PTSD: Symptoms, Causes, and Trauma-Focused Therapy

What is Post-Traumatic Stress Disorder (PTSD)?

Post-Traumatic Stress Disorder (PTSD) is a recognized DSM-5 trauma- and stressor-related disorder that can develop after exposure to a traumatic event — assault, serious accident, sudden or violent loss, medical trauma, childhood abuse, witnessing violence, or repeated occupational exposure. PTSD has a U.S. lifetime prevalence near 6.8% (NIMH).

If something happened that you've been carrying for months or years — if you have nightmares, flashbacks, avoidance, or feel constantly "on" — you are not alone, and PTSD is highly treatable.

This guide explains the four PTSD symptom clusters, how it differs from acute stress, what evidence-based trauma therapies actually help, and how to know when it's time to seek professional support.

Crisis resources: If you are in crisis, call or text 988 (Suicide & Crisis Lifeline). For immediate danger, call 911 or go to your nearest emergency room.

PTSD Is Not Just for Combat Veterans

A common misconception is that PTSD only develops after military combat. PTSD can develop in anyone after exposure to actual or threatened death, serious injury, or sexual violence. This includes:

• Physical or sexual assault
• Serious accidents (car crashes, workplace injuries)
• Sudden or violent loss of a loved one
• Medical trauma (ICU stay, life-threatening illness, traumatic birth)
• Childhood abuse or neglect
• Witnessing violence
• Learning of violent harm to a close family member
• Repeated occupational exposure (first responders, healthcare workers)

Prefer to listen? This article is also a podcast episode on the MentalSpace Therapy podcast. Subscribe on Apple Podcasts / Spotify / your favorite platform.

The Four PTSD Symptom Clusters

The DSM-5 defines PTSD by four symptom clusters lasting more than 1 month and causing significant distress or impairment:

1. Intrusion Symptoms

• Recurrent intrusive memories of the trauma
• Recurrent distressing dreams
• Dissociative reactions or flashbacks
• Intense psychological distress at trauma cues
• Marked physiological reactions to trauma cues

2. Avoidance

• Persistent avoidance of trauma-related thoughts, feelings, or external reminders (people, places, conversations, activities, situations)

3. Negative Alterations in Cognition and Mood

• Inability to remember key features of the trauma
• Persistent and exaggerated negative beliefs about oneself or the world ("I am bad," "the world is dangerous")
• Distorted blame of self or others
• Persistent negative emotional state (fear, horror, anger, guilt, shame)
• Markedly diminished interest in activities
• Feelings of detachment or estrangement
• Persistent inability to experience positive emotions

4. Marked Alterations in Arousal and Reactivity

• Irritable behavior or angry outbursts
• Reckless or self-destructive behavior
• Hypervigilance — always "on," scanning for threats
• Exaggerated startle response
• Concentration problems
• Sleep disturbance

Who Develops PTSD?

Not everyone exposed to trauma develops PTSD. Risk factors include:

• Trauma severity and duration
• Repeated exposure (especially interpersonal)
• Lack of social support after the event
• Pre-existing mental health conditions
• Childhood trauma as a vulnerability

Women are diagnosed at roughly twice the rate of men. Specific populations have markedly elevated rates: combat veterans (10–20% by conflict era), first responders, sexual assault survivors (about 50% develop PTSD), and refugees (NIMH, 2023).

Evidence-Based Treatments for PTSD

PTSD is highly treatable when matched to evidence-based protocols. The treatments with the strongest research base include:

Trauma-Focused CBT (TF-CBT)

TF-CBT integrates cognitive-behavioral techniques with a trauma-specific focus. It's well-researched and considered first-line.

Cognitive Processing Therapy (CPT)

CPT is a 12-session VA-recommended protocol that focuses on "stuck points" — the trauma-related beliefs that maintain symptoms. CPT has strong evidence and is widely used in trauma treatment.

Prolonged Exposure (PE)

PE is also VA-recommended. It uses in-vivo exposure (gradually facing avoided situations) and imaginal exposure (revisiting the trauma memory in a safe therapeutic context) to reduce avoidance and re-experiencing.

Eye Movement Desensitization and Reprocessing (EMDR)

EMDR uses bilateral stimulation (eye movements, taps, or tones) while the client briefly recalls the traumatic memory. It's widely used and well-supported by research.

