What Does Anxiety Feel Like?

“How do I know if what I'm feeling is anxiety?”

It's a surprisingly common question.

Anxiety doesn't always feel like simply being worried. Sometimes it feels like a racing heart, a tight chest, a knot in your stomach, or a mind that won't stop running through every possible problem.

You might feel restless and unable to settle. You might find yourself replaying a conversation from yesterday or imagining everything that could go wrong tomorrow. You may feel exhausted from worrying, yet unable to stop.

And sometimes anxiety feels less like fear and more like something being wrong.

That can make anxiety especially confusing. Physical symptoms can feel frightening, while anxious thoughts can feel so convincing that it becomes difficult to step back and recognize what is happening.

So, what does anxiety actually feel like?

The answer is different for everyone, but there are some common patterns.

Anxiety Can Feel Physical

One of the most surprising things about anxiety is how physical it can be.

When your brain detects a threat, your body can respond as though it needs to prepare for action. Your heart rate may increase. Your muscles may tense. Your breathing may change. Your digestive system may react.

You might notice:

• a racing or pounding heart

• tightness in your chest

• shortness of breath or the feeling that you can't get a satisfying breath

• trembling or shaking

• sweating

• dizziness or light-headedness

• nausea or stomach discomfort

• muscle tension

• headaches

• tingling or unusual sensations

• feeling hot or cold

• difficulty sitting still

These sensations are not imaginary. Anxiety is associated with changes in how people experience and interpret sensations from inside their bodies.

Research on interoception, which refers to the perception of internal bodily sensations, suggests that people experiencing anxiety may report greater sensitivity to bodily signals and a tendency to pay more negative attention to them. At the same time, the research is more complicated than the idea that anxious people simply have a more accurate awareness of their bodies. Studies have not consistently found that people with anxiety are objectively better at detecting physiological changes such as their heartbeat (Adams et al., 2022; Murphy et al., 2024).

In other words, anxiety can make you feel very aware of your body without necessarily meaning that your body is actually in danger.

That distinction can be reassuring.

Anxiety Can Feel Like Your Heart Is Trying to Escape Your Chest

A racing heart can be one of the most frightening symptoms of anxiety.

You may suddenly notice your heartbeat and think:

“Why is my heart beating so fast?”

Then another thought follows:

“What if something is wrong?”

That fear can make you pay even closer attention to your heartbeat, which can make the sensation feel even more intense.

For someone who has never experienced anxiety this way before, it can be genuinely frightening.

This is also one reason it's important not to automatically assume that every physical symptom is anxiety. New, severe, persistent, or unexplained chest pain, fainting, significant difficulty breathing, or other concerning symptoms should be medically assessed.

But when a healthcare professional has ruled out a medical problem, learning how anxiety can affect your body can help you understand why these sensations can feel so powerful.

Anxiety Can Feel Like You Can't Turn Your Brain Off

For many people, the mental side of anxiety is just as exhausting as the physical symptoms.

Your thoughts may jump rapidly from one concern to another.

What if I made the wrong decision?

What if something happens to my family?

What if they are upset with me?

What if I can't handle this?

What if something goes wrong?

You may find yourself repeatedly reviewing the past, trying to figure out whether you said the wrong thing or made a mistake. Or your mind may spend hours rehearsing possible future problems in an attempt to make sure you're prepared.

The frustrating part is that thinking more doesn't necessarily make you feel more prepared.

Sometimes it simply gives anxiety more material to work with.

This kind of persistent worry is particularly characteristic of generalized anxiety disorder, where excessive worry occurs across multiple areas of life and is difficult to control. But worry can also be part of many other forms of anxiety.

Anxiety Can Feel Like Restlessness

Anxiety doesn't always feel like sitting quietly and worrying.

Sometimes it feels like you cannot settle.

You might pace around the house, constantly check your phone, reorganize things, keep yourself busy, or feel uncomfortable sitting still.

Your body may feel as though it is waiting for something to happen.

This can be particularly exhausting because your nervous system may remain activated even when there is no immediate problem that needs to be solved.

You may eventually think:

“I am so tired. Why can't I just relax?”

That question itself can become another source of frustration.

Anxiety Can Feel Like Irritability

Not everyone experiences anxiety as obvious fear.

Sometimes anxiety comes out as irritability.

