Dog Diarrhoea: Common Causes and Warning Signs
Dogs can develop diarrhoea for many reasons, including eating something unusual, a sudden diet change, stress, parasites, infections, food intolerance, inflammatory gastrointestinal disease, toxins, pancreatic disease, hormonal disorders or other systemic illness. Mild diarrhoea in an otherwise bright, healthy adult dog may sometimes resolve within a short period, but contact a veterinarian if it persists, becomes frequent or severe, contains blood, appears black or tarry, or is accompanied by vomiting, appetite loss, lethargy, abdominal pain, weight loss or signs of dehydration. Puppies, senior dogs and dogs with underlying medical conditions may become unwell more quickly. Seek urgent veterinary care if your dog is collapsing, severely weak, markedly dehydrated, has severe bloody diarrhoea, a painful or distended abdomen, breathing difficulty, or you suspect poisoning or another emergency.