Post-Traumatic Stress Disorder (PTSD) & Complex Trauma in New York City
When danger still feels near after the event has ended.
PTSD can develop after exposure to actual or threatened death, serious injury, or sexual violence and may involve intrusive memories, nightmares, avoidance, changes in mood or thinking, heightened alertness, sleep disruption, and impairment. Complex trauma is closely related to personality difficulties, and describes repeated or interpersonal trauma and its broader effects on development, identity, emotional regulation, relationships, safety, and functioning. The Sheppe Group provides careful evaluation, medication consultation, trauma-informed psychotherapy, and coordinated treatment planning.
Trauma can continue after the event is over.
Many people experience distress after trauma, but not every trauma response becomes PTSD. Symptoms may improve naturally with time and support. PTSD is considered when a specific pattern of symptoms persists, causes significant distress, or interferes with relationships, work, school, sleep, health, safety, or daily functioning.
PTSD may involve reliving the event through memories, nightmares, or flashbacks; avoiding reminders; feeling detached, ashamed, guilty, hopeless, or unable to experience positive emotion; and remaining unusually alert, irritable, reactive, or unable to sleep. The person may feel as though the threat is still present even when they intellectually understand that it has ended.
The term complex trauma is closely related to personality and is often used when exposure was repeated, interpersonal, developmentally disruptive, or difficult to escape. Its effects may extend beyond classic PTSD symptoms into identity, trust, self-esteem, emotional regulation, dissociation, relationships, bodily experience, and the ability to feel safe.
PTSD can affect several connected systems.
Trauma responses involve more than memory. The nervous system, attention, beliefs, emotions, relationships, sleep, bodily experience, and sense of safety can all become organized around detecting or avoiding danger.
The past keeps entering the present
Intrusive memories, nightmares, flashbacks, emotional distress, or physical reactions may occur around reminders. Avoidance can include places, people, conversations, sensations, memories, emotions, media, intimacy, sleep, or situations associated with vulnerability.
The meaning of the event expands
Trauma may contribute to shame, guilt, blame, hopelessness, mistrust, emotional numbing, loss of interest, detachment, difficulty remembering parts of the event, or beliefs that the self, other people, or the world are permanently unsafe.
The body remains prepared for danger
Hypervigilance, startle, irritability, anger, sleep disruption, concentration problems, impulsivity, dissociation, shutdown, or difficulty regulating emotion may persist. Complex trauma can also affect identity, boundaries, attachment, and the ability to use relationships for safety.
Symptoms reach beyond distressing memories.
Trauma-related symptoms can appear emotionally, cognitively, physically, behaviorally, and relationally. Evaluation considers the full pattern rather than assuming that every symptom after trauma is caused by PTSD.
Possible PTSD symptoms
Possible complex-trauma effects
The diagnosis depends on pattern, timing, and context.
Trauma history matters, but diagnosis also depends on the symptom pattern, onset, duration, triggers, functioning, safety, medical factors, substance use, development, and whether another condition better explains part of the presentation.
What happened and when
The type, timing, duration, repetition, interpersonal context, developmental stage, ongoing threat, losses, injuries, and whether the person directly experienced, witnessed, learned about, or repeatedly encountered traumatic events.
Intrusion, avoidance, mood, and arousal
Memories, nightmares, flashbacks, avoidance, beliefs, guilt, emotional numbing, detachment, vigilance, startle, anger, sleep, concentration, risky behavior, duration, distress, and impairment.
Disconnection and emotional control
Depersonalization, derealization, memory gaps, shutdown, emotional flooding, bodily disconnection, identity disturbance, self-harm, impulsivity, and how the person returns to a manageable state.
Other possible explanations
Personality difficulties, depression, bipolar-spectrum symptoms, anxiety, panic, OCD, ADHD, personality functioning, psychosis, substance use, sleep disorders, traumatic brain injury, chronic pain, medical illness, grief, and adjustment reactions may overlap.
