Do not give gentamicin to your dog when it vomits. It is best to find out the cause of the dog's vomiting first, and then treat it according to the specific situation. Generally, dog vomiting may be due to improper diet, food poisoning, gastrointestinal disease, etc. Canine distemper, parvovirus, etc., first make sure that the dog has not eaten other food randomly. If the dog has food poisoning, it needs to be sent to the hospital for detoxification injection in time. If it is canine distemper, parvovirus, etc., you can take gentamicin. If it is due to improper diet, you can take some probiotics. .