IV Therapy for PTSD
IV Therapy for PTSD
IV therapy is a physician-directed treatment that may be considered for adults living with Post-Traumatic Stress Disorder (PTSD), particularly when standard therapies have not provided sufficient relief.
Ketamine has been authorized in Canada as an anesthetic medication for many years. Its use in mental health conditions such as PTSD involves lower, sub-anesthetic doses administered in a monitored medical setting.

What Is PTSD?
Post-Traumatic Stress Disorder is a mental health condition that may develop after exposure to a traumatic event. Symptoms may include:
- Intrusive memories or flashbacks
- Nightmares
- Hypervigilance or exaggerated startle response
- Avoidance of trauma reminders
- Mood changes, anxiety, or emotional numbness
Standard treatments typically include trauma-focused psychotherapy and/or medication.

Who May Be Considered for Treatment
IV ketamine therapy may be considered for adults with:
- A confirmed diagnosis of PTSD
- Persistent symptoms despite appropriate psychotherapy
- Inadequate response to standard medication trials
Treatment eligibility is determined only after a comprehensive medical and psychiatric assessment.
IV ketamine is not considered a first-line treatment for PTSD.

Regulatory Information
In Canada, ketamine is approved for use as an anesthetic. The use of IV ketamine for PTSD is considered an off-label use, meaning it is prescribed based on clinical judgment and available scientific evidence but is not specifically authorized by Health Canada for this indication.
Patients are informed of this status as part of the consent process.
How IV therapy May Work in PTSD
Ketamine acts on the brain’s glutamate system, which plays a role in learning, memory, and emotional processing.
Research suggests ketamine may:
- Influence neural pathways involved in fear and stress responses
- Support neuroplasticity (the brain’s ability to adapt and form new connections)
- Potentially reduce intrusive symptoms in some individuals
Some patients report symptom reduction within days. However:
- Not all individuals respond
- Symptom relief may be temporary
- Ongoing care and monitoring are required
What to Expect During Treatment
1. Comprehensive Assessment
Before treatment, a physician will review:
- Trauma history
- Current symptoms
- Psychiatric and medical history
- Current medications
- Potential risks and contraindications
If appropriate, an individualized treatment plan will be developed.

2. The Infusion Appointment
- Ketamine is administered intravenously over approximately 40 minutes
- Blood pressure, heart rate, and oxygen levels are monitored
- A qualified healthcare professional remains present
- Patients are observed afterward until medically stable
Some individuals experience temporary effects such as:
- Altered perception
- Feeling detached or “floaty”
- Emotional shifts during the infusion
These effects typically resolve shortly after treatment.
Patients must arrange transportation home and should not drive or operate machinery until the following day.

3. Treatment Course
An initial series may include multiple infusions over several weeks. The number and frequency of treatments are based on clinical response and physician assessment.
Maintenance treatments, if appropriate, are individualized.

Risks and Side Effects
When administered in a controlled setting with proper screening, IV ketamine is generally well tolerated. Potential side effects may include:
Common short-term effects:
- Dizziness
- Nausea
- Temporary dissociation
- Elevated blood pressure
- Fatigue after treatment
Less common but possible risks:
- Psychological distress during treatment
- Cardiovascular effects
- Potential misuse risk outside of medical supervision
Long-term safety data for repeated use in PTSD continue to be studied.
Ketamine may not be appropriate for individuals with:
- Uncontrolled hypertension
- Certain heart conditions
- Active psychosis
- Untreated substance use disorders
- Pregnancy
All risks, benefits, and alternative treatments are discussed prior to proceeding.
Coverage and Fees
IV ketamine therapy for PTSD is not covered by OHIP (Ontario Health Insurance Plan).
As this treatment is not publicly funded for this indication, it is typically provided on a private, fee-for-service basis. Patients are responsible for associated costs unless eligible for private insurance reimbursement.
Patients are encouraged to confirm coverage details with their insurer.

Important Information
IV ketamine therapy is not a cure for PTSD. It may reduce symptoms in some individuals, and outcomes vary.
Treatment should be part of a comprehensive care plan, which may include trauma-focused psychotherapy, psychiatric follow-up, and other evidence-based supports.
If you are experiencing a mental health crisis or thoughts of self-harm, call 911 or attend your nearest emergency department immediately.
