Ketamine and Other Psychedelics

Choosing Between Ketamine and Other Psychedelics

published:

updated:

April 22, 2025

The rise of psychedelic-assisted therapies is changing the paradigm of mental health, providing hope to those who have failed to respond to traditional medical approaches. Ketamine vs psychedelics like psilocybin, MDMA, and DMT are among the most common comparisons. Although ketamine has long been used as an anesthetic and has more recently been prescribed off-label to treat depression, classic psychedelics primarily work through serotonin receptors to produce profound changes in perception and cognition.

If you’re looking for a comparison to other psychedelics, if you’re wondering whether “is ketamine a psychedelic?” or if you just want to learn more, you’re in the right place. And touch on emerging practices like psilocybin microdose (also known as microdosing mushrooms), ketamine-assisted psychotherapy, psychedelic-assisted psychotherapy, at-home ketamine therapy, and psychedelic integration.

Set to learn about breakthrough mental health solutions. Go to Isha Health to find out how our experts can guide you.

What Is Ketamine And Is It A Psychedelic?

Ketamine is a dissociative anesthetic that was first synthesized in the 1960s. At sub‑anesthetic doses, it induces dissociation, mild hallucinations, and expeditious mood elevation. Although the subjective effects of ketamine do overlap with those of classic psychedelics, such as altered sensory perception and changes in self‑awareness  , its mechanism of action is primarily by way of blocking NMDA glutamate receptors, as opposed to directly stimulating serotonin 5‑HT₂A receptors. This distinction is important because, even though ketamine can elicit psychedelic‑like experiences, it is pharmacologically considered a dissociative anesthetic rather than a classic psychedelic. 

Classic Psychedelics: Mechanisms And Microdosing

Only to be used here in a few modern examples: Classic psychedelics like psilocybin, LSD, and DMT are currently the focus of much interest for their powerful applications in mental health and consciousness. They mainly function by stimulating serotonin 5-HT₂A receptors, prompting changes to perceptions, emotional awareness, and neural interconnectedness. Microdosing entails taking sub-perceptual doses of psychedelics, and is rapidly becoming a viable avenue for boosting mood, creativity, and focus without inducing a full-blown psychedelic experience. 

Psilocybin Microdose & Microdosing Mushrooms

Psilocybin, the active ingredient in “magic mushrooms,” is a prototypical psychedelic agent that stimulates serotonin 5‑HT₂A receptors, resulting in a range of effects including altered perceptions, subjective feelings of enhanced mood, and greater cognitive flexibility. Microdosing (0.1–0.3g of dried mushrooms ~ once every few days) is about finding minimal mood and creativity benefits without journeying down the full psychedelic rabbit hole. Early surveys and pilot studies have shown mood boosts, improved focus, and emotional regulation, but large‑scale, controlled trials are in the works.  

Therapeutic Models: Assisted Psychotherapy

Assisted psychotherapy couples' therapeutic talk with the biochemical action of substances such as ketamine or classic psychedelics to amplify emotional breakthroughs and recovery. Ketamine-assisted psychotherapy (KAP) employs ketamine’s dissociative state so patients can safely and guidedly explore complex emotions. Psychedelic-assisted psychotherapy with psilocybin or MDMA is performed in a similar fashion, where structured preparation and integration are used to harness the therapeutic power of such profound experiences. 

Ketamine-Assisted Psychotherapy

Ketamine‑assisted psychotherapy (KAP) entails administering sub‑anesthetic doses of ketamine within the context of talk therapy. Ketamine’s dissociative window (30–60 minutes) gives patients access to difficult emotions and memories with fewer psychological defenses. Therapists help patients experience the experience and integrate afterward. 

Psychedelic-Assisted Psychotherapy

Typical use of classical psychedelics (e.g., psilocybin, MDMA, DMT) involves controlled sessions lasting 4–8 hours with extensive preparation and integration phases. These therapies exploit the compounds’ capacity to induce mystical‑type experiences, emotional breakthroughs, and neural plasticity. MDMA‑assisted therapy for PTSD, for example, is in late‑stage trials; psilocybin for depression, for another, is moving through Phase 3 studies. 

Ketamine vs Psychedelics: Key Comparisons

Feature

Ketamine

Classic Psychedelics

Primary Target

NMDA (glutamate)

5‑HT₂A (serotonin)

Typical Session Length

30–60 minutes

4–8 hours

Onset & Duration

Minutes onset; dissociation ~1 hour

30–60 minutes onset; 4–8 hours duration

FDA‑Approved Uses

Spravato for TRD; anesthesia

None (research/compassionate use only)

Off‑Label & Investigational

Depression, PTSD, chronic pain (off‑label)

Depression, PTSD, addiction (trials)

Integration Requirements

Brief integration sessions

Extensive integration therapy

Suitability

Rapid relief, short sessions, insights can emerge

Deep, lasting insights, longer sessions

Psychedelic Assisted Therapy & Integration

Remote administration of ketamine therapy and psychedelic integration is an innovative means of mental health care that represents the perfect blend between remote care and psychedelic-assisted therapy. With this, people can now experience life-changing therapeutic sessions safely at home and under the expert guidance of professionals, with support from start to finish. 

