MDMA THERAPY

A couple from the United Kingdom flies to the Netherlands for a psychedelic session and books a hotel in Hoofddorp, close to Schiphol. One of them wants to use only psilocybin (truffles), the other primarily (a variant of) ketamine, with a small addition of truffles “for the visuals.” In online circles, this combination is sometimes referred to as “Funky flip” or “Chonk.” In this article, we outline the context and nuance: what people mean by such a combination, what is and isn't known from research, and which safety considerations are important when someone is thinking about this in relation to trauma or PTSD.

What is meant by a “Funky flip” (ketamine plus psilocybin)?

“Funky flip” or “Chonk” typically refers to the combination of a dissociative substance from the ketamine scene (sometimes also an analogue in the informal circuit) with a classic psychedelic such as psilocybin from truffles. The idea behind the combination is usually that ketamine can provide a more detached, dissociative layer, while psilocybin can evoke emotional depth, meaning-making, and sensory changes.

It is important to note that this specific mix is not standard within professional treatment models. This does not mean that people never report experiences with it, but it does mean that you must look extra critically at the setting, dosage, preparation, guidance, and aftercare when hearing such stories. Experiences can vary widely, and what feels “workable” to one person may actually be disruptive to another.

Trauma and PTSD: why people seek alternative entry points

People with trauma or PTSD often describe a mix of flashbacks, avoidance, heightened alertness, and feelings of shame or freezing. Some find that talking alone does not always provide sufficient access to certain emotional layers, while it can also become too intense if everything opens up at once.

Therefore, people sometimes seek methods that, on the one hand, facilitate emotional processing, but on the other, offer a sense of bearability. Psychedelic experiences are frequently mentioned in this context. At the same time, it is important to remain realistic: an intense experience is not automatically therapeutic, and relief of symptoms is not guaranteed. The outcome often depends on preparation, guidance, the context, and especially the subsequent integration.

What does scientific research say, and what does it not yet?

Research is ongoing into both ketamine and psilocybin in various clinical contexts, but large-scale clinical research into the specific combination of ketamine plus psilocybin is limited. This means that we have little reliable data regarding effectiveness, optimal dosage ratios, risk profiles, and which target group might benefit from it or, conversely, is at increased risk.

What is clear, however, is that both substances have different pharmacological mechanisms of action and can therefore evoke different psychological effects. This makes the combination theoretically interesting, but also more difficult to predict in practice. “Synergy” can mean that they complement each other, but also that they reinforce each other in a way that someone had not expected.

In online discussions, you sometimes see assertive claims, such as that ketamine “inhibits the amygdala” or that the combination “allows trauma to be processed safely.” Such statements are often too assertive to be substantiated, certainly outside a clinical setting. It is possible that someone experiences it that way, but that is an anecdotal account, not a guarantee or a universally applicable mechanism.

Why this combination is seen as a “buffer” and where that can cause friction

A frequently heard motive is that psilocybin can be emotionally intense, and ketamine could “buffer” that by creating distance. That is understandable if someone is afraid of being overwhelmed. In the case of trauma, however, too rapid or too intense exposure to memories or emotions can actually be counterproductive and lead to panic, dissociation, or dysregulation in the days that follow.

At the same time, there is a tension involved. Dissociation can provide temporary relief for some people, but it can also reduce the connection with the body and emotions. In trauma work, “just enough contact” is often important: sufficient safety to stay present without drifting away. Whether a ketamine-like dissociation helps or hinders this varies by person and context. This makes individual tailoring and professional guidance all the more relevant.

Why a hotel session requires extra attention

A session in a hotel near an airport sounds practical, but it entails specific risks. Hotels are unfamiliar environments: noises in the hallway, cleaning, unexpected interactions, check-out times, and limited control over stimuli. Particularly with trauma and PTSD, unpredictability can be a trigger.

