A dog that develops diarrhea within minutes to hours of eating presents a clinical pattern every practitioner recognizes. The postprandial timing narrows the differential list considerably compared to diarrhea that de…
By Dr. Sarah Mitchell, DVM · Reviewed by the theveterinariansbag.com Editorial Team · Updated July 2026 Antibiotic-associated diarrhea (AAD) is one of the most common iatrogenic problems in small animal practice. A dog presents for an unrelated infection, receives an appropriate antibiotic, and within days develops soft stools or diarrhea that resolves only after the…