You may have less patience with your partner or children. Small things may suddenly feel overwhelming. You might find yourself snapping at people and then feeling guilty afterward.

This doesn't necessarily mean that anger is the underlying problem. For some people, irritability is what anxiety looks like when they are already overloaded.

That can be especially true when anxiety is interfering with sleep or leaving you mentally exhausted.

Anxiety Can Feel Like Avoiding Things You Actually Want to Do

Anxiety doesn't only affect how you feel. It can affect what you do.

You might put off making a phone call because you're worried about what the other person will say.

You might avoid social situations because you're afraid of being judged.

You might stop driving, travelling, exercising, going to appointments, speaking in meetings, or doing other things that have become associated with anxiety.

At first, avoidance can feel like relief.

“I don't have to feel anxious if I don't go.”

The problem is that avoidance can sometimes strengthen anxiety over time. When you repeatedly escape a situation that frightens you, your brain may never get the opportunity to learn that you can tolerate the discomfort or that the feared outcome may not happen.

Avoidance is therefore an important part of many evidence-based anxiety treatments.

Anxiety Can Make You Question Your Own Reactions

One of the hardest parts of anxiety can be the uncertainty.

You may wonder:

“Am I overreacting?”

“Why can't I handle this like everyone else?”

“What is wrong with me?”

“Why does this feel so much bigger to me than it seems to other people?”

These questions can add shame to an already difficult experience.

Anxiety is not a character flaw. It isn't a sign that you're weak, dramatic, or incapable of coping.

It is also possible to be functioning well on the outside while struggling significantly on the inside.

You can go to work, take care of your children, answer emails, attend appointments, and appear completely fine while your mind is working overtime.

Anxiety Can Feel Different From One Day to the Next

There isn't one universal anxiety experience.

One day, anxiety might feel like a stomachache.

Another day, it might be racing thoughts.

Sometimes it might be a tight chest and restless energy. Other times, it might be exhaustion, irritability, difficulty concentrating, or a strong urge to avoid everything.

The same person may experience several of these symptoms at once, and their experience can change depending on stress, circumstances, sleep, health, and the particular type of anxiety they are experiencing.

This is one reason a simple online symptom checklist can't tell you whether you have an anxiety disorder.

Anxiety symptoms can overlap with many other mental and physical health conditions. A qualified healthcare professional can help determine what is going on when symptoms are persistent, severe, or interfering with your life.

What If You Know You're Anxious but Can't Stop It?

Understanding that you're anxious doesn't necessarily make the anxiety disappear.

You might recognize that your thoughts are probably exaggerated and still feel frightened.

You might know that your heart is racing because you're anxious and still feel afraid of the sensation.

You might tell yourself, “There's nothing to worry about,” and find that your brain immediately produces five more things to worry about.

This is why simply telling someone with anxiety to “stop worrying” usually isn't very helpful.

The goal isn't to argue with every anxious thought or force yourself to feel calm.

Effective therapy can help you develop a different relationship with anxiety, including learning how to respond to worry, uncertainty, physical sensations, and avoidance in ways that are less disruptive.

Can Therapy Help With Anxiety?

Yes. Anxiety is highly treatable, although the most appropriate treatment depends on the type of anxiety you're experiencing.

Cognitive behavioural therapy (CBT) has a substantial evidence base for anxiety disorders. Recent meta-analyses continue to find meaningful benefits of CBT for conditions including generalized anxiety disorder, panic disorder, and social anxiety disorder (Hofmann et al., 2025; Cuijpers et al., 2025).

For generalized anxiety disorder in particular, evidence suggests that CBT approaches can help reduce excessive worry and anxiety symptoms, with some approaches focusing specifically on intolerance of uncertainty, worry beliefs, problem-solving, and underlying fears (Dai et al., 2025).

Therapy may also help you understand the patterns that keep anxiety going.

Anxiety can also show up in the ways you respond to uncertainty. You might find yourself repeatedly asking for reassurance, avoiding situations that make you uncomfortable, researching possible problems for hours, or being unusually hard on yourself when something goes wrong. For some people, anxiety is closely connected to past experiences, relationship difficulties, ongoing stress, or fears about what the future might bring. These patterns can be difficult to recognize when you're living inside them, which is one reason talking them through with a therapist can be helpful.

When Should You Consider Getting Help?

