3 min read
Is Ketamine Addictive When Used for Depression?
Ketamine Clinics Los Angeles September 22, 2025

TL;DR:
- Ketamine may help with treatment-resistant depression by targeting the NMDA receptor and boosting brain plasticity.
- While recreational use carries high risks, medically supervised ketamine therapy has a low risk due to controlled dosing and oversight.
- Short-term side effects usually dissipate within a few hours after treatment and include nausea and fatigue; there are no known long-term risks.
- Trusted clinics ensure safety with thorough screening, informed consent, and controlled administration.
- Talk to a healthcare professional to see if ketamine therapy is right for you.
Ketamine therapy has shown remarkable promise for people struggling with treatment-resistant depression, offering hope when other options haven’t worked.
With its growing popularity, questions naturally come up, especially about safety and the risk of addiction. Is ketamine addictive when used for depression? What precautions are in place to keep it safe?
In this post, we’ll break down what you need to know about Ketamine Therapy, including its safety measures, potential side effects, and when it might be the right fit or not.
What is Ketamine and How Does it Work for Depression?
Ketamine was initially developed as an anesthetic and is still used in surgeries today. However, in lower doses, it has shown rapid and robust antidepressant effects. It works in hours to days, much faster than traditional antidepressants, which often take weeks to months to work.
Unlike typical antidepressants that target serotonin and norepinephrine, ketamine works differently. It primarily affects the NMDA receptor, a type of glutamate receptor involved in learning, memory, and brain plasticity. This interaction is believed to promote the growth of new brain connections, particularly in areas linked to mood regulation.
Ketamine seems to "reset" certain brain circuits that are not functioning properly in depression, helping the brain become more flexible and responsive. This unique mechanism is why it can work for people who have not found relief with other treatments, and why its effects are often felt so quickly. While research is ongoing, its role in boosting neuroplasticity remains a key focus.
Is Ketamine Addictive? Addressing the Concerns
Ketamine can be misused, especially in recreational settings where higher doses, frequent use, and lack of medical oversight increase the risk of abuse. Misuse can lead to tolerance and psychological dependence.
Research from the National Institute on Drug Abuse (NIDA) links excessive recreational ketamine abuse to negative consequences and increased tolerance.
Ketamine is very safe for depression under medical supervision. The risk of addiction is low when administered in a controlled setting. Here is why:
- Root of Administration (ROA): When abused, ketamine is often snorted as a powder. This produces an intense rush and affects receptors in the brain that can become more dependent. Gold standard clinical use involves an intravenous (IV) infusion, where the medicine is given gradually through a vein.
- Carefully Dosed: Medical ketamine treatments use much lower doses than recreational use.
- Infrequent Use: Treatments follow a structured schedule, reducing the chance of dependence.
- Medical Supervision: Doctors monitor patients closely, preventing misuse while managing any side effects.
The key difference is control. Recreational use involves higher doses, frequent use, and mixing with other substances, all of which raise the risk of addiction. In contrast, when used properly for depression, ketamine is considered safe with minimal addiction risk.
Ketamine Therapy Side Effects and Risks
Ketamine therapy shows promise for depression, and it is important to understand its potential side effects and risks. These can be divided into short-term effects during or after treatment and potential long-term considerations.
Short-Term Side Effects
Most ketamine side effects are temporary and manageable in a clinical setting. Common ones include:
- Increased blood pressure and heart rate
- Nausea
- Dizziness or lightheadedness
These effects typically fade shortly after treatment, with medical professionals on hand to manage any discomfort.
Long-Term Risks of Ketamine Therapy & Considerations
While ketamine is administered safely in medical settings, some risks should be considered:
- Potential for Misuse: The risk of addiction in therapy is low. Recreational use outside a clinic carries a higher risk. Especially for those with a history of substance abuse.
- Long-term Effects: Ketamine has been used since 1970. There are no known long-term side effects.
- Psychological Risks: Ketamine may not be suitable for individuals with a history of psychosis or certain mental health conditions.
Overall, current evidence suggests the risk is low, but potential Ketamine Therapy risks and side effects should be discussed with a healthcare professional to determine if it is the right option for you.
Safety Measures in Ketamine Clinics
Reputable ketamine clinics follow strict protocols to keep patients safe and manage potential risks. Here is how they do it:
- Thorough Screening: Before treatment, patients undergo a full medical and psychiatric evaluation to ensure ketamine is a safe option for them.
- Informed Consent: Patients receive clear information on benefits, risks, and side effects and can ask questions before deciding to proceed.
- Controlled Administration: Ketamine is given in precise doses, usually via IV, with continuous monitoring of vital signs to catch any issues early.
- Experienced Medical Staff: Physicians, advanced practice providers, nurses, and trained professionals oversee the process and are prepared to handle any reactions.
- Comfortable Setting: Clinics create a calming environment to help reduce anxiety and improve the treatment experience.
- Post-Treatment Monitoring: Patients are observed after treatment to ensure they are stable, with follow-ups to track progress and address concerns.
- Strict Protocols: Clinics follow established medical guidelines, updating them based on the latest research.
These measures help ensure ketamine therapy is both safe and effective for those seeking relief from treatment-resistant depression.
Considering Ketamine Therapy? Here’s What to Do Next
When used responsibly in a clinical setting, ketamine therapy can offer real hope for those struggling with treatment-resistant depression. If you are considering ketamine therapy, it is important to consult with a medical professional who can assess your needs and determine if it is the right fit.
At Ketamine Clinics Los Angeles, we provide comprehensive evaluations, personalized treatment plans, and a safe, supportive environment for those seeking relief. Learn more about our treatment and how ketamine therapy could help you find relief from depression.