OBJECTIVE: To describe the management of facial paralysis after viral infection in a patient who is breastfeeding less. Clinical report: a patient is 23 days old, male, with 7 days of evolution of paralysis of the jaw of the left cheek, with manifestation of deviation of labial commissure on the right side that exceeded 24 hours prior consultation with incomplete occlusion of the left eye. Denies convulsions, vomiting, diarrhea, trauma, fever 48 hours before go to the hospital. This table is concomitant to the bronchiolitis. On physical examination was found Fascies: asymmetrical resting at the expense limitation in closing the left eye and deviation of the right lip commissure, and blurring of the left nasolabial folds, decreased muscle tone at rest, tears, low mobility of the eyebrows and forehead. Limitation on closing the right eye. Deviation from the right corner of the lips without changing the mobility of the tongue or soft palate. Investigates infection for STORCH. It is considered diagnosis of facial paralysis after viral infection vs. idiopathic House Brackmann Grade 3, begins Acyclovir Prednisone 40mg/kp/day 2mg/kp/day, Artificial Tears, physiotherapy, eye swab (eye patch). With proper controls in subsequent developments. CONCLUSION: Given an affectation of the facial nerve in a patient who is breastfeeding less, diagnosis is attributed to a viral infection and / or idiopathic must be a discard, therefore we must seek antecedents, infectious or autoimmune pathologies associated congenital bad formations and abnormal hearing.