You don't have to wait until anxiety becomes unbearable before talking to someone.

It may be worth considering professional support when anxiety is interfering with your sleep, relationships, work, school, social life, or ability to do things that matter to you.

You may also want to reach out if you find yourself avoiding more and more situations, spending large amounts of time worrying, experiencing frequent physical symptoms, or feeling as though you're constantly trying to keep yourself calm.

And you don't need to know exactly what kind of anxiety you have before making an appointment.

You can simply say:

“I've been feeling anxious and I don't really know what's going on. I just know that it's starting to affect my life.”

That's enough of a place to start.

You Don't Have to Figure It Out Alone

If you've been wondering whether what you're experiencing is anxiety, you're certainly not alone.

Anxiety can feel physical, emotional, mental, and behavioural all at once. It can make you feel frightened by your own body, exhausted by your own thoughts, or frustrated by things that suddenly seem much harder than they used to be.

But experiencing anxiety does not mean that something is fundamentally wrong with you.

With the right support, people can learn to understand their anxiety, change patterns that keep it going, and feel more confident navigating uncomfortable thoughts and sensations.

At Authentic Living London, our therapists provide individualized counselling for anxiety and related concerns. You don't need to have the perfect words or know exactly what kind of therapy you need before reaching out. We can start with what's happening for you right now.

If you're looking for anxiety therapy in London, Ontario, call or text 226-224-0301 to book a free 15-minute phone or video consultation, or email info@authenticlivinglondon.com.

You don't have to wait until anxiety takes over your life before asking for support.

Brenda Deaves, Registered Psychotherapist - qualifying, BA, MACP has extensive experience providing grief support in group settings. She also now provides psychotherapy for couples, families, and individuals both virtually and in-person.

References

Adams, K. L., Edwards, A., Peart, C., Ellett, L., Mendes, I., Bird, G., & Murphy, J. (2022). The association between anxiety and cardiac interoceptive accuracy: A systematic review and meta-analysis. Neuroscience & Biobehavioral Reviews, 140, 104754. https://doi.org/10.1016/j.neubiorev.2022.104754

Cuijpers, P., Harrer, M., Miguel, C., Ciharova, M., Papola, D., Basic, D., Botella, C., Cristea, I. A., de Ponti, N., Donker, T., Driessen, E., Franco, P., Gómez-Gómez, I., Hamblen, J., Jiménez-Orenga, N., Karyotaki, E., Keshen, A., Linardon, J., Motrico, E., Matbouriahi, M., Panagiotopoulou, O. M., Pfund, R. A., Plessen, C. Y., Riper, H., Schnurr, P. A., Sijbrandij, M., Toffolo, M. B. J., Tong, L., van Ballegooijen, W., van der Ven, E., van Straten, A., Wang, Y., & Furukawa, T. A. (2025). Cognitive behavior therapy for mental disorders in adults: A unified series of meta-analyses. JAMA Psychiatry, 82(6), 563–571. https://doi.org/10.1001/jamapsychiatry.2025.0482

Dai, X., Zhang, Z., Sun, L., Zhu, S., Wu, Y., Lian, J., & Deng, X. (2025). (Third-wave) cognitive behavioral therapy for generalized anxiety disorder in adults: A systematic review and Bayesian network meta-analysis. Journal of Psychiatric Research, 187, 134–143. https://doi.org/10.1016/j.jpsychires.2025.05.010

Hofmann, S. G., Kasch, C., & Reis, A. (2025). Effect sizes of randomized-controlled studies of cognitive behavioral therapy for anxiety disorders over the past 30 years. Clinical Psychology Review, 117, 102553. https://doi.org/10.1016/j.cpr.2025.102553

Murphy, J., Adams, K. L., Edwards, A., Peart, C., Mendes, I., Bird, G., & Ellett, L. (2024). The relationship between self-reported interoception and anxiety: A systematic review and meta-analysis. Neuroscience & Biobehavioral Reviews, 165, 105923. https://doi.org/10.1016/j.neubiorev.2024.105923

Wolters, C., Gerlach, A. L., & Pohl, A. (2022). Interoceptive accuracy and bias in somatic symptom disorder, illness anxiety disorder, and functional syndromes: A systematic review and meta-analysis. PLOS ONE, 17(8), e0271717. https://doi.org/10.1371/journal.pone.0271717