Sex hormone allergy as a clinical syndrome has been known for almost a century. Due to the diversity of clinical presentation regarding symptoms and disease patterns, the optimal patient care represents an enormous interdisciplinary challenge. Frequently, hypersensitivity reactions affect more than one sex hormone and double positive tests for estrogen and progesterone have been described. Since the menstrual cycle dependent symptoms range from skin afflictions, gynecological problems to non-specific reactions, different pathophysiological mechanisms seem likely. Various desensitization protocols are described as causal treatment options, but are rarely applied in clinical routine. Consequently, major research efforts with a quick translation of therapeutic interventions into clinical practice will be crucial to help affected patients in the future.
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