In article ,
Martin Brown wrote:

Photosensitising by (giant) hogweed seems the most likely explanation.
It can be pretty nasty. And also once sensitised I think you are always
in for a rough ride with it in future.

No, No, NO!!!

That's all true, but it's NOT particularly likely to be giant hogweed,
or even ordinary hogweed. LOTS of plants will do it to the same
extent, and not everybody reacts to giant hogweed, anyway. Common
periwinkle and most spurge sap will both do it, for a start.


Regards,
Nick Maclaren.