He is not a vet, he's not even a doctor.Doctor Peter Brown from First State Vet Supply in Pennsylvania and he knows medicines

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He is not a vet, he's not even a doctor.Doctor Peter Brown from First State Vet Supply in Pennsylvania and he knows medicines
The combo of the two drugs should help. Just makevsurevthey drink enough medicated water.Thanks everyone, for now I'm going to try the Denagard and Oxytetracycline because that is what I have now at home. If no improvement then I'll try the other things. I did take him in to the vet and he gave me Sulfatrim, it's the only antibiotic that is approved for chickens that he can give me.
You could try giving the Denagard orally, and that means his daily Denagard dose should be at least 0.75 ml per day. I'll have to look up the tetracycline dose and do some math.He weighs 8 pounds.