7 Stress Symptoms in the Body You Shouldn't Ignore

Written by the Lyte Psychiatry clinical team. Clinically reviewed by Ana G., LPC, and medically reviewed by Dr. Akinwande Akintola, MD, supervising physician. Last reviewed: November 4, 2026.

Common stress symptoms in the body include headaches, tight or aching muscles, stomach and digestion problems, trouble sleeping, getting sick more often, a racing heart and changes in appetite. Short bursts of stress are normal and even helpful. When these symptoms last for weeks, they are a sign that stress is building up and deserves attention.

This guide is for adults and older teens who keep noticing physical symptoms during busy or difficult periods, and for people whose doctor has found no clear medical cause. It explains seven common symptoms, which need a medical check first and how to bring the stress load down.

How does stress affect the body?

Stress affects the body by switching on a fast, automatic response designed to handle danger. MedlinePlus defines stress as how your brain and body respond to a challenge or demand, and notes that long-term, or chronic, stress lasts for weeks, months or longer.

The MedlinePlus encyclopedia explains that stress hormones make the brain more alert, cause muscles to tense and increase the pulse. That response helps in an emergency. Kept switched on day after day, it can leave the body tired, sore and unsettled.

What are 7 common stress symptoms in the body?

The seven symptoms below are among the most common physical signs of ongoing stress. MedlinePlus lists several of them directly as signs of long-term stress. Each can also have medical causes, so new or severe symptoms deserve a check.

1. Headaches

Headaches are one of the signs of long-term stress MedlinePlus lists. Many people notice them at the end of a tense workday, often with tight neck or shoulder muscles.

2. Tight, aching muscles

Because stress hormones tense muscles, people often feel stiffness in the jaw, neck, shoulders or lower back. Clenching your teeth at night is another common pattern. Gentle stretching, warm showers and short movement breaks during long sitting periods can help.

3. Stomach and digestion problems

Stomach problems or trouble digesting food are on the MedlinePlus list. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) describes irritable bowel syndrome as a problem with brain-gut interaction. Eating at regular times and slowing down at meals can ease some stress-related stomach upset, but ongoing symptoms deserve a medical visit.

4. Trouble sleeping and fatigue

Stress can make it hard to fall asleep or stay asleep. MedlinePlus lists trouble sleeping among signs of long-term stress, and poor sleep often leaves people exhausted during the day.

5. Getting sick more often

MedlinePlus says long-term stress can mean getting sick more often than usual because it weakens the body's ability to fight germs. If you catch every cold going around during a hard season, that pattern is worth noting.

6. A racing heart or fast breathing

A faster pulse is part of the normal stress response. Some people feel their heart pounding, notice shallow breathing or feel short of breath when stressed. Slow breathing with a longer exhale can help, but new chest symptoms always need a medical check first.

7. Changes in appetite or weight

Some people stop feeling hungry under stress, while others eat more. MedlinePlus includes unwanted weight changes among severe symptoms that warrant getting help if they last two weeks or more.

How is stress different from anxiety?

Stress is usually a response to an outside pressure and eases when the pressure passes, while anxiety can continue even without a clear trigger. The NIMH fact sheet on stress and anxiety explains this distinction and notes that both can affect the body in similar ways.

• Stress: tied to a deadline, conflict, caregiving load or money worry; often improves when the situation changes.
• Anxiety: persistent worry or dread that lingers, sometimes about many things at once.
• Overlap: both can cause headaches, muscle tension, stomach trouble and poor sleep.

This matters because the right next step differs. Stress symptoms in the body often respond to changes in workload, sleep and routine. Anxiety that persists may need therapy, and sometimes medication, to settle. NIMH notes that therapy and medication are the main treatments for anxiety disorders.

Example (hypothetical): someone whose stomachaches stop when a major work project ends was likely dealing with stress. Someone whose stomachaches and worry continue for months after the project ends may benefit from an anxiety evaluation.

Which symptoms need a medical check first?

Any new, severe or worsening physical symptom should be checked by a medical provider before you assume stress is the cause. Chest symptoms are the most important example.

