Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

PTSD and Trauma Symptoms

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In one line

·Trauma-focused CBT, EMDR, and prolonged exposure are the first-line treatments that work best.

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Normal physiology

·The healthy brain runs a three-part safety system: the amygdala (alarm bell) detects danger and triggers the fear response, the hippocampus (memory librarian) time-stamps events and files them as 'past,' and the prefrontal cortex (calm-down center) talks to the amygdala to turn off the alarm when the danger is over. Neurotransmitters like serotonin, GABA (the brain's main calming signal), and norepinephrine (the wake-up and alert chemical) keep this system balanced so you can react to real threats but relax when safe.

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What goes wrong

·When trauma is too intense or lasts too long, the hippocampus gets damaged by stress hormones (especially cortisol, the body's main stress chemical), so it cannot time-stamp the memory as 'past.' The amygdala gets overactive and keeps firing as if the danger is still happening. The prefrontal cortex weakens under chronic stress, so it loses its ability to calm the amygdala down. The result: the alarm never turns off, and old fear memories feel like they are happening right now.

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Hallmark signs

·Flashbacks or intrusive memories
·Nightmares or sleep problems
·Avoiding people, places, or things that remind you of the trauma
·Feeling numb, detached, or unable to enjoy things
·Being jumpy, easily startled, or always on edge
·Anger outbursts or irritability
·Trouble concentrating or remembering things
·Thoughts of hurting yourself or ending your life

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Red flags · escalate now

·Thoughts of suicide or plans to hurt yourself
·Severe dissociation (feeling completely disconnected from your body or reality)
·Psychotic symptoms like hearing voices or seeing things that are not there
·Inability to care for yourself (not eating, bathing, or getting out of bed)
·Violent behavior toward others

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Workup

·PTSD Checklist for DSM-5 (PCL-5) or Clinician-Administered PTSD Scale (CAPS-5)
·PHQ-9 (depression screen)
·GAD-7 (anxiety screen)
·Columbia-Suicide Severity Rating Scale (C-SSRS)
·Toxicology screen (urine drug test)
·Thyroid-stimulating hormone (TSH)

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Treatment

·Trauma-focused cognitive behavioral therapy (TF-CBT) or Eye Movement Desensitization and Reprocessing (EMDR)
·SSRI antidepressant — sertraline or paroxetine (FDA-approved for PTSD)
·Prazosin (an alpha-blocker) for nightmares
·Safety, housing stability, and regular therapy access
·Avoid benzodiazepines (like lorazepam or clonazepam) for PTSD
·Consider MDMA-assisted therapy in FDA-approved research settings if standard therapy fails

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NCLEX trap

·Never use benzos as first-line for PTSD. They quiet the amygdala (the brain's alarm center) short-term but teach the brain that danger is real and you cannot face it. Start with trauma-focused talk therapy (like CBT or EMDR) instead. If the person needs sleep, use prazosin (a medicine that blocks nightmares) or an SSRI like sertraline (a pill that steadies serotonin, the brain messenger that calms fear and lifts mood).
·PTSD is not weakness or choice. The trauma memory is literally stuck in the brain's filing system. The hippocampus (the part that files memories into 'past' storage) is broken, and the amygdala (the alarm center) stays on high alert. You need therapy like prolonged exposure or EMDR to help those two parts work together again. Willpower alone will not fix the broken circuit.
·Flashbacks in PTSD are real and involuntary. The amygdala genuinely makes the brain re-live the event as if it is happening now. Use the PCL-5 or CAPS-5 screening tool (short questionnaires that measure PTSD symptoms) to measure it. Believe the patient. If you do not, they will not trust treatment and may hurt themselves.
·In PTSD, you stabilize first. Make sure housing is safe, check for suicidal thoughts, and treat active substance use. Then you build the therapeutic relationship. Only after that do you start trauma-focused therapy. Jump to exposure too fast and you re-traumatize the person, flooding the amygdala all over again.
·PTSD is a whole-brain problem. Prazosin helps nightmares by blocking adrenaline (the stress hormone that wakes you up in panic), but it does not fix the broken fear circuit. You need trauma-focused CBT, EMDR, or prolonged exposure to heal the hippocampus and amygdala together. Prazosin is a helper, not a cure.
·PTSD has high suicide risk, especially if substance use or untreated depression is also present. Always make a written safety plan (who to call, where to go if thoughts get worse), list crisis numbers, and refer to trauma-specialized therapy. Do not let the person leave without a follow-up appointment already booked.

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