This is a common problem that all dog owners will worry about and experience at some point, so it’s important to know when to worry and when to wait.
First, consider your own dog and their general health. Is your dog young and generally fit and well? Or are they older and have other known health issues? Is your dog behaving unwell or are they bright, happy and playful? Does your dog have any outward signs of illness? Are they being sick or experiencing diarrhea? Are they salivating tears, suggesting nausea? Some of the (many) reasons your dog may not eat are: