This injection that already filled with "medicine" is for cure my all rabbits that hav ringworm. I just injected it at the neck (followed the doctor instruction that i always saw at vet) to my rabbits. Yesterday i injected it to my lop rabbit & there's a bit left ringworm at his nose. Since then, I injected to some the rabbits today. I will proved it soon to u guys that this medicine it very2 useful.