What is he eating, is he drinking ok? Whats his temp? What form is his poop? Is he urinating a full stream & what color is it? Whats his famacha score? Can you post a current picture of him & his drooling? Please?
If he got a weed with sticker in it..it can lodge in the skin when he swallowed...it can fester, swell and cause blockage. I have seen this before with a weed called foxtail. Took having the goat sedated and scoped to find it.. once removed the Doe recovered fully. A vet will need to scope his throat to see if this or another blockage is issue. I agree with an anti-inflammatory to help with the swelling. If the vet finds something and it's infected, he may need antibiotics.What do you mean by stickers