Anxiety Heart Palpitations: Causes and What Helps
Anxiety can cause a pounding, fluttering or racing heart—but palpitations can also have medical causes. Learn why this happens, what may help and when to seek medical care.
Anxiety Heart Palpitations: Why Your Heart May Race
A pounding, fluttering, or racing heart can be frightening—especially when it seems to happen without warning. You may notice your heartbeat while sitting quietly, trying to sleep, driving, working, or entering a stressful situation. The sensation can quickly trigger another alarming thought: Is something wrong with my heart?
Anxiety can cause real physical changes, including a faster or more noticeable heartbeat. However, heart palpitations can also have medical causes. New, recurring, changing, or concerning symptoms deserve evaluation by a qualified healthcare professional rather than being assumed to be anxiety.
Series: 15 Physical Symptoms of Anxiety
This article is the first in our series exploring physical symptoms that may occur with anxiety:
- Heart palpitations or a racing heart, published September 2, 2026
- Chest tightness or discomfort
- Shortness of breath or rapid breathing
- Dizziness or lightheadedness
- Sweating, hot flashes, or chills
- Trembling or shaking
- Tingling or numbness
- Nausea or an unsettled stomach
- Diarrhea, cramping, or digestive changes
- Muscle tension or jaw clenching
- Headaches
- Fatigue or feeling physically drained
- Difficulty falling or staying asleep
- Dry mouth or difficulty swallowing
- Frequent urination
Experiencing one of these symptoms does not prove that anxiety is the cause. Many symptoms overlap with medical conditions, medication effects, sleep problems, hormonal changes, and other factors. A healthcare professional can help determine what is happening.
What Do Heart Palpitations Feel Like?
Heart palpitations are an increased or uncomfortable awareness of your heartbeat. People describe them in different ways:
- A racing or unusually fast heartbeat
- Pounding or thumping in the chest
- Fluttering in the chest, throat, or neck
- A skipped beat or an extra beat
- A heartbeat that suddenly feels more forceful
The sensation may last only a few seconds, recur in waves, or continue longer. Sometimes the rhythm is normal even though the heartbeat feels unusually noticeable. At other times, palpitations can reflect an abnormal rhythm, which is one reason persistent or changing symptoms should be discussed with a medical professional.
How Can Anxiety Make Your Heart Race?
When your brain senses danger, pressure, or uncertainty, it can activate the body’s stress response. Stress hormones prepare you to react by increasing alertness, breathing, muscle tension, and heart rate. This response is useful when a threat is real and immediate. With anxiety, it may become activated even when you are physically safe.
A feedback loop can then develop:
- You notice your heart beating faster.
- You interpret the sensation as dangerous.
- Fear increases the stress response.
- Your heartbeat becomes faster or more noticeable.
- You monitor your body even more closely.
The symptoms are not imaginary. The physical sensations are real, even when anxiety is contributing to them. Counseling can help you understand the cycle and develop a different response to anxious thoughts and body sensations.
Do Not Automatically Assume It Is Anxiety
Palpitations may be associated with stress or panic, but they can also be related to strenuous exercise, insufficient sleep, dehydration, fever, caffeine, nicotine, alcohol, stimulant or decongestant medications, anemia, thyroid problems, electrolyte abnormalities, or a heart-rhythm condition. Pregnancy and menopause may also affect how the heartbeat feels.
Contact a healthcare professional if palpitations are new, keep returning, are becoming more frequent, last longer than a few minutes, feel different from your usual symptoms, interfere with daily life, or occur when you have a personal or family history of heart problems. A clinician may review your symptoms, medications, health history, pulse, bloodwork, or heart rhythm to help identify the cause.
When Heart Palpitations Require Urgent Help
Call 911 or seek emergency medical care for palpitations accompanied by chest pain or pressure, significant shortness of breath, fainting or near-fainting, loss of consciousness, unusual sweating, or other symptoms that could indicate a medical emergency. Do not try to diagnose those symptoms as anxiety on your own.
What Can Help When Anxiety Is Contributing?
After a healthcare professional has evaluated concerning symptoms, several practical strategies may help reduce the anxiety-palpitations cycle.
Slow your exhale
Try breathing gently rather than taking repeated large breaths. Allow the exhale to be slightly longer than the inhale. If breathing exercises make you dizzy or more uncomfortable, stop and return to normal breathing.
Orient yourself to the present
Name several things you can see, hear, and physically feel. Notice the support of the chair or floor beneath you. This can help redirect attention from fearful predictions to your current surroundings.
Observe patterns without repeatedly checking
A brief symptom record can be useful for a medical appointment. Note when the sensation occurred, how long it lasted, what you were doing, associated symptoms, recent sleep, and possible triggers. Repeatedly checking your pulse or searching for reassurance, however, may intensify anxiety for some people.
Review common triggers
Consider whether symptoms follow caffeine, nicotine, alcohol, poor sleep, dehydration, strenuous activity, or a new medication. Do not stop prescribed medication without speaking with the prescribing professional.
Address the anxiety itself
If fear of physical sensations is affecting your choices, sleep, work, relationships, or willingness to leave home, counseling may help. Therapy can support you in identifying triggers, examining catastrophic interpretations, reducing avoidance, and building skills for responding to stress.
Counseling for Anxiety in Conroe, TX
You do not have to choose between taking physical symptoms seriously and addressing anxiety. Appropriate medical evaluation and counseling can work together. At Kelly-Johnston Counseling, care is personalized to your experiences, goals, and needs, with in-person appointments in Conroe and telehealth for clients located throughout Texas.
Learn more about counseling for anxiety, fears, and phobias, or contact Kelly-Johnston Counseling to ask about an appointment.
This article is for general educational purposes and is not a diagnosis or a substitute for medical care. If you believe you may be experiencing a medical emergency, call 911.
