In the Alchemical Herbal (You are not allowed to view links. Register or Login to view.), there's an example of a plaster upon the belly, so this practice is documented elsewhere.
Item si quis haberet vermes in corpore, accipe de ista herba et pistetur et emplastretur supra ventrem: omnes vermes morientur et egredientur inferius, et hoc est probatum.
Also, if anyone had worms in their body: take this herb and crush it, then plaster it on the belly; all the worms will die and come out from below, and this is proven.
EDIT: This is from You are not allowed to view links. Register or Login to view. (8th Century):
167. Ad Combustum. Polenta cum aqua subacta et adposita sanat.
For Burns. Porridge (polenta/pulenta) mixed with water and applied heals.
Item si quis haberet vermes in corpore, accipe de ista herba et pistetur et emplastretur supra ventrem: omnes vermes morientur et egredientur inferius, et hoc est probatum.
Also, if anyone had worms in their body: take this herb and crush it, then plaster it on the belly; all the worms will die and come out from below, and this is proven.
EDIT: This is from You are not allowed to view links. Register or Login to view. (8th Century):
167. Ad Combustum. Polenta cum aqua subacta et adposita sanat.
For Burns. Porridge (polenta/pulenta) mixed with water and applied heals.


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