A single optional application on the morning of day two, a full day before your first ayahuasca night. It has its own screen, its own practitioner, and no detox claim attached. Roughly half of guests choose it, and declining changes nothing about the week or the price.
The short answer: Kambo is the secretion of the giant monkey frog. A practitioner makes a few small superficial burns on the skin and applies it. The reaction is fast and physical, peaks within minutes, and settles inside about half an hour.
The frog is Phyllomedusa bicolor, common across the western Amazon, and it is not harmed in the process; it is handled briefly and released. The secretion contains a family of bioactive peptides, which is what produces the acute response, a fast heartbeat, flushing in the face, nausea and often vomiting. None of that is a side effect to be endured quietly; it is the experience, and it is over quickly.
We treat Kambo as preparation rather than as a headline. It is not the reason anyone comes to the Osa, and we would rather you understand it plainly than arrive expecting either a miracle or an ordeal. For the wider context of how it sits alongside the other medicines, see the services overview.
A medicine that dehydrates you and raises your heart rate has no business landing near an ayahuasca night. So we put it where it can do its work and then leave the body a full day to recover.
You have arrived, eaten, slept, and had your intake. Kambo lands on a body that is ready for it, not one still recovering from travel.
Never on a ceremony day, never within twenty four hours of one. The gap lets you rehydrate and settle before the first ayahuasca night.
Not a group line-up. One practitioner with you throughout, with the resident physician a room away.
Water, electrolytes, a light meal later. Nothing else is scheduled, because the point of day two is to be ready for night three.
The combinations we refuse: Kambo on a ceremony day, Kambo within twenty four hours of one, and Kambo and Bufo in the same week. A fuller account of why the order is the service is on the services page, and the day-by-day sequence is in our dieta guide.
Kambo stresses the cardiovascular system in a specific way, so it has its own set of exclusions, read by the physician, and a yes to ceremony is not automatically a yes to this.
| Category | What it means for Kambo |
|---|---|
| Cardiac history | A full stop. Any heart condition, arrhythmia, or event excludes Kambo outright. |
| Blood pressure | Low or unstable blood pressure excludes it. It is measured on the morning, not just at intake. |
| Diuretics | Current diuretic use is an exclusion, because Kambo already shifts fluid hard. |
| Addison’s / adrenal | Addison’s disease and adrenal insufficiency are full stops. |
| Kidney or liver | Serious kidney or liver conditions exclude it. |
| Pregnancy | Pregnancy or breastfeeding excludes Kambo, as it does ceremony. |
| Hydration on the day | Dehydration defers it. That decision is made the morning of, by the practitioner. |
We make no detox claim for Kambo. The purge is real, but we do not tell you it removes toxins, cleanses organs, boosts immunity or treats disease, because the evidence does not support those statements. What guests report is feeling clearer going into ceremony, and that is the only benefit we will describe. Nothing here is medical advice and no list is exhaustive.
No adjectives, just the sequence, because the discomfort is much easier when it is not a surprise.
A few small superficial burns, usually on the shoulder or lower leg. It stings briefly, less than most expect. This is called opening the gate.
Within a minute the heart rate climbs, the face flushes and warms, and a strong wave of nausea builds. This is the peak, and it is brief.
Most people vomit. A bowl is right there, the practitioner is beside you, and it passes fast. This is the part guests dread and then describe as the relief.
Within about half an hour it lifts. The points are dressed, you rehydrate, and the rest of the morning is yours to rest quietly.
You decide during your intake on day one, with the practitioner and the physician, not months ahead in an application field. Read about Bufo, the other optional medicine, or ayahuasca itself, which is the week.
Kambo is the secretion of the giant monkey frog, Phyllomedusa bicolor, used by several Amazonian peoples. A practitioner makes small superficial burns on the skin and applies the secretion to them. It produces an acute reaction, typically a fast heartbeat, flushing, nausea and often vomiting, that peaks within a few minutes and settles within about half an hour. The frog is not harmed and is released.
Because it belongs to preparation, not to ceremony. We place the optional application on the morning of day two, a full day before the first ayahuasca night, so the body has recovered and rehydrated. Kambo is never applied on a ceremony day, never within twenty four hours of one, and never on a guest who is dehydrated or has not eaten.
Kambo has its own screen, separate from the ayahuasca application. Exclusions include a cardiac history, low or unstable blood pressure, current diuretics, Addison’s disease, serious kidney or liver conditions, epilepsy, pregnancy or breastfeeding, and recent surgery. Dehydration on the morning defers it, and that call is made on the day. It is never combined with Bufo in the same week.
We make no detox claim. The purge is real and often dramatic, but we do not tell you it removes toxins, cleanses organs or treats disease, because the evidence does not support those statements. What guests report is feeling clearer and more settled going into the first ceremony, and that is the only benefit we will describe.
No. Kambo is included in the retreat price whether you take it or not. Nothing here is a line item, because the moment a medicine carries its own price someone starts selling it. Roughly half of guests choose it and declining changes nothing about your week.
The acute phase lasts about thirty to forty-five minutes from application to settling. You will want the rest of the morning quiet, with water and electrolytes, which is exactly why we schedule it on day two with a full rest day rather than on a ceremony day.
Deciding between the medicines? Compare Ayahuasca and Bufo, or ask us on the contact page.
Apply for the retreat and a physician reads every answer. You choose Kambo, or not, during your intake on day one, with the practitioner in the room. It costs nothing either way.