Ever wondered what people mean when they talk about a drug in frog pee? You’re definitely not the only one. The main compound at the center of these stories is bufotenin—a psychedelic substance that turns up in some toad and frog species.
Bufotenin belongs to a group of chemicals related to serotonin, and folks know it for its hallucinogenic effects when used a certain way.

You’ve probably heard about toad venom or other secretions that can mess with your mind. Sure, bufotenin shows up in some frogs and toads, but people often confuse it with other substances like 5-MeO-DMT, which actually packs a bigger punch and is more common in certain species.
Getting a grip on which chemicals are actually in play helps clear up some of the confusion (and wild stories) about these animals and what they do to people.
Bufotenin has a pretty wild history—people in South America have used it in rituals, and scientists have poked at its effects in humans. If you’re curious about what makes this natural chemical so unique, stick around as we dig into the science and stories behind the so-called drug in frog pee.
Want more details? Here’s a page about bufotenin you might like.
Primary Drugs Found in Frog Pee and Secretions

Frog pee and secretions carry several pretty intense substances that can affect both your body and your mind. You’ll find psychoactive compounds and toxins that have both traditional uses and some serious risks.
Bufotenin: The Main Psychoactive Compound
Bufotenin stands out as one of the main substances in the secretions of toads and some frogs, like Bufo alvarius. It’s closely related to serotonin—a key brain chemical for mood and perception.
If you come into contact with bufotenin, you might experience hallucinogenic effects. People talk about seeing colors and shapes shift, and other sensory changes. Still, bufotenin doesn’t hit as hard as other related compounds like DMT.
Bufotenin can get toxic at higher doses, causing things like a rapid heartbeat, nausea, or high blood pressure. Using it without knowing what you’re doing? That’s risky business. Some traditional cultures use it in rituals, but modern medicine and therapy haven’t really embraced it.
5-MeO-DMT and Its Potent Effects
5-MeO-DMT is another heavy hitter—a powerful psychoactive chemical found in the secretions of the Colorado River toad (Bufo alvarius) and some frogs. People know it for causing intense, fast-acting spiritual and mystical experiences.
This stuff is way stronger than bufotenin or regular DMT. When you inhale it or take it carefully, 5-MeO-DMT can trigger deep feelings of unity and ego loss. Some users even say it’s life-changing.
But it’s not all mystical bliss. 5-MeO-DMT can cause strong physical reactions, like a racing heart, vomiting, or confusion. Because of how strong it is, anyone considering it needs to be careful and show some respect. It’s become a thing in some alternative healing circles, but it’s still illegal in a lot of places.
Other Compounds: Bufotoxin and Bufadienolides
Besides the trippy stuff, frog secretions often contain toxins like bufotoxin and bufadienolides. These chemicals help frogs fend off predators, but they’re not so great for humans.
Bufotoxin is a mix of peptides and steroids that can mess with your heart and nervous system. If too much gets into your bloodstream, you might face vomiting, irregular heartbeat, or even heart failure.
Bufadienolides show up in the skin and secretions of some amphibians. They act on heart muscles, kind of like the heart medicine digitalis, but can get dangerous fast if you use them wrong.
These toxins make handling frog secretions a risky move. The giant monkey frog (Phyllomedusa bicolor) used in kambo rituals releases powerful peptides that affect circulation and can cause nausea and vomiting.
If you ever come across products or practices involving these secretions, be extra cautious.
For more info on 5-MeO-DMT and similar substances, check out Kambo Care’s science of frog medicine.
Human Uses, Cultural Practices, and Associated Risks

People use frog secretions in a bunch of different ways, depending on the culture. They show up in traditional healing rituals and modern shamanic ceremonies. But honestly, there are health risks you should keep in mind if you’re ever tempted to try this stuff.
Traditional Uses by Indigenous Peoples
Indigenous groups like the Matses Indians from the Amazon have used frog secretions for centuries. They collect the secretion from the Phyllomedusa bicolor—the giant monkey frog—and use it in cleansing rituals called Kambo ceremonies.
During these ceremonies, they apply the secretion to small burns on the skin. They believe it clears toxins and boosts both physical strength and mental clarity. For the Matses and other tribes, this practice is more about spiritual and physical health than just getting high.
Modern Psychedelic and Shamanic Practices
In recent years, people outside those indigenous communities have started using Kambo in modern shamanic and psychedelic ceremonies. You might come across it as an energy booster or as part of alternative health routines.
These sessions usually follow the traditional approach, with a shaman or guide applying the frog secretion to skin burns. Most users report some pretty strong effects right away—nausea, vomiting, and diarrhea are common. It’s not a classic psychedelic, but it definitely produces intense physical reactions that many describe as cleansing.
Potential Health Risks and Side Effects
Thinking about trying Kambo or other frog secretions? You really should know the risks first.
The peptides in this stuff can trigger some pretty intense reactions. People often end up vomiting, having diarrhea, or dealing with muscle pain.
These effects happen because the toxins hit your nervous and cardiovascular systems directly.
Some folks have even experienced cardiac arrhythmia or, in rare cases, cardiac arrest. That means your heart can suddenly beat in a really irregular or dangerous way.
Doctors warn that Kambo use gets especially risky if you already have heart issues or take certain medications.
If you still want to go ahead with it, make sure you’re supervised and fully understand the risks. You can dive deeper into the details by checking out studies on Kambo use and poisoning.