Idiopathic Bell's Palsy in a Five-Week-Old Infant: A Case Report.

Bell's palsy is a paralysis on one side of the face due to inflammation of the seventh cranial nerve and most often has an idiopathic etiology. This case presents a five-week-old male who was noted to have a left-sided facial asymmetry. Pathological etiologies were ruled out, but the findings were inconclusive, and the patient was ultimately discharged on a course of oral prednisolone. This report highlights the youngest documented case of idiopathic Bell's palsy, detailing the diagnostic challenges and successful treatment approach that led to complete recovery.