Vaccine-induced anaphylaxis in a child with cow's milk allergy: Lactose hydrate was the culprit.

Lactose hydrate was the cause of vaccine-induced anaphylaxis in a child with severe milk allergy. Although the amount of milk protein in lactose-containing vaccines is extremely small, physicians administering such a vaccine must be prepared for the potential risk of severe milk allergy.

[A CASE OF HYPERSENSITIVITY REACTION TO ENOKITAKE (FLAMMULINA VELUTIPES) INGESTION].

We experienced a case of 10-year-old girl who developed hypersensitivity reactions after eating enokitake. The patient had food allergy to egg until 5 years old. When she was 4 years old, she ate enokitake with a hot-pot dish.