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Abstract: The syndrome of kiss-induced allergy (KIA) is an original form of allergy by proxy. Its true prevalence, probably underestimated, is not known but is reported to be between 1 and 10% in individuals suspected of being or actually allergic to food. The symptoms of KIA, local or regional, mild or moderate in 70% of the cases, can also turn out to be severe, with angioedema, bronchospasm, acute respiratory distress or anaphylaxis. FIA should be considered systematically in the following circumstances: 1) In pollen allergic patients who have an oral allergy reaction to fruits and vegetables; 2) patients who have severe food allergy and react to very small amounts of the responsible allergen; and 3) those who are having an “idiopathic” anaphylactic reaction. The diagnosis, above all clinical, requires a very careful history, noting that the symptoms appeared within minutes after a kiss. The time between eating the allergen and the kiss can be quite variable, from a few minutes up to two hours. Any food can be responsible, for example, common fruit (apple