Sensitization to cow’s milk protein in a dairy worker

Abstract

Background

Repeated skin exposure and inhalation of milk proteins may lead to IgE-mediated sensitization, normally manifested at the site of contact. Although this is a phenomenon predominantly found in children, it has also been observed in adults.

Aims

To describe a case of a worker who, after being exposed to milk proteins for many years, eventually experienced episodes of anaphylaxis.

Case report

A 62-year-old worker experienced severe episodes of anaphylaxis following the intake of dairy products. He had worked in the dairy industry for 17 years, where he was exposed to dried milk every day.

Conclusions

This case report illustrates how continued exposure to milk proteins, either by skin contact or inhalation, may lead to sensitization which could result in severe manifestations of anaphylaxis.

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