[header] How to spot rabies in a dog [title] Look for early signs of rabies infection. [step] This early stage can last anywhere from two to ten days. During this time, your dog will seem sick with general symptoms. 
If you notice these symptoms, search your dog for any bite marks or signs of a recent fight (scabs, scratches, ruffled fur with dried saliva). If you find a bite mark or wound of any kind, take your dog to the vet immediately for evaluation.