What is this and what to do. Lumps and bumps

Jesstickle

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So brown horse has what I can only assume is an allergy to something which starts off looking like fly bites and is itchy. Raised lumps in patches. Then it goes flatter and the hair comes away from the top of what was the lumps.

He got the first patch about a month ago and this is looking nearly normal again but he also has a couple of other patches on his shoulder and his neck.

My other horse who is in the field with him isn't suffering and I can't find what it is that he could be allergic to. He is wearing a fly rug now but is there anything I can do to help the patches he has heal?

I'm at a bit of a loss. He isn't suffering at all but they don't look very pretty!
 
if you squeeze the spots does pus come out, if it does then they are rworm spots which are contagious but you can treat them with lamasil cream or stericelle spray but get the pus out first, it does usually have to follow its course but can get bad if the whole body becomes infected. Hivy rash wouldnt lose the hair at the top.
 
Sounds identical to ours, vets loosely classed it as urticaria I think. Sort of a pollen allergy, could be from any weed or plant in the paddocks or bought over in the air.

Anyway...had a steroid shot of something which cleared it up...though there is a non-steroid based long term solution called Cavalesse, which you add to feed or orally through a syringe.
 
It does look just like urticaria. (isn't it a general term for any skin rash?) I'd rather not fill him full of steroids if I can help it. Whilst it's still mild I was hoping to find something a less extreme. If it gets worse will call the vet. The long term option sounds interesting. Will have a chat with the friendly vet about it.

No there isn't any pus in them. They're just raised bumps.
 
If he is getting too much protein in his diet this will show through a lumpy rash or hair loss.
Every horse reacts differently to feed, some can eats lots of hard feed whereas others will react to small amounts. I have known quite a few horses with protein lumps and owners always try to look for something more complicated.
Try cutting out his hard feed or speak to a nutritionist and see what they advise to feed.
 
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