Ketamine for PTSD: Does It Work and How Quickly Can It Help?

Post-traumatic stress disorder (PTSD) affects millions and often proves resistant to traditional treatments like antidepressants and psychotherapy. Learn how IV Ketamine Therapy may help address the root causes of PTSD and offer rapid symptom relief. The Stellate Ganglion Block may provide further synergy with Ketamine in providing rapid relief to the over-activation of fight-flight mode in patients with PTSD.

Ketamine for PTSD: Does It Work?

IV ketamine may help reduce PTSD symptoms in some patients, particularly when standard treatments have not been enough. In a randomized clinical trial, a single IV ketamine infusion produced significantly greater PTSD symptom improvement than an active control within 24 hours.

How Quickly Can Ketamine Help PTSD?

When ketamine works, improvement can occur rapidly, sometimes within a day. However, responses vary, benefits may not last, and the overall PTSD evidence remains mixed.

Is Ketamine FDA-Approved for PTSD?

While our doctors leverage emerging data and clinical experience using ketamine to relieve PTSD symptoms, neither IV ketamine nor Spravato (esketamine) are FDA-approved for PTSD treatment. Spravato is FDA-approved for treatment-resistant depression and ketamine for anesthesia. Its use for PTSD is off-label, and the VA does not recommend ketamine specifically for PTSD because the evidence remains limited and inconsistent.

Understanding PTSD

PTSD is characterized by persistent, intrusive memories, heightened arousal responses, and distorted cognition, impacting daily life and emotional well-being. Often, patients are in a chronic "survival mode" that causes disorganized and erratic thoughts. Unfortunately, these non-linear thoughts may be misinterpreted as attention deficit hyperactivity disorder (ADHD). Understanding the following concepts explains why IV Ketamine can be so powerful in relieving PTSD:

• Memory reconsolidation
• Fear extinction
• Cognitive rigidities and survival mode
• Comorbid conditions: depression and anxiety

Ketamine may Help Consolidate Traumatic Memories

Memory reconsolidation is the process of transforming unstable memories into stable, long-term memories. Traumatic memories may remain unconsolidated for years, and these memories can cause distressing flashbacks and intrusive thoughts. These flashbacks can then trigger hyperarousal and hypervigilance.

Ketamine has a powerful potential to support reconsolidation of these traumatic memories. This can allow traumatic memories to be "updated" with new, less distressing information or emotional context. This may be related to Ketamine's powerful ability to catalyze neuroplasticity.

IV Ketamine may Stimulate Fear Extinction

Fear extinction is the process where a person learns to stop feeling scared when they encounter something that used to trigger fear.

For people with PTSD, this can be a major hurdle. Ketamine Infusion Therapy can help with this by making it easier for the brain to form new, healthier pathways without this reflexive fear response. Forming these new neural connections is called neuroplasticity and may be a direct benefit of Ketamine therapy for PTSD. This means that ketamine's neuroplasticity can help people with PTSD respond more calmly to things that used to scare them.

Cognitive Rigidity from PTSD's Survival Mode

Cognitive rigidity refers to the difficulty in changing established thought patterns or beliefs.

Patients with PTSD may experience this as being "stuck" in ways of thinking that reinforce the trauma, such as hyper vigilance for danger or a pervasive sense of helplessness. This happens when we are in survival mode for extended periods of time. Unfortunately, this rigidity can make it challenging to adapt to new, safer relationships with traumatic experiences.

The neuroplasticity provided by Ketamine can help "soften" rigid neural patterns in the brain and body. This fosters cognitive flexibility.

Ketamine's Holistic Healing: Treating Co-existing Depression and Anxiety

Many people with PTSD also experience depression and anxiety, conditions that can make the symptoms of PTSD even more difficult to manage. Treating these comorbid conditions is essential for a holistic approach to managing PTSD. IV Ketamine is ideal because it is also highly effective in treating depression and anxiety.

How Ketamine + Neuroplasticity May Affect PTSD Symptoms

Ketamine is believed to help the brain form new connections more easily, a feature known as neuroplasticity. This could help in three ways for someone with PTSD.

1. It may make it easier to change how a person remembers a traumatic event, making the memory less distressing.
2. It can help the person unlearn automatic fear responses to certain triggers.
3. Induce cognitive flexibility.
4. Treat comorbid depression and anxiety

Stellate Ganglion Block (SGB) for PTSD: Synergy

The Stellate Ganglion Block (SGB) is a powerful approach to reducing fear and irritability from the fight-flight response. Patients with PTSD are predisposed to limbic system dysfunction. The SGB may calm the amygdala to reset the limbic system. The neuroplasticity provided by SGB complements the neuroplasticity of the IV Ketamine. Some patients at Clarus Health receive both IV Ketamine and SGB when clinically appropriate, although high-quality studies specifically evaluating the combination remain limited.

Start your IV Ketamine Journey to Heal PTSD

Contact Clarus Health for a free consultation to learn if IV Ketamine therapy or the Stellate Ganglion Block can help treat the root causes of your PTSD.