Logistics also play a role. Travel, jet lag, flight-related stress, and the lack of a stable “landing spot” can increase the burden. With substances that can cause disorientation, it can be difficult to feel safe in a space that is not your own. It is not inherently irresponsible, but it requires more preparation and a very clear safety plan.

Key risks and harm-reduction points when combining

Combining almost always increases complexity. The key points of attention that frequently recur in harm reduction are:

Unpredictable intensity: The experience can be faster or deeper than expected. This can lead to panic, confusion, or the feeling of losing control.

Motor skills and fall risk: Dissociation can affect balance and coordination. In a hotel room with furniture, a shower, and hard edges, that is a concrete risk.

Nausea and vomiting: Both substances can cause nausea. Vomiting during severe disorientation is a safety risk if someone cannot sit or turn properly.

Psychological dysregulation: Especially in the presence of a history of severe anxiety, derealization, or instability, a combination can temporarily worsen symptoms. This is not a prediction, but a real point of concern.

Dosage and timing: “Adding a little bit” sounds small, but subjective intensity is not linear. Especially with combinations, “starting low” is a harm-reduction principle that is often cited, precisely because stacking is difficult to correct.

Accompaniment: A level-headed, experienced guide or tripsitter who can monitor agreements, reduce stimuli, and assist with grounding is especially important in these types of scenarios. Without guidance, the risk of difficult moments escalating increases.

Therapeutic context versus informal use: the difference often lies in the process

When people speak of “therapeutic sessions,” they sometimes simply mean that it has a healing intention. In a professional context, it usually involves a process of preparation, screening, guidance during the experience, and integration afterward. It is precisely this process that can make the difference between a traumatic event and an experience with which someone can move forward meaningfully.

The combination of ketamine plus psilocybin is, as far as the public is aware, not widely accepted as a standard protocol in therapy. If someone is considering this approach due to trauma-related complaints, it is advisable to place extra emphasis on screening, contraindications, a clear set and setting, and a plan for integration. This is general information and not individual advice.

Where does MDMA fit into this conversation (and what is currently possible)?

Regarding trauma and PTSD, MDMA often comes up in conversations because clinical research has been conducted into MDMA-assisted therapy. At the same time, it is important to remain factual regarding the practice: MDMA sessions can currently only be discussed and approached within the framework of scientific research or in practice via harm reduction. This does not involve a regular, recognized treatment that you can “just book,” but rather a context in which safety, preparation, and aftercare should be central.

Anyone wishing to broaden their understanding of the subject of MDMA and trauma can do so via the page. MDMA and trauma, where the distinction between research, practice, and safety can be better explained.

Questions that help to add nuance to the situation

If someone is in a situation like the one in the forum topic, these reflection questions can help to think less impulsively and more from a place of safety:

What is the goal? Is it about insight, emotional processing, symptom relief, or primarily about a special experience?

What is the plan for difficult moments? Who provides the guidance, what grounding techniques are available, and what if someone wants to stop or panics?

What does integration look like? Is there room in the days that follow for rest, writing, bodywork, therapy, or an integration conversation?

Why combine? Is combining them a well-considered choice or primarily curiosity, and is there experience with each product individually?

These questions do not provide a “right” or “wrong,” but reveal whether the preconditions are right for trauma-sensitive work.

Conclusion

The combination of ketamine (or similar substances) with psilocybin, sometimes referred to as a “Funky flip,” is frequently mentioned online in relation to trauma and PTSD, often with the idea that it can dampen dissociation and that psilocybin adds meaning and emotion. At the same time, scientific evidence for precisely this mix is limited, and the experience can be unpredictably intense, especially in a hotel setting and for people with trauma symptoms. Harm reduction revolves around this: recognizing risks, not overestimating what a session can “solve,” and above all, ensuring preparation, guidance, and integration.

Anyone wishing to explore guided sessions and the available options in the Netherlands can register for information via Sign up for MDMA session, based on the premise that MDMA sessions can currently only be discussed and approached within scientific research or through harm reduction.