No, the dog cannot be vaccinated when it has diarrhea, because the dog's immunity is relatively weak at this time, and the vaccine is usually an attenuated vaccine, which must be injected when the dog is in good health. If If your dog is vaccinated when he has diarrhea, he may have other symptoms such as aggravation of diarrhea, loss of appetite, etc.
Dogs' diarrhea may be caused by improper diet or infection with intestinal parasites. You can give it first Feed the dog probiotics and intestinal anti-inflammatory drugs to regulate the gastrointestinal tract. After the dog stops having diarrhea, observe it for another week. If everything is normal, take the dog for vaccination.