Bacterial skin infections in dogs are most often caused by Staphylococcus pseudintermedius and occur frequently in patients with atopic dermatitis. Diagnosis relies on lesion appearance, cytology and, when indicated, bacterial culture and sensitivity, particularly in cases of recurrence or suspected resistant strains. Treatment emphasizes topical therapy as first-line, with systemic antibiotics reserved for more severe cases, alongside careful antimicrobial stewardship. In addition, non-pharmacologic options such as Phovia fluorescent light therapy, hyperbaric oxygen, and cold plasma are emerging adjunctive treatments that may help reduce bacterial burden and improve healing. Long-term management requires controlling the underlying cause, supporting the skin barrier, and practical topical therapy.
