
The phenomenon we call mad honey — honey poisoned by grayanotoxins from Rhododendron and Azalea — is explicitly known to Hippocratic, Aristotelian, Xenophontic, Dioscoridean, and later medical authors.
They do not use one standardized technical term, but they describe:
Xenophon — Anabasis 4.8.20–21 (c. 370 BCE)
He gives the most famous classical account of toxic honey near Trapezus:
“Honey from the combs produced a strange sickness: all who ate it acted mad.”
Symptoms he lists:
This is textbook grayanotoxin poisoning.
Aristotle describes toxic honey from the Pontus region:
“A peculiar honey… causes drunkenness and derangement.”
He attributes it to flowers of a certain shrub — likely Rhododendron ponticum.
Theophrastus explains why Pontic honey is poisonous:
“From the nature of the rhododendron and andromedê shrubs.”
This is the earliest botanical identification of the correct plant source.
From the ancient medical corpus.
He describes poisonous honey:
“Pontic honey… from the rhododendron plant.”
Symptoms listed:
He classifies it as pharmakon dangerous to ingest but (importantly) potentially medicinal in small, controlled doses.
Galen distinguishes ordinary honey from:
“The inebriating Pontic honey.”
He notes it can cause:
Again: perfect match to grayanotoxin symptomatology.
Not explicit as “mad honey,” but several passages refer to honey causing:
Given geographical circulation, these likely refer to the same thing — though the Hippocratic authors do not give the explicit botanical etiology like Theophrastus or Dioscorides.
They knew:
Exactly identical to modern toxicology.
And:
The properties of Pontic honey yield controlled, time-limited delirium.
Galen’s phrase:
“the mind stands outside itself”
Dioscorides explicitly permits low-dose ritual/medical use.
Ancient cults knew plants that caused derangement + paralysis + visions, and Pontic honey could easily play a role.