Postpartum depression affects approximately 1 in 7 new mothers in the United States, yet many do not receive adequate treatment within the critical first year after delivery. The condition is far more than the “baby blues”—it can persist and profoundly affect a mother’s ability to bond with her infant and function in daily life. At OC Ketamine Therapy in Newport Beach, we offer IV ketamine infusions as an off-label option for postpartum depression that has not responded to first-line care, and we want to help patients and their families understand what this path involves. (National Institute of Mental Health [NIMH], n.d.-b)
Understanding Postpartum Depression
Postpartum depression—sometimes abbreviated PPD—is a major depressive episode that can emerge during pregnancy or in the weeks and months after childbirth. It is biologically complex. Hormonal changes after delivery, sleep deprivation, the physical demands of breastfeeding, and the psychological transition to parenthood can create a uniquely challenging environment for the brain. For many women, these pressures resolve within a few weeks. But for a meaningful subset, the impact persists, creating a depressive state that can be severe and may be resistant to conventional antidepressant therapy. (NIMH, n.d.-a)
Standard first-line approaches for PPD include selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, and psychotherapy—particularly cognitive behavioral therapy and interpersonal therapy. These treatments work well for a significant proportion of patients. But some women with PPD do not respond adequately to antidepressants, experience intolerable side effects, or need more timely relief when symptoms are severe. When a mother is acutely suffering—unable to care for herself, disconnected from her infant, or experiencing thoughts of self-harm—the timeline of standard care is a real clinical problem. (American College of Obstetricians and Gynecologists [ACOG], 2023; NIMH, n.d.-a)
Why Ketamine Is Being Studied for Postpartum Depression
IV ketamine therapy operates through a mechanism different from traditional antidepressants. Where SSRIs work primarily on the serotonin system over time, ketamine is an NMDA receptor antagonist that can trigger downstream neuroplasticity-related effects. Randomized studies in treatment-resistant major depression have found rapid reductions in depressive symptoms after IV ketamine infusion. However, those findings do not establish IV ketamine as a proven treatment for postpartum depression. (Murrough et al., 2013; MGH Center for Women’s Mental Health, 2024)
For a mother in acute distress, the possibility of a faster response can be clinically meaningful. We use IV ketamine for PPD as an off-label treatment. It is important to understand that IV ketamine is not FDA-approved for depression, including postpartum depression; it is FDA-approved as an anesthetic. The psychiatric applications are considered off-label, meaning they fall outside the original approved indication. We are transparent about this in every consultation. (MGH Center for Women’s Mental Health, 2024)
The question of breastfeeding is one of the first things we discuss with postpartum patients. Ketamine and its active metabolite appear in breast milk at very low levels, but data specific to repeated psychiatric infusions during breastfeeding remain limited. Every patient’s situation is different, and we encourage a careful, individualized conversation with your OB-GYN or lactation consultant in addition to our own consultation with Dr. Seif so that you can make a fully informed decision. (National Library of Medicine, 2026)
Addressing Barriers to Care
Two barriers commonly arise when postpartum mothers consider ketamine therapy. The first is concern about judgment—the fear that reaching out for anything beyond standard antidepressants will be seen as a sign of weakness, or that seeking an interventional mental health treatment will somehow define them as “too ill” in the eyes of family members or healthcare providers.
We want to be direct: postpartum depression is a medical condition, and pursuing effective treatment is an act of responsibility and love, not a sign of failure. We create a clinical environment in which patients feel supported rather than scrutinized. (NIMH, n.d.-a)
The second barrier is the logistical challenge of attending multiple treatment sessions in the weeks following childbirth. We understand that new mothers have significant constraints on their time and energy, and we work with families to find scheduling solutions that account for the realities of new parenthood.
Our Approach at OC Ketamine Therapy
A standard initial course of IV ketamine for depression typically involves a series of infusions over approximately two to three weeks. The exact number and frequency are determined based on your history, severity of symptoms, and how you respond to the initial sessions. Each infusion takes place in our Newport Beach clinic and involves close monitoring by Dr. Seif throughout the experience. The state induced by ketamine—often described as a gentle dissociation or a loosening of the grip of ordinary thought patterns—typically resolves within minutes to an hour after the infusion ends, though patients are asked not to drive on the day of treatment.
We often combine ketamine therapy with other treatments available at our clinic. For patients who are not breastfeeding and who prefer a non-pharmacological approach in combination with ketamine, our ExoMind TMS sessions—which use FDA-cleared transcranial magnetic stimulation technology—can be coordinated alongside infusion treatment. We may also recommend IV Vitamin Therapy to address the nutritional depletion that can accompany the postpartum period, including low magnesium, vitamin D, and B-complex deficiencies that may independently affect mood.
Results vary by individual, and we would never promise that ketamine will eliminate postpartum depression for every patient who tries it. Some patients experience dramatic relief; others notice a partial response that makes other treatments more effective; a smaller group does not respond as hoped. What we can promise is that we approach every case with the depth of attention it deserves and that Dr. Seif remains closely involved throughout the treatment process.
We also want to acknowledge the partners, parents, and family members who are often the ones researching treatment options on behalf of a mother who is too depleted to do so herself. If you are looking for answers for someone you love, we see you and we are here. A conversation with our team costs nothing, and we will walk through the options honestly.
Discuss with your provider whether this treatment is appropriate for you, particularly if you are breastfeeding, have a history of psychosis or mania, or have significant cardiovascular conditions.
