Dissociative identity disorder (DID) is often shown in movies and TV as something scary or dramatic. Real life is very different. Most people with DID are quietly doing their best to get through each day while coping with gaps in memory, inner voices and the effects of early trauma. If you live with DID, think you might, or love someone who does, this article explains what the condition is and what dissociative identity disorder treatment actually involves. The most important message is that DID is treatable, and many people build stable, meaningful lives.
We'll also touch on other specified dissociative disorder (OSDD), a closely related condition that is more common than many people realize.
What is dissociation?
Dissociation is a break in how we normally connect our thoughts, feelings, memories, body and sense of self. Mild dissociation is common. Driving home and not remembering the trip, or getting lost in a daydream, are everyday examples.
For some people, dissociation begins as a way to survive overwhelming experiences, especially in childhood. When a young child can't escape danger, the mind may create distance from what is happening. This protects the child in the moment, but over time it can become an automatic response to stress.
What is dissociative identity disorder?
DID is a condition in which a person's sense of identity is divided into two or more distinct parts, often called alters, parts or self-states. Each part may have its own way of thinking, feeling and relating to the world. Some parts may hold memories or emotions that others don't have access to.
Common experiences with DID include:
gaps in memory for everyday events, important personal information or past trauma
finding things you don't remember buying or notes you don't remember writing
hearing inner voices or sensing other parts inside
feeling like your thoughts, feelings or actions aren't your own
sudden shifts in mood, skills, preferences or even handwriting
feeling detached from your body or your surroundings
losing time
Many people with DID also live with depression, anxiety, PTSD, self-harm or eating concerns. It is common for DID to go unrecognized for years, partly because it often looks like other conditions, and partly because hiding it has long been part of how the person copes.
What causes DID?
DID is strongly linked to severe, repeated trauma in early childhood, often combined with a lack of safe, comforting relationships. The parts that form are creative survival strategies. They are not a sign that someone is "broken."
What is OSDD?
Other specified dissociative disorder (OSDD) is a diagnosis for people who have significant dissociation that doesn't meet all the criteria for DID. For example, a person may have parts that feel quite separate but don't take full control, or may not have the same memory gaps. OSDD is just as real and just as deserving of care, and treatment follows similar principles.
Myths about DID
Myth: people with DID are dangerous. People with dissociative disorders are far more likely to be hurt by others than to hurt anyone.
Myth: DID is always obvious. Switches between parts are often subtle. Many people with DID seem quite ordinary to others.
Myth: DID isn't real. DID is a recognized diagnosis in both the DSM-5 and the World Health Organization's ICD-11.
Myth: the goal of therapy is to get rid of parts. Treatment aims for cooperation and connection between parts, not erasing them.We'll also touch on other specified dissociative disorder (OSDD), a closely related condition that is more common than many people realize.
What is dissociation?
Dissociation is a break in how we normally connect our thoughts, feelings, memories, body and sense of self. Mild dissociation is common. Driving home and not remembering the trip, or getting lost in a daydream, are everyday examples.
For some people, dissociation begins as a way to survive overwhelming experiences, especially in childhood. When a young child can't escape danger, the mind may create distance from what is happening. This protects the child in the moment, but over time it can become an automatic response to stress.
What is dissociative identity disorder?
DID is a condition in which a person's sense of identity is divided into two or more distinct parts, often called alters, parts or self-states. Each part may have its own way of thinking, feeling and relating to the world. Some parts may hold memories or emotions that others don't have access to.
Common experiences with DID include:
gaps in memory for everyday events, important personal information or past trauma
finding things you don't remember buying or notes you don't remember writing
hearing inner voices or sensing other parts inside
feeling like your thoughts, feelings or actions aren't your own
sudden shifts in mood, skills, preferences or even handwriting
feeling detached from your body or your surroundings
losing time
Many people with DID also live with depression, anxiety, PTSD, self-harm or eating concerns. It is common for DID to go unrecognized for years, partly because it often looks like other conditions, and partly because hiding it has long been part of how the person copes.
What causes DID?
DID is strongly linked to severe, repeated trauma in early childhood, often combined with a lack of safe, comforting relationships. The parts that form are creative survival strategies. They are not a sign that someone is "broken."
What is OSDD?
Other specified dissociative disorder (OSDD) is a diagnosis for people who have significant dissociation that doesn't meet all the criteria for DID. For example, a person may have parts that feel quite separate but don't take full control, or may not have the same memory gaps. OSDD is just as real and just as deserving of care, and treatment follows similar principles.
