what is this ?? pics

[charlie13]

my horse seams to have a reaction to somthing dont know what ? vet thnks possibly nettals or butter cups but has also had it in the winter when he had it be for was just bu cheek bone my own vet thought it could be tooth abses so went to higher vet equne specific and was diagnosed dermatitius (carnt spell) pscribed 5 days of antibiotics and some antibactirial blue spray that is for cattle seams to be doing the job has any one else had somthing similar ? really puzzled couldt go to show as in way off bit grrrrrrrrrrr any info as it would be great to know what culd be alergic to plus claning it is a pain as have to twitch him to do it !
has got worse since pic gone all down his bottom lip poor boy

and nice pic to finish off

also in vetinary

 

[charlie13]

forgot to say last tme he had it was in january when ther are no butter cups or netals out ???

 

[smellsofhorse]

Sorry dont know, strange though, and handsome horse!

 

[china]

do you have any hogweed in your fields. its like a bigger chunkier version of cow parsley??

 

[charlie13]

dont thinks so we have some neetals docs and of course the dredded buttur cup

 

[china]

hog weed looks like this
http://www.gardenorganic.org.uk/assets/organicweeds/hogweed2.jpg
it produces a milk in the stem which can burn skin, but iv never heard it affect horses but there no reason why it cant, i pulled some out of my horses mouth when riding and it burnt my hands and blistered. if you dont have any then i dont know

 

[charlie13]

right first thing in the morning im off to search the field thanks