety attack starts with a simple truth: the episode will pass. You cannot always switch the feeling off instantly, but a few evidence-based techniques can shorten an attack and loosen its grip. The strategies below are practical starting points you can use almost anywhere.
The 3-3-3 Rule and Grounding Techniques
The 3-3-3 rule is a quick grounding exercise that helps pull your attention out of the spiral of fear and back into the present. Name three things you can see, identify three sounds you can hear, then move three parts of your body, such as your fingers, toes, and shoulders. A related method is the 5-4-3-2-1 technique, where you notice five things you can see, four you can feel, three you can hear, two you can smell, and one you can taste. Grounding works because it gives your mind a concrete task, which interrupts the cycle of catastrophic thinking that fuels an attack.
Breathing Techniques to Calm Your Body
Slow breathing is one of the most reliable ways to settle the body during an attack. When you panic, you tend to breathe fast and shallow, which can worsen dizziness and the sense of breathlessness. Try breathing in slowly through your nose for a count of four, holding briefly, then exhaling gently through your mouth for a count of six. Lengthening the exhale signals to your nervous system that the threat has passed. Practicing this when you are calm makes it far easier to use when an attack actually hits.
How to Help Someone Having a Panic Attack
If you want to know how to help someone having a panic attack, the most useful thing you can do is stay calm and present. Reassure them that what they are feeling is a panic attack, that it is not dangerous, and that it will pass. Speak in short, simple sentences, avoid crowding them, and gently guide them to slow their breathing by counting along with you. Ask what they need rather than assuming, and stay with them until the wave subsides.
When Panic Attacks Become Panic Disorder
A single panic attack, or even an occasional one, does not mean you have panic disorder. An isolated panic attack is not a mental health condition on its own. Panic disorder is diagnosed when someone has recurrent, unexpected panic attacks followed by at least a month of persistent worry about having another, or meaningful changes in behaviour to avoid them, such as steering clear of places where an attack happened before. This definition reflects the diagnostic criteria summarized by both CAMH and the NIMH. Panic disorder is very treatable, and we offer dedicated support to people working through exactly this pattern.
Treatment for Panic and Anxiety Attacks
Effective treatment for panic and anxiety attacks is well established, and most people improve with the right support. Treatment usually involves psychotherapy, medication, or a combination of the two, chosen to fit your needs and preferences. The goal is not only to reduce how often attacks happen but also to ease the fear of attacks that often keeps the cycle going.
Therapy: CBT and Exposure Therapy
Cognitive behavioural therapy (CBT) is considered the gold-standard psychotherapy for panic and anxiety, according to the NIMH. CBT helps you recognize and change the thoughts and reactions that feed an attack, so the physical sensations of fear gradually lose their power. A meta-analysis of randomized placebo-controlled trials found that CBT produces medium to large improvements across anxiety disorders, including panic disorder. Exposure therapy, often part of CBT, gently and repeatedly helps you face feared sensations or situations until they no longer set off the alarm.
Medication Options
Medication can also help, particularly for more severe or frequent attacks. Some antidepressants can be used over longer periods to ease anxiety, while anti-anxiety medications are usually best kept for short-term use. Because any medication must be prescribed and monitored by a physician, a psychotherapist will usually work alongside your family doctor rather than prescribe directly. For many people, therapy and medication together work better than either one alone.
When to Seek Professional Help for Panic and Anxiety
If panic or anxiety attacks are interfering with your work, relationships, or daily life, it may be time to reach out for professional support. Other signs that it is worth speaking with a therapist include having frequent attacks, living in fear of the next one, or starting to avoid places and activities because of them. Panic and anxiety are highly treatable, and you do not need to manage them alone. Talking with a trained mental health professional can help you understand what is happening and build practical skills to regain a sense of control.
At 101 Psychotherapy, we support people across Vaughan, the Greater Toronto Area, and virtually across Ontario, and we offer a free initial consultation so you can find the right fit. When you are ready, you can book an appointment.
References
- National Institute of Mental Health (NIMH). Panic Disorder: What You Need to Know. https://www.nimh.nih.gov/health/publications/panic-disorder-when-fear-overwhelms
- Centre for Addiction and Mental Health (CAMH). Anxiety Disorders. https://www.camh.ca/en/health-info/mental-illness-and-addiction-index/anxiety-disorders
- American Psychiatric Association. What Are Anxiety Disorders? https://www.psychiatry.org/patients-families/anxiety-disorders/what-are-anxiety-disorders
- Canadian Mental Health Association. Phobias and Panic Disorders. https://cmha.ca/brochure/phobias-and-panic-disorders/
- Hofmann SG, Smits JAJ. Cognitive-Behavioral Therapy for Adult Anxiety Disorders: A Meta-Analysis of Randomized Placebo-Controlled Trials. J Clin Psychiatry. 2008;69(4):621 to 632. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2409267/
- World Health Organization. Anxiety disorders (fact sheet). https://www.who.int/news-room/fact-sheets/detail/anxiety-disorders
- American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). Washington, DC: American Psychiatric Association; 2022.
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