Myths about DID
Myth: people with DID are dangerous. People with dissociative disorders are far more likely to be hurt by others than to hurt anyone.
Myth: DID is always obvious. Switches between parts are often subtle. Many people with DID seem quite ordinary to others.
Myth: DID isn't real. DID is a recognized diagnosis in both the DSM-5 and the World Health Organization's ICD-11.
Myth: the goal of therapy is to get rid of parts. Treatment aims for cooperation and connection between parts, not erasing them.
How dissociative identity disorder treatment works
The main treatment for DID is long-term psychotherapy with a therapist who understands dissociation and trauma. There is no medication for DID itself, though a doctor may suggest medication for related symptoms like depression, anxiety or sleep problems.
Expert guidelines, such as those from the International Society for the Study of Trauma and Dissociation (ISSTD), describe treatment in three broad phases. These phases often overlap, and people move back and forth between them.
Phase 1: Safety and stabilization
This is often the longest and most important phase. The focus is on:
building trust with your therapist
reducing self-harm and crisis moments
learning grounding skills to stay present
understanding dissociation and your own system of parts
improving communication and cooperation between parts
building daily routines and supports
Skipping ahead to trauma memories before this foundation is in place can make things worse. A good therapist will go slowly.
Phase 2: Working with traumatic memories
When you feel stable enough, and only if you want to, therapy may turn to processing traumatic memories. This is done carefully, in small pieces, so you don't become overwhelmed. Some therapists use adapted forms of trauma therapy, such as EMDR, during this phase. These methods need to be changed for people with dissociation and should only be used by therapists trained to do so.
Phase 3: Integration and rebuilding life
In the final phase, the focus shifts to living fully in the present. For some people, this means their parts come together into a more unified sense of self. For others, it means parts continue to exist but work together smoothly. Both outcomes can lead to a good life. Therapy in this phase often focuses on relationships, work, goals and joy.
What helps in therapy
Research and clinical experience point to a few things that matter most:
A steady, trusting relationship with a therapist who believes you and doesn't judge any part of you.
Respect for all parts, including those that seem angry, young or protective.
A slow pace that keeps you within what you can handle.
Clear, predictable structure, like consistent session times and plans for between sessions.
Some approaches that work with "parts" in everyday ways, like Internal Family Systems (IFS), can be helpful in some cases, but DID usually needs a therapist with specific training in dissociation. Parts in IFS and alters in DID are not the same thing.
Tips for day-to-day coping
Alongside therapy, these can help:
Grounding. Use your senses: hold something cold, name objects in the room, notice your feet on the floor.
Keep a shared journal. Some people with DID use a notebook or app where different parts can write, which helps with memory gaps and inner communication.
Use reminders and calendars to track appointments and tasks.
Build a safety plan with your therapist for hard moments.
Be gentle with all parts of yourself. Every part developed for a reason.
For partners, friends and family
If someone you love has DID, it can help to learn about dissociation, stay calm and consistent, and avoid asking to "meet" parts out of curiosity. Treat each part with respect. And remember to take care of your own needs too. Counselling for yourself can help.
Getting started at Transformation Counselling
Some of our therapists work with dissociation, including DID and OSDD, within a trauma-informed approach. Our care team can help match you with the right person. Learn more on our trauma and PTSD counselling page. We offer sessions in person in Waterloo, Kitchener, Cambridge and Ottawa, and online across Ontario. No referral is needed, and evening and weekend appointments are available.
Sessions with our therapists are $130 to $200, and there is a one-time $50 setup fee. Many workplace benefit plans cover therapy.
If you are in crisis or thinking about suicide, call or text 9-8-8 at any time. In Waterloo Region you can also call Here 24/7 at 1-844-437-3247. In an emergency, call 911.
Frequently asked questions
How long does DID treatment take?
DID treatment is usually long term, often several years. Many people notice real improvements in safety and daily life well before therapy ends.
Can DID be cured?
Many people reach a point where their parts work together well or come together into a more unified sense of self. With good treatment, people with DID can live full, satisfying lives.
Who can diagnose DID?
A qualified professional with experience in dissociation, such as a psychologist or psychiatrist, can diagnose DID after a careful assessment.
Do I need a diagnosis to start therapy?
No. You can start therapy for memory gaps, feeling detached or trauma symptoms without a formal diagnosis.
Is online therapy okay for DID?
For many people, yes. Online sessions can feel safer and more comfortable at home. Your therapist will help you plan for grounding and safety during sessions.
Take the first step
Every part of you deserves care. Book a free 15-minute consultation and ask about therapists who work with dissociation. Or you can book an appointment directly.