Ketamine Therapy for PTSD

Post-traumatic stress disorder (PTSD) affects approximately 6% of the U.S. population at some point in their lives, causing intrusive memories, hyperarousal, and emotional numbness that can severely disrupt daily functioning. While first-line treatments such as SSRIs and trauma-focused psychotherapy help many people, a significant number of patients do not respond adequately. Emerging evidence suggests that ketamine may offer a novel approach for individuals with PTSD, particularly those who have not found relief through conventional treatments.

How ketamine may help with PTSD

  • Rapid symptom relief — ketamine may reduce intrusive thoughts and hyperarousal within hours rather than the weeks typical of traditional antidepressants
  • Neuroplasticity support — evidence suggests ketamine promotes the formation of new neural connections, which may help the brain process traumatic memories differently
  • Glutamate modulation — by acting on NMDA receptors, ketamine may help restore balance in brain circuits disrupted by chronic stress and trauma
  • Enhanced therapy engagement — preliminary findings indicate that symptom reduction from ketamine may allow patients to engage more effectively in trauma-focused psychotherapy

What the research shows

A randomized controlled trial by Feder et al. (2014), published in JAMA Psychiatry, found that a single intravenous ketamine infusion produced a rapid and significant reduction in PTSD symptom severity compared to an active placebo (midazolam) in patients with chronic PTSD. A follow-up study by the same group (Feder et al., 2021) examined repeated ketamine infusions and reported that two weeks of ketamine treatment led to greater improvement in PTSD symptoms compared to midazolam, with effects observed as early as 24 hours after the first infusion.

While these results are encouraging, it is important to note that research on ketamine for PTSD is still evolving. Most studies have been relatively small, and long-term outcomes require further investigation. Ketamine is not FDA-approved for PTSD and is used off-label when prescribed for this condition. For a deeper review of the clinical evidence, see our article on ketamine and PTSD clinical evidence.

How treatment works at Isha Health

1. Consultation

Schedule a 60-minute telehealth evaluation with a physician who specializes in ketamine-assisted therapy. We assess your PTSD symptoms, treatment history, and overall suitability.

2. Personalized protocol

If ketamine therapy is appropriate for you, your physician creates a tailored treatment plan. Medication is prescribed and delivered to your home.

3. Ongoing support

Complete at-home sessions with continued clinical follow-up. Your physician monitors your response and adjusts your protocol as needed.

Frequently asked questions

Can ketamine help with PTSD?

Preliminary research suggests that ketamine may help reduce PTSD symptoms, particularly intrusive thoughts and hyperarousal. Several clinical studies have shown rapid improvement in PTSD symptom scores following ketamine administration, though more large-scale research is needed.

How quickly does ketamine work for PTSD symptoms?

Some studies have reported improvement in PTSD symptoms within 24 hours of ketamine administration. However, individual responses vary, and a full course of treatment is typically recommended for sustained benefit.

Is ketamine FDA-approved for PTSD?

Ketamine is not FDA-approved specifically for PTSD. It is FDA-approved as an anesthetic and is prescribed off-label by licensed physicians for PTSD and other mental health conditions based on emerging clinical evidence.

What does ketamine therapy for PTSD involve at Isha Health?

Treatment begins with a 60-minute telehealth consultation with a physician who evaluates your symptoms and history. If appropriate, a personalized ketamine protocol is prescribed and medication is delivered to your home. Ongoing follow-up appointments monitor your progress.

Ready to explore ketamine therapy for PTSD?

Appointments often available within 24 hours.

Check Appointment Availability