This paper reports a case of furuncular myiasis caused by Dermatobia hominis in a domestic dog from Colombia. A male domestic dog, German shepherd breed, of approximately 2 years old was brought for medical consultation. The reason was the presence of one furuncular lesion and discomfort in the patient. Clinical examination revealed a wound over the sacral area similar to an inflammatory papule, with a central punctum exuding a serosanguinous discharge. In the medical examination was applied pressure around the wound, that allowed evidencing a larva inside the tissue. The applied treatment was surgical removal of the larva in the dog. Treatment was complemented with Cephalexin (20 mg / kg, twice a day orally for 7 days), Meloxicam (0.2 mg / kg, once a day orally for 3 days) and cleaning with chlorhexidine, three times a day until removal of points 7 days later. The larva was sent to Parasitology laboratory of the UDES for morphology identification. The larva was identified as Dermatobia hominis.