How Trauma Shows Up in the Body

Your body keeps the score regarding trauma - and your body can brace for it long after you know you're safe.

Jen Valenzuela-Sliger

3/4/20262 min read

Creepy blurred photo of a person's face and a furry hood
Creepy blurred photo of a person's face and a furry hood

How Trauma Shows Up in the Body (Even When You Think You’re “Fine”)

When people hear the word trauma, they often think of something dramatic or catastrophic.

But trauma isn’t defined by the event alone — it’s defined by how your nervous system experienced it.

And your body?
Your body keeps the score.

Psychiatrist Bessel van der Kolk, author of The Body Keeps the Score, helped bring mainstream awareness to something therapists have long observed: trauma lives in the body, not just in memory.

You may “know” you’re safe now.
But your body may still be bracing.

Let’s talk about how that shows up.

1. Chronic Tension and Pain

Unprocessed trauma often appears as:

  • Tight shoulders or jaw

  • Frequent headaches

  • Neck and back pain

  • Clenched fists

  • Stomach aches

This isn’t random.

When your nervous system detects danger, it activates a stress response — muscles tighten, breathing changes, digestion slows. If the threat never feels fully resolved, your body can stay in that activated state.

Over time, tension becomes your baseline.

Many clients tell me, “I didn’t even realize I was clenching until you pointed it out.”

That’s how automatic it can be.

2. Digestive Issues and Gut Sensitivity

The gut and brain are deeply connected. Trauma can contribute to:

  • Nausea

  • Loss of appetite

  • Overeating

  • IBS-like symptoms

  • A “pit in your stomach” feeling

When you live in survival mode, your body prioritizes protection over digestion.

For teens especially, stomach aches before school, social events, or conflict are often anxiety stored in the body — not just “drama” or avoidance.

3. Sleep Disruption

Even when someone feels exhausted, trauma can make rest feel unsafe.

Common patterns include:

  • Difficulty falling asleep

  • Waking at 3–4 a.m.

  • Vivid dreams or nightmares

  • Restless, light sleep

Your nervous system may still be scanning for danger.

It’s hard to deeply rest when your body thinks it’s on watch.

4. Startle Response and Hypervigilance

Does your heart race when someone calls your name unexpectedly?

Do you constantly scan rooms when you enter?

Do loud noises feel disproportionately intense?

That heightened startle reflex is your body trying to prevent future harm.

It’s protective.
But it’s also exhausting.

5. Numbness or Disconnection

Trauma doesn’t only show up as anxiety.

Sometimes it shows up as:

  • Feeling detached from your body

  • Going “blank” in conflict

  • Emotional numbness

  • Difficulty identifying feelings

  • Feeling like you’re watching your life instead of living it

This is a nervous system survival response too — often called freeze or shutdown.

If fight or flight don’t feel possible, the body conserves energy and disconnects.

6. Overreacting to Small Triggers

Have you ever reacted strongly to something minor and later thought:

“Why did that hit me so hard?”

Trauma wires the brain to associate current situations with past danger. Your body reacts first. Logic catches up later.

That doesn’t mean you’re “too sensitive.”

It means your body remembers.

Why This Matters

Understanding how trauma shows up physically helps reduce shame.

You’re not broken.
You’re adaptive.

Your body did exactly what it needed to do to survive.

The work of therapy isn’t to force you to “move on.” It’s to help your nervous system learn that the danger is over.

That might include:

  • Learning regulation skills

  • Breathwork and grounding

  • Trauma-informed cognitive work

  • EMDR or other body-based approaches

  • Building safe, connected relationships

Healing isn’t just cognitive insight.
It’s physiological safety.

Trauma Therapy in Colorado (for Teens and Adults)

If you’re in Colorado and noticing chronic anxiety, body tension, sleep disruption, or stress that feels stuck, trauma-informed therapy can help.

I work with teens and adults via secure telehealth across Colorado, integrating nervous system education, practical coping tools, and deeper trauma processing when appropriate.

Your body is not the enemy.

It’s been protecting you.

And it can learn something new.