However, if your pet's diarrhea does not resolve itself on its own, then it is time for a visit to your veterinarian. (wagbrag.com)
Simple cases of kennel cough often resolve on their own in 10 - 14 days, but other pets more seriously affected may need courses of antibiotic therapy. (1800petmeds.com)
Such cases of dog knot stuck usually resolve on their own. (dog-health-guide.org)