Pharmacotherapy

SSRIs (sertraline, paroxetine — both FDA-approved for PTSD) and SNRIs (venlafaxine) have moderate efficacy. Prazosin can help PTSD-related nightmares. Benzodiazepines should generally be avoided — they can worsen PTSD outcomes.

We dove deeper into this on our YouTube channel. Watch the full episode — about 10-15 minutes — for the discussion, examples, and Q&A that didn't fit in this article.

What Trauma Therapy Looks Like at CHC

At Coping & Healing Counseling, we offer trauma-focused therapy via teletherapy across all 159 Georgia counties. Our team includes EMDR-trained and CPT-trained therapists.

What to expect:

1. Comprehensive trauma-informed intake with safety screening
2. PCL-5 baseline to measure PTSD symptoms
3. Stabilization phase — building coping skills before trauma processing
4. Trauma processing with EMDR, CPT, or PE protocols
5. Coordination with prescribers when medication is part of the plan

Medicaid is a $0 copay; most major commercial plans are in-network.

Practical Steps You Can Take This Week

• Grounding techniques — when triggered, name 5 things you see, 4 you can touch, 3 you hear, 2 you smell, 1 you taste
• Sleep hygiene — consistent bedtime, no alcohol before bed (it disrupts REM)
• Move your body — even a 10-minute walk lowers physiological arousal
• One trusted person — tell one person what you're carrying
• Reach out for trauma-focused evaluation — generalized therapy is often less effective for PTSD than trauma-specific protocols

Frequently Asked Questions

Can PTSD be cured?

Many people achieve significant remission of PTSD with evidence-based trauma therapy. "Cure" is a strong word in mental health, but PTSD is highly treatable. Most clients see meaningful improvement in 8 to 16 sessions of TF-CBT, CPT, or EMDR.

Is PTSD the same as Complex PTSD?

No. Complex PTSD (proposed in ICD-11) describes additional symptoms — disturbances in self-organization, emotion dysregulation, relationship difficulties — typically following chronic interpersonal trauma. Treatment overlaps but often takes longer.

What's the difference between PTSD and Acute Stress Disorder?

Acute Stress Disorder (ASD) has similar symptoms but lasts 3 days to 1 month after the trauma. Many cases resolve before PTSD criteria can be met. ASD is treated similarly with trauma-focused brief intervention.

How long does PTSD treatment take?

Most evidence-based protocols (CPT, PE, EMDR) run 8 to 16 sessions. Complex trauma may benefit from longer treatment. The frequency is typically weekly.

Do I need to relive my trauma to heal?

Not in a destabilizing way. Trauma-focused therapies use careful, paced exposure to traumatic material in a safe therapeutic context. Skilled therapists titrate the work to your window of tolerance.

What if I can't afford therapy?

CHC accepts Georgia Medicaid ($0 copay) and most major commercial plans (Aetna, Cigna, BCBS, UHC, Humana). We also offer sliding-scale options. The VA covers PTSD treatment for eligible veterans.

When to Seek Professional Help

If you've been carrying the effects of a traumatic event — flashbacks, nightmares, avoidance, hyperarousal, or numbness — for more than a month, please reach out. PTSD is among the most treatable mental health conditions when matched to trauma-specific care.

CHC offers trauma therapy and EMDR therapy via online therapy across Georgia, with PCL-5 symptom tracking and EMDR-trained clinicians. Visit chctherapy.com or call (404) 832-0102 to start.

For related reading: PTSD Recovery, EMDR Therapy, Childhood Trauma Effects in Adults.

Crisis resources: 988 Suicide & Crisis Lifeline · Georgia Crisis & Access Line: 1-800-715-4225 · Emergency: 911. For veterans: Veterans Crisis Line — call 988 then press 1.

References

• National Institute of Mental Health. "Post-Traumatic Stress Disorder (PTSD)." nimh.nih.gov
• American Psychological Association. "Treatment of PTSD." apa.org
• U.S. Department of Veterans Affairs. "PTSD Treatment." ptsd.va.gov
• Substance Abuse and Mental Health Services Administration. "Trauma and Violence." samhsa.gov
• Mayo Clinic. "Post-Traumatic Stress Disorder." mayoclinic.org

Last updated: May 9, 2026.