A26.8

Clinical Causes: Contact with infected animals, especially pigs, shellfish, or birds. Handling contaminated animal products such as meat, fish, or poultry. Exposure to environments contaminated with *Erysipelothrix rhusiopathiae* bacteria. Cuts, abrasions, or skin breaks that provide entry points for bacteria. Occupations involving farming, fishing, or meat processing.

Key Symptoms: Localized redness and swelling on the skin, often on the hands or fingers. Pain or tenderness at the affected site. Formation of small blisters or ulcers in some cases. Warmth and increased sensitivity around the infected area. Lymph node swelling near the site of infection. Rare systemic symptoms such as fever or malaise when the infection disseminates.

Diagnosis Path: Diagnosis primarily involves a clinical examination of the affected area, considering patient history related to exposure. Laboratory testing, including culture of skin lesions or blood samples, may be performed to confirm the presence of *Erysipelothrix rhusiopathiae*. Differential diagnoses should be considered to distinguish erysipeloid from other skin infections like cellulitis, herpes, or allergic reactions. Imaging is rarely necessary but may be used if abscess formation or deeper tissue involvement is suspected.

Treatment Protocols: Management of erysipeloid typically includes the use of antibiotics effective against *Erysipelothrix rhusiopathiae*, such as penicillin or amoxicillin. The duration of therapy usually spans 7-14 days, depending on the severity and response. Supportive care may involve rest, elevating the affected limb, and local wound care. In cases of allergic reactions or intolerance, alternative antibiotics like erythromycin may be considered. Early treatment usually results in rapid recovery, preventing complications or systemic spread.