Ketamine and Other Psychedelics

At-Home Ketamine Therapy

The evolving landscape of telemedicine has also transformed the accessibility of ketamine treatments, allowing some individuals to undergo therapy from the convenience of their homes. This model allows remote medical oversight without compromising safety, enabling eligible patients to benefit from telepsychiatry services. 

Licensed Oversight

At-home ketamine therapy starts with a comprehensive evaluation by board-certified health care providers. These specialists evaluate the patient’s medical history, current mental health condition, and appropriateness for ketamine treatment. This means that the treatment is appropriate for personal requirements and is only delivered securely and professionally.

Standardized Protocols

Remote therapy abides by carefully designed protocols that account for the contents of each of those five modalities, including personalized dosing schedules and virtual check-ins to track patient progress. Providers give detailed instructions for self-administering ketamine through nasal sprays, sublingual lozenges, or other formulations while treating the patient consistently and safely.

Emergency Plans

Providers also prepare and share emergency plans for handling possible side effects or adverse reactions. These plans contain quick-action preparations, access to query medical experts, and 24/7 therapeutic hotlines for patients who need advice during the restorative procedure.

Psychedelic Integration

Discussing how at-home ketamine therapy works in conjunction with a broader psychedelic practice is key to reaping long-term mental health benefits. This process, sometimes more structured, involves preparation, reflection, and follow-up therapy to ensure patients make sense of the experience and how they can translate what they learned to everyday life.

  • Preparation: Patients have preparatory sessions before beginning therapy, to formulate intentions and explain the process.
  • Reflection and Guidance: Patients then engage in reflective and therapeutic work with therapists or coaches.
  • Continuing Care: Follow-up sessions and resources, like journaling prompts or group therapy, support the long-term benefits of ketamine therapy and promote personal development.

This promise of transformative care lay in the intersection of technology and innovation. With a focus on a new integration practice embracing the ketamine therapy process at home, it ushers in a new era in mental health care.

Psychedelic Integration

Regardless of the substance, psychedelic integration, an organized reflection on the experience and behavioral planning on how to act after each session, is critical. Integration therapists translate this designation to daily life to support long-term mental health gains. 

Ketamine Side Effects 

Side effects can include dissociation, nausea, elevated blood pressure, and dizziness. Prolonged high-dose use poses risks for bladder toxicity and dependence.

Classic Psychedelics

Low physical toxicity, but have challenging experiences (“bad trips”) without proper support. High risk for psychosis must be screened for.

The sessions will include medical and psychiatric screenings.

  • Post administrationQualified therapists
  • Integration therapy for the usualization of the gains.

Is Ketamine Or Psychedelic‑Assisted Therapy For You?

Before ketamine came into the scene as a treatment for mental health disorders, psychedelics were most thought of as partying tools rather than as viable modes of therapy. These substances offer unique therapeutic benefits, and it is essential to understand how they differ to make the best choices. 

  • Fast Relief: Ketamine is rapid-acting, making it particularly beneficial during acute episodes of depression or suicidality.
  • Psychedelic Healing: Classic psychedelics allow for journey-like experiences, sessions lasting many hours that can bring about transformation and healing through nonverbal processing of trauma or existential distress. 
  • Formats: Brief ketamine sessions versus full-day psychedelic retreats; in‑clinic versus at‑home options.

Disclaimers

Note: Ketamine (aside from Spravato) use in depression is off-label. Off‑label use refers to the fact that ketamine is FDA‑approved for anesthesia, but its use for depression hasn’t received that official approval from the FDA. Ketamine compounded formulations are not an FDA‑approved product. If you have questions, please talk to your health care provider.

Conclusion

In this article, we explored the differences between ketamine and psychedelics as the landscape of psychedelic medicine continues to evolve and mature rapidly. Ketamine’s fast, dissociative action represents an opposite path from the deep serotonin‑wending voyages of classic psychedelics. Both must be overseen by professionals with precise knowledge of clinical indications, pharmacophysiology, side effects, regulatory status,integration process, and regulatory status. 

Whether you are interested in ketamine-assisted psychotherapy, psilocybin microdose protocols, or at-home ketamine therapy, expert oversight optimizes safety and therapeutic potential. To explore your options, visit Isha Health to book your consultation and discover our personalized psychedelic therapy programs.

FAQs

Is ketamine considered a classic psychedelic?

No, ketamine is a dissociative anesthetic, not a classic psychedelic like psilocybin or Lysergic Acid Diethylamide, though it has mind-altering effects in common with them.

How does ketamine therapy differ from psychedelic therapy?

Ketamine therapy, for the most part, is about quickly relieving symptoms through dissociation while psychedelic therapy consists of longer sessions devoted to deep emotional and spiritual exploration.

Which has longer-lasting effects: ketamine or psychedelics?

Classic psychedelics such as psilocybin tend to have longer-lasting effects on mood and cognition than ketamine, which may need to be administered in a series of treatments.

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