Frequently Asked Questions
Is ketamine therapy safe to use for postpartum depression while breastfeeding?
Ketamine and its active metabolite appear in breast milk at very low levels, but research specific to repeated psychiatric ketamine infusions during breastfeeding remains limited. We recommend a detailed conversation with both our team and your OB-GYN or lactation consultant before proceeding. Guidance should be individualized based on your clinical situation and your infant’s needs. (National Library of Medicine, 2026)
How quickly does ketamine work for postpartum depression compared to antidepressants?
One of the most important distinctions between ketamine and traditional antidepressants is speed. In studies of treatment-resistant depression, IV ketamine has demonstrated rapid antidepressant effects, sometimes within 24 hours. However, the timing and effectiveness of response for postpartum depression specifically have not been established. (Murrough et al., 2013; MGH Center for Women’s Mental Health, 2024)
Is IV ketamine FDA-approved for postpartum depression?
No. IV ketamine is not FDA-approved for depression in any form—it is FDA-approved as an anesthetic, and its use in psychiatry, including postpartum depression, is off-label. We are transparent about this distinction in every consultation, and we always recommend discussing the full picture with your healthcare team. (MGH Center for Women’s Mental Health, 2024)
Can I receive ketamine therapy for PPD if I am already taking an antidepressant?
In many cases, yes. Ketamine can be used alongside antidepressants, though specific medication interactions are evaluated on a case-by-case basis during your consultation with Dr. Seif. We will review your full medication list before recommending any treatment.
How many ketamine infusions are needed for postpartum depression?
A standard initial course typically involves a series of infusions administered over two to three weeks. The exact number is tailored to your response and symptom severity. Some patients benefit from ongoing maintenance infusions after the initial series to sustain the relief they achieve.
Key Takeaways
- Postpartum depression affects roughly 1 in 7 new mothers and can persist beyond the first few weeks after delivery. (NIMH, n.d.-a, n.d.-b)
- IV ketamine acts on the NMDA receptor system and has demonstrated rapid antidepressant effects in treatment-resistant depression, but evidence for treating postpartum depression specifically remains limited. (MGH Center for Women’s Mental Health, 2024; Murrough et al., 2013)
- IV ketamine for PPD is an off-label use; it is not FDA-approved for depression in its IV form.
- Breastfeeding patients should discuss ketamine carefully with OC Ketamine Therapy, their OB-GYN, and, when appropriate, a lactation consultant. (National Library of Medicine, 2026)
- Results vary by individual; ketamine may be combined with other elements of a comprehensive care plan.
Conclusion
Postpartum depression is one of the most isolating and misunderstood conditions we see in our Newport Beach clinic, and the mothers who reach out to us have usually been carrying far more than they should have been asked to carry alone. Ketamine therapy does not erase the complexity of new parenthood, but for the right patient, it may restore enough neurological footing to make everything else more possible—the therapy, the bonding, and the small moments that matter.
If you are in Orange County and postpartum depression is not responding to what you have already tried, we encourage you to reach out to us. Dr. Seif will take the time to listen and help you understand every option available.
About Dr. Dina Seif
Dina Seif, MD, believes that with the right mindset and support, every one of us has the potential to transform and heal our minds. She specializes in creating a personalized plan for each patient and is committed to providing a supportive healing environment for your journey. Dr. Seif is a member of the American Society of Ketamine Physicians and was recognized as a Physician of Excellence by the Orange County Medical Association. Dr. Seif has 15+ years of experience with ketamine in the emergency setting and founded one of the first ketamine practices in Orange County in 2019. She has administered thousands of infusions and cared for hundreds of patients from around the world. Dr. Seif is board-certified in Emergency Medicine and is a graduate of the University of California, Irvine, where she attended college, medical school, and business school. After an internship in Internal Medicine at St. Vincent’s Medical Center in New York, she returned to California for Emergency Medicine residency at LAC+USC Medical Center where she also completed a fellowship in Emergency Ultrasound and was a Professor of Clinical Emergency Medicine at Keck School of Medicine of USC for 5 years.
References
American College of Obstetricians and Gynecologists. (2023). Treatment and management of mental health conditions during pregnancy and postpartum: ACOG Clinical Practice Guideline No. 5. Obstetrics & Gynecology, 141(6), 1262–1288. DOI: 10.1097/AOG.0000000000005202
MGH Center for Women’s Mental Health. (2024, June 25). Is ketamine or esketamine an option for the treatment of postpartum depression?
Murrough, J. W., Iosifescu, D. V., Chang, L. C., Al Jurdi, R. K., Green, C. E., Perez, A. M., Iqbal, S., Pillemer, S., Foulkes, A., Shah, A., Charney, D. S., & Mathew, S. J. (2013). Antidepressant efficacy of ketamine in treatment-resistant major depression: A two-site randomized controlled trial. American Journal of Psychiatry, 170(10), 1134–1142. DOI: 10.1176/appi.ajp.2013.13030392
National Institute of Mental Health. (n.d.-a). Perinatal depression.
National Institute of Mental Health. (n.d.-b). Postpartum depression.
National Library of Medicine. (2026, February 15). Ketamine. In Drugs and Lactation Database (LactMed®). National Institute of Child Health and Human Development.
Medical Disclaimer
The information provided in this blog is for educational purposes only and does not constitute medical advice. Treatment outcomes vary by individual. Results may vary. Please consult with a qualified healthcare provider before beginning any new treatment. Discuss with your provider whether this treatment is appropriate for you.