“…Traumatic instrumented delivery by forceps remains the most common aetiology of a unilateral presentation of infantile Frey syndrome, typically with a temporal pre‐auricular distribution, whereas bilateral presentations are largely idiopathic or familial 4 . In children, the most prominent symptom is gustatory flushing, where facial sweating and warmth, whilst common in adults, are rarely noted in recently reported cases 4–9 . While the reasoning for a lack of sweating is not well understood, it has been proposed that it may reflect an immaturity of eccrine glands in childhood or a less traumatic mode of injury 10 .…”