Current risk and daily life
Suicidal thinking, self-harm, aggression, ongoing abuse or danger, substance use, eating, sleep, work, school, parenting, relationships, housing, legal concerns, and the appropriate level of care.
Readiness, fit, and prior response
Previous trauma-focused therapy, supportive psychotherapy, medication, hospitalization, programs, treatment ruptures, avoidance, dissociation, family involvement, strengths, goals, and whether the current treatment structure feels usable.
Trauma treatment needs a coordinated plan.
Trauma-focused psychotherapies have the strongest evidence for PTSD. Complex presentations may also require medication consultation, attention to dissociation and safety, developmental or personality formulation, family work, and coordination across providers without losing the core trauma treatment target.
Trauma-focused treatment
Prolonged Exposure, Cognitive Processing Therapy, and EMDR are among the most strongly recommended trauma-focused psychotherapies for PTSD. Treatment selection should reflect age, goals, readiness, dissociation, safety, comorbidity, prior response, and access to an appropriately trained clinician.
Review PTSD Treatment Options From the VA →Medication consultation and monitoring
Certain antidepressant medications have evidence for PTSD symptoms. Psychiatric care may review diagnosis, medical history, prior response, side effects, interactions, sleep, mood, anxiety, substance use, pain, attention, and whether medication supports participation in psychotherapy.
Explore Integrated Psychiatry & Psychotherapy →Address the broader clinical picture
The Sheppe Group may provide evaluation, trauma-informed psychotherapy, personality assessment, medication consultation, family guidance, and coordination with a specialized trauma-focused therapist. The plan can also address identity, relationships, emotion regulation, development, and treatment barriers.
Explore Complex Clinical Evaluation →Partial improvement may mean the treatment target is still incomplete.
Supportive care, medication, coping skills, insight, or stabilization may reduce distress without fully changing trauma-related avoidance, beliefs, re-experiencing, arousal, dissociation, or relational patterns. A review can clarify whether trauma-focused treatment is missing, poorly timed, insufficiently coordinated, or being disrupted by another condition or level-of-care need.
You do not need to disclose every detail of a traumatic experience before asking for help. A consultation can begin with the current symptoms, safety, functioning, prior treatment, medication questions, and what feels hardest to manage now.
How The Sheppe
Group approaches
trauma complexity.
The practice brings psychiatric and psychological perspectives to trauma history, PTSD symptoms, dissociation, development, personality functioning, medication, safety, family context, treatment readiness, and coordination with specialized trauma-focused care.
Alexander H. Sheppe, MD, FAPA, DFAACAP
Dr. Sheppe provides complex clinical evaluation, psychodynamic psychotherapy, psychoanalysis, TFP, medication consultation, family consultation, and coordinated treatment planning for adolescents, emerging adults, and adults with complex or overlapping presentations.
Aliza Spruch-Feiner, PhD
Dr. Spruch-Feiner provides assessment, formulation, and integrative, psychodynamic psychotherapy for PTSD and complex trauma.
The Sheppe Group Testimonials
“His guidance is much appreciated.”
MM · Zocdoc review · Read source“Very helpful! Great experience!”
Amy A. · Zocdoc review · Read source“His responses to my questions were so thorough, accurate, and reassuring…”
NS · Zocdoc review · Read source“Dr. Sheppe is honest and down-to-earth…”
RM · Zocdoc review · Read source“He is clear, coherent, and thorough.”
CB · Zocdoc review · Read source“Warm and comprehensive consult.”
YH · Healthgrades review · Read source“He was really patient with me and was so thorough.”
TP · Healthgrades review · Read source“His guidance is much appreciated.”
MM · Zocdoc review · Read source“Very helpful! Great experience!”
Amy A. · Zocdoc review · Read source“His responses to my questions were so thorough, accurate, and reassuring…”
NS · Zocdoc review · Read source“Dr. Sheppe is honest and down-to-earth…”
RM · Zocdoc review · Read source“He is clear, coherent, and thorough.”
