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Opioid peptide · Dermorphin

Dermorphin side effects and opioid safety context

Why dermorphin's risks are those of a very potent opioid, including respiratory depression, dependence, and overdose, and why it is unsuitable for non-medical use.

Educational only
This page is educational and not medical advice. See the medical disclaimer and editorial policy.

Quick facts

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Neuro / nootropic / cosmetic
About
Potent opioid-like peptide originally isolated from amphibian skin, occasionally discussed in experimental analgesia and performance contexts.
Safety context

Dermorphin is a very potent mu-opioid agonist. Its side-effect profile is the side-effect profile of a strong opioid, amplified by its potency. This page is educational and not a guide to using it.

Overview

Because dermorphin acts on the same receptors as morphine but with much greater potency, its risks are those of the opioid class magnified. There is no established safe context for its use in people, and it is not handled as a reviewed medicine.

Opioid class effects

Effects associated with mu-opioid agonists include:

  • Sedation, drowsiness, and impaired coordination.
  • Slowed breathing (respiratory depression), the main cause of opioid death.
  • Nausea, vomiting, and constipation.
  • Low blood pressure, itching, and pupil constriction.

With a highly potent compound, the margin between an effect and a dangerous effect is narrow.

Overdose and dependence

Like other strong opioids, dermorphin carries a real risk of life-threatening overdose through respiratory depression, as well as tolerance, physical dependence, and addiction with repeated exposure. High potency means small errors in an already unregulated product can be fatal.

Why non-medical use is hazardous

Additional hazards are specific to how dermorphin is obtained and used:

  • No pharmaceutical-grade product exists for human use, so purity and identity are uncertain.
  • Its potency makes accurate handling extremely difficult outside a controlled lab.
  • Its history is one of illicit doping, not supervised medical care.

Context and caveats

Dermorphin is not FDA-approved and is associated with abuse and controlled handling. Anyone encountering opioid exposure or overdose should seek emergency medical help. This page describes risks for educational purposes and is not a recommendation of any kind.

Sport & Anti-Doping Warning

Dermorphin became notorious in horse racing as a potent opioid peptide (sometimes dubbed 'frog juice') illegally administered to racehorses to dull pain and enhance performance.

Advisory Note

While most famous in veterinary sport, dermorphin and similar non-approved opioids would also be treated as prohibited narcotics in human athletics.

Keep reading

Key studies

Curated primary literature for Dermorphin. Links open the publisher or PubMed record in a new tab.

  1. Amino acid composition and sequence of dermorphin, a novel opiate-like peptide from the skin of Phyllomedusa sauvageiPubMed
  2. In vitro and in vivo opioid activity of [DPro(6)]dermorphin, a new dermorphin analoguePubMed

Search the literature

PubMed · ClinicalTrials.gov · Google Scholar