- A 56-year-old woman experienced severe itching and widespread hives after being stung by wasps, which required extensive treatment over 12 weeks with antihistamines and corticosteroids.
- Allergy testing indicated that she had a normal tryptase level and was sensitized to venom from Polistes dominula, a type of wasp.
- The patient began venom immunotherapy specific to Polistes dominula, which successfully prevented any further episodes of hives after treatment.
Cow's milk allergy can result in anaphylactic reactions. The estimated prevalence of cow's milk allergy in developed countries ranges from 0.5% to 3% at age 1 year.