Urticaria is a common disease in children. But there are few case reports in neonatal period. Urticaria has many causes, unfortunately it can not be figured out in some of the cases. Drug and food allergies, infections are common reasons that have been commonly shown. IgE-mediated food allergy should be considered in patients with acute urticaria and / or angioedema after food intake. Here we present a case of acute urticaria due to cow's milk protein allergy in the newborn period.
A 21-day-old male patient was admitted to our emergency department with the complaint of widespread rash on the body which started one day earlier.Medical history hasrevealed that he did not have a different drug intake before the onset of complaints, had no previous rashes, upper respiratory tract infection or other infective-inflammatory disease since birth. His parents did not admit to another hospital.We collected blood tests for food allergy. Total IgE: 38 IU/L and Cow's milk protein-specific IgE (f2): 2.26 kU /L were found to be suspicious for food allergy. According to these results, the formula which the baby was treated before has been stopped and extensively hydrolyzed formula has been started. After 12 hours, urticaria had started to fade. While going on our treatment, on 5th day the urticaria lesions totally disappeared.
Although urticaria is a common disease, it is rarely reported in patients under six months. We want to emphasize that food allergies may be considered in cases presenting with urticaria in neonatal period.
Key words: Cows milk allergy, urticaria, newborn
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