Dipylidium caninum is a common tapeworm of dogs and cats. However, human infestation with this tapeworm is distinctly uncommon. I report a case of dog tapeworm infestation occurring in an infant.
Report of a Case.—A healthy 7-month-old female infant was brought to the office for examination after the mother found seedlike objects in the infant's stool. The mother emphatically denied feeding the infant anything else but breast milk and strained baby foods. The diaper, which she had dutifully brought with her, contained the infant's most recent bowel movement. Amid the yellowish, soft stool were a few pale, pumpkin-seed—like objects (Figure).
The infant seemed to be fine. She was thriving, had not been vomiting, and had no diarrhea, abdominal pain, or other symptoms. The stool was sent to a local hospital clinial pathology laboratory, but they could not identify the objects.
Several days later, the mother called to report that