The Centers for Disease Control and Prevention (CDC) lists chest pain or discomfort, feeling weak, light-headed or faint, pain in the jaw, neck, back, arm or shoulder, and shortness of breath as major heart attack symptoms, and says to call 911 immediately.

Also see a provider promptly for blood in stool or vomit, unexplained weight loss, a severe or sudden headache, fever, or symptoms that wake you from sleep. Ruling out medical causes is not a waste of time; it lets you work on stress with confidence.

Why does long-term stress matter for your health?

Long-term stress matters because it may contribute to serious health problems over time. MedlinePlus says chronic stress may play a part in developing depression, anxiety, heart disease, high blood pressure and diabetes.

The American Psychological Association (APA) notes that lasting work stress can contribute to problems such as depression, obesity and heart disease, and suggests tracking your stressors for a week or two to see patterns.

The goal is not to remove all stress, which is impossible, but to give the body regular chances to recover. Noticing stress symptoms in the body early, before they become constant, makes that recovery easier.

How can you ease stress symptoms? A step-by-step approach

You can ease stress symptoms by finding the main stressors, building recovery into each day and getting support when needed. Start small and add steps as they become habits.

1. Track symptoms and stressors for one to two weeks: what you felt, when and what was going on.
2. Protect sleep with a regular bed and wake time.
3. Move your body most days. The CDC says physical activity can help you feel better, sleep better and reduce the risk of depression and anxiety.
4. Practice a relaxation skill daily, such as slow breathing or muscle relaxation.
5. Cut back on caffeine, which MedlinePlus advises limiting.
6. Sort tasks into what must happen now and what can wait.
7. Ask for support from family, friends or a professional.

What should you tell your doctor? A checklist

Telling your doctor about both the physical symptoms and the stress around them leads to a more complete evaluation. Bring notes on:

• which symptoms you have, when they started and how often they happen
• what makes them better or worse
• major stressors at home, work or school
• sleep, caffeine, alcohol and exercise habits
• current medicines and supplements
• mood changes, worry or loss of interest

You might say: "I've had headaches and stomach problems most days for a month. Work has been very stressful. Could these be connected, and what should we check?"

When should you get help sooner? Red flags

Get help sooner if stress symptoms are severe, long-lasting or affecting safety. The National Institute of Mental Health (NIMH) advises seeking help when symptoms interfere with daily life, cause avoidance or seem always present.

• thoughts of suicide or feeling you cannot cope
• using alcohol or drugs more than usual to manage stress
• panic attacks or constant worry
• symptoms lasting two weeks or more despite self-care

Where can Texans find help with stress?

Texans can start with a primary care provider for a physical check and then add mental health support if stress is a major factor. For help finding low-cost clinics or counseling, 2-1-1 Texas can be reached by dialing 2-1-1 or 877-541-7905, with chat in English and Spanish.

Telehealth can help people with long commutes or busy schedules fit care into the week, whether they live in Dallas–Fort Worth or a rural county.

Getting support in Texas

If your body keeps sending stress signals, therapy can help you find the causes and build skills to recover. Related reading: six physical signs of stress, anxiety and digestive issues and mental exhaustion signs and recovery.

Lyte Psychiatry offers therapy, psychiatric evaluation and medication management in Texas. In-person visits are available at Lyte Psychiatry's clinic in Pantego, in the Dallas–Fort Worth area. Lyte Psychiatry offers telehealth visits to patients who are physically located in Texas at the time of the visit. All Lyte Psychiatry services are available in Spanish.

Most new patients are seen within 1–2 business days. Weekend appointments are limited. Availability, insurance and clinician fit require confirmation. Learn more about therapy and anxiety care at Lyte Psychiatry.

Lyte Psychiatry is an outpatient practice. It does not provide inpatient care, crisis or after-hours coverage, medically supervised detox, or intensive outpatient or partial hospitalization programs.

If you are in a mental-health crisis in the United States, call or text 988. Call 911 for immediate danger.

Educational information, not a diagnosis or individual treatment plan.