A 5-year-old girl presented with multiple, large-sized, pinkish wheals involving most of the body areas especially the face, arms and hands of 48 hours duration. The eruption associated with severe itching. The mother noted that some lesions appearing while others disappearing within a matter of few hours during the two days of rash persistence. There was negative drug history but one hour prior to the onset she drank banana-flavored milk. There were no fever or other associated systemic symptoms.