THANK HEAVEN!!! My baby Codi started scratching and chewing himself raw out of nowhere. I changed food, base protein, gave allergy meds. Nothing worked. I was just doing triage on my baby. I ordered this just to keep any secondary skin infection at bay. It worked great. I did notice the directions say to give a larger dog 3 - 1 ml droppers twice a day, but I did add one extra dropper to each dose and it worked better. Codi is 80lbs and his fur is growing back and he is not exhausted from scratching and chewing around the clock. I also used a lime sulfur treatment on him in tandem with the antibiotic.