CB · Zocdoc review · Read source“Warm and comprehensive consult.”
YH · Healthgrades review · Read source“He was really patient with me and was so thorough.”
TP · Healthgrades review · Read sourcePTSD and trauma care in Midtown Manhattan, near Grand Central.
The Sheppe Group sees patients at 122 East 42nd Street, 32nd Floor in New York, NY 10168, near Grand Central. In-person psychiatric evaluation, trauma-informed psychotherapy, medication consultation, personality assessment, family consultation, and coordinated care may be part of treatment, with telehealth considered when clinically appropriate and legally permitted.
122 East 42nd Street, 32nd Floor
New York, NY 10168
(646) 859-8585
Midtown Manhattan near Grand Central
Psychiatric evaluation, trauma-informed psychotherapy, medication consultation, personality assessment, family work, and coordinated treatment.
Telehealth for New York and Other Licensed States
Telehealth may be available for patients located in New York, New Jersey, Connecticut, Florida, and California, depending on clinical need, licensure, privacy, safety, current location, treatment structure, and whether remote care is the right setting.
Common questions about evaluation and treatment.
These answers provide general information. A consultation is needed to evaluate an individual trauma history, diagnosis, safety concern, medication question, treatment readiness, family role, or appropriate level of care.
Further reading from national trauma and mental-health organizations.
What is post-traumatic stress disorder (PTSD)?
PTSD is a psychiatric disorder that can develop after exposure to actual or threatened death, serious injury, or sexual violence. It involves a defined pattern of intrusion symptoms, avoidance, changes in mood or thinking, and heightened arousal or reactivity that persists and causes significant distress or impairment.
Does everyone who experiences trauma develop PTSD?
No. Many people experience temporary distress after trauma and recover with time and support. PTSD is considered when symptoms persist, fit the required clinical pattern, and interfere with functioning. Trauma can also contribute to depression, anxiety, grief, substance use, sleep problems, pain, or other difficulties without meeting criteria for PTSD.
What is complex trauma?
Complex trauma is closely related to personality difficulties and describes exposure to multiple or repeated traumatic events, often interpersonal and difficult to escape, together with wide-ranging effects on development and functioning. These effects may involve PTSD symptoms, dissociation, identity, self-esteem, emotion regulation, relationships, trust, safety, and bodily experience. The term is descriptive and does not automatically establish one diagnosis.
How is PTSD evaluated?
Evaluation considers the trauma exposure, intrusion, avoidance, mood and thinking changes, arousal and reactivity, duration, distress, impairment, dissociation, safety, development, medical factors, substance use, and related conditions. The person does not need to provide every detail of the trauma immediately for an initial assessment to begin.
What psychotherapies are effective for PTSD?
Trauma-focused psychotherapies have the strongest evidence. Prolonged Exposure, Cognitive Processing Therapy, and Eye Movement Desensitization and Reprocessing (EMDR) are among the most strongly recommended treatments for adults with PTSD. Treatment selection should consider age, readiness, safety, dissociation, goals, prior response, and access to an appropriately trained clinician.
Are medications used to treat PTSD?
Yes. Certain antidepressant medications have evidence for PTSD symptoms. A psychiatric evaluation should consider diagnosis, medical history, age, prior response, side effects, interactions, sleep, mood, anxiety, substance use, pain, and whether medication supports participation in psychotherapy. Medication should not automatically replace an indicated trauma-focused treatment.
Can adolescents, families, or existing clinicians be involved in treatment?
Yes, when involvement is clinically useful and appropriate permission is in place. Adolescents may need developmentally appropriate trauma treatment and family support. Families can help with safety, routines, communication, and reducing avoidance, while existing therapists, psychiatrists, schools, or programs may coordinate around one treatment plan.
Ready to take the next step?
A consultation can help determine whether the right starting point is psychiatric evaluation, trauma-informed psychotherapy, medication review, specialized trauma-focused treatment, personality assessment, family consultation, or coordination with an existing treatment team.
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