Synonym(s)
Average phototoxicity dose; Phototoxicity dose Average
DefinitionThis section has been translated automatically.
Acronym for "minimum phototoxic dose". Value corresponding to the minimum erythema dose ( MED) in PUVA therapy patients. The determination is made after oral administration of Methoxsalen. Two hours after the administration, small fields in the area of UV-sensitive skin areas (buttocks) are irradiated with different UVA doses to determine the threshold dose with which "just so" a visible erythema with a sharp border can be produced". The reading is taken after 72 hours.