Physical Symptoms of Anxiety: 10 Signs to Watch For

The Sagent Behavioral Health providers consulted for this article on the physical symptoms of anxiety are Dr. Karin Ryan, LP and Brett Cushing, LMFT, hosts of the Everyday Therapy Podcast.

Anxiety is often thought of as something that happens in the mind, like racing thoughts or constant worry. However, anxiety can also have very real physical effects on the body.  

If you have struggled with anxiety before, you might have noticed an accompanying headache or muscle tension. While you may have associated these symptoms with dehydration or sitting too long at your desk, these physical symptoms are connected to the body’s stress response.  

Recognizing how anxiety affects your body can make it easier to understand what you are experiencing and when it may be time to seek additional support.  

This guide breaks down ten common physical symptoms of anxiety that many people experience so you can recognize how you are feeling and what you can do to help yourself.  

Why Anxiety Causes Physical Symptoms 

Did you know that anxiety is your body’s natural alarm system? When your brain senses a potential threat, it activates the fight-or-flight response. This response is a survival mechanism designed to help you react quickly to danger by either fleeing from the threat or staying to fight through it.  

While anxious feelings can be helpful in short bursts, prolonged or unexplained anxiety can cause your body to stay in a heightened state of alert. Chronic anxiety can affect digestion, sleep, and energy. Hormones like adrenaline can also cause an acute increase in heart rate, breathing, and tension. Over time, these issues can compound and negatively impact your physical health.

Unfortunately, anxiety affects up to 1 in 5 adults, making anxiety disorders the most common mental health conditions across the globe.  Knowing what to look for when it comes to your physical health can help you manage anxiety more productively.  

Physical Symptoms of Anxiety 

Persistent Headaches or Migraines 

Your muscles can tense during anxious moments, and stress hormones can flood your body. These physical reactions can trigger tension headaches or migraines.

Common features of headaches due to anxiety include:  

• Pain that worsens toward the end of the day 

• Tightness in the neck or shoulders 

• Jaw clenching or teeth grinding 

Stomach or Digestive Problems 

Your digestive system is highly sensitive to stress. Your brain and your gut are closely connected, so when you are experiencing anxiety, you may notice nausea, abdominal pain, diarrhea, or constipation.  

Chest Tightness or Pain 

Chest tightness or pain is a symptom that often causes significant concern. Anxiety can create a squeezing or pressure sensation in the chest, which many people initially mistake for a medical emergency.  

Symptoms may include:  

• Tight or heavy pressure in the chest 

• Sharp or brief pain 

• Increase in discomfort during moments of stress or panic 

Although anxiety-related chest pain is not usually dangerous, it can be worrisome and should always be evaluated by a medical professional if the symptoms are new or severe.  

Racing Heart or Heart Palpitations 

A racing or pounding heartbeat is a classic fight-or-flight response. When anxiety activates the body’s stress response, your heart pumps faster to prepare you for action.  

Hyperventilation  

Anxiety can often cause people to breathe faster or more shallowly than usual. You might feel a tightness in your throat or get the feeling that you're not getting enough air. Like a racing heart, your body is preparing to respond to perceived danger and increases your breath intake.  

Body Pain or Muscle Tension  

Chronic anxiety can keep your muscles in a constant state of tension. Over time, this can lead to soreness and ongoing discomfort. 

Tension or pain can occur in your:  

• Neck and shoulders 

• Upper or lower back 

• Jaw muscles  

Persistent muscle tension is one of the most frequently reported physical symptoms of anxiety. 

Fatigue or Low Energy 

Living in a constant state of alert can be physically exhausting. Anxiety can drain your mental and physical energy even if you are getting enough sleep. If you are constantly tired, have low energy, or have difficulty concentrating, it can be due to the fatigue your body is experiencing while continuously managing your stress response.  

Sleep Struggles and Anxiety

Racing thoughts and persistent worry can make it harder for you to relax, fall asleep, and stay asleep.  

Common sleep concerns include: 

• Difficulty falling asleep 

• Frequent waking during the night 

• Restless or unrefreshing sleep 

• Insomnia 

Over time, disrupted sleep can increase stress levels and worsen physical symptoms.

Dizziness or Lightheadedness 

When your breathing changes during anxious moments, it can create periods of dizziness as your body becomes dysregulated. This can feel like an unsteady or floating sensation or feeling faint.

Sweating, Trembling or Shaking 

Your body releases adrenaline when your nervous system is activated. This can produce noticeable physical reactions like cold sweats, shaky hands, or feeling jittery or restless. These responses are part of the natural stress reaction even when no immediate danger is present.  

 Are These Physical Symptoms of Anxiety Temporary or an Anxiety Disorder?  

Stress and anxiety can feel similar, but they are not exactly the same. Stress is usually a short-term response to a specific situation like a major life change or challenging event. Once the situation resolves, stress often improves as well.  

Anxiety can persist even when there isn’t an immediate threat. For some people, these physical symptoms of anxiety can continue for weeks or months and can affect daily life, relationships, sleep, and overall well-being.  

You may want to seek professional support if symptoms: 

• Persist for several weeks or months 

• Interfere with work, school, relationships, or daily responsibilities 

• Occur frequently without a clear trigger 

• Lead you to avoid situations or activities you previously enjoyed 

• Result in repeated medical visits for physical symptoms with no clear diagnosis 

The good news is that anxiety disorders are highly treatable, and many people experience significant relief with the right care and coping strategies. 

How To Treat Anxiety 

If your anxiety is affecting your physical health, effective treatment is available at Sagent Behavioral Health. At Sagent, your care is personalized to your specific symptoms, history and goals. 

Treatment may include one or more of the following:  

• Therapy  

• Medication management 

• Stress management strategies 

• Dialectical behavior therapy (DBT)  

• Cognitive behavior therapy (CBT) 

• Lifestyle and sleep interventions  

If your symptoms of anxiety are affecting your daily life, Sagent Behavioral Health offers comprehensive assessments and evidence-based treatment for anxiety and related conditions. Together, we can help you find the relief you deserve.