nebulize it, that is what my vet recommended because the problem of tissue damage and prescribed separate medications for injection. find a good vet and I wish you the best. I had to give my baby BP injections for three weeks and had to have a friend help because she was too small to hold in my hand and inject. If you are careful, which sounds like you are, it should be fine just make sure you are informed before you start a stressful situation. I was more nervous at first and that anxiety seemed apparent to by baby girl.