Prospective Study About Sensitization Pattern to Insects as Food Source in Patients With House Dust Mite Allergy

Inclusion Criteria: * Age: 18 \< x \< 70 * House dust mite sensitization with or without sensitization to seafood * Subject is capable of giving informed consent * Signed informed consent Exclusion Criteria: * Use of antihistamines, systemic corticosteroids during testing and within three days (antihistamines) or two weeks (corticosteroids) prior to testing * Use of immunosuppressive agents * History of cancer except for treated basal cell or spinal cell carcinoma of the skin * Active or recurrent bacterial, fungal or viral infection at the time of enrollment, including patients with evidence of Human Immunodeficiency Virus (HIV) infection, Hepatitis B and Hepatitis C infection, active or untreated latent tuberculosis. * Female patients of childbearing potential who are pregnant or breast feeding or planning a pregnancy during the duration of the trial and/or not practicing acceptable birth control for the duration of the trial * Known or suspected non-compliance, drug or alcohol abuse, * Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant, * Previous enrollment into the current study, * Enrollment of the investigator, his/her family members, employees and other dependent persons,