Allergy Asthma Respir Dis.  2025 Jan;13(1):35-38. 10.4168/aard.2025.13.1.35.

Two cases of cat-pork syndrome in adults

• Jang JH
• Sim S
• Jeon HS
• Lee Y
• Park HS

• KMID: 2564819
• DOI: http://doi.org/10.4168/aard.2025.13.1.35

Abstract

Cat-pork syndrome is an uncommon food allergy induced by red meat (pork/beef) that cross-reacts with cat/dog allergens, which is mediated by immunoglobulin E (IgE) response to the cat/dog albumin component. We report 2 cases of cat-pork syndrome occurred in adult pet breeders. They had suffered from allergic rhinitis/atopic dermatitis sensitive to cat/dog dander as well as house dust mites for several years, during which an immediate type of food allergy due to red meats developed whenever taking pork or beef. ImmunoCAP results showed the increased levels of serum-specific IgE to pork and beef allergens (f26, f27) as well as cat and dog dander (e1, e5); moreover, increased level of serum-specific IgE to the cat albumin component (e224) was noted. In conclusion, cat-food allergy can be found in allergic patients among whom are sensitive to cats and dogs and develop food allergy due to red meat.

Keyword

Cats; Dogs; Pork meat; Red meat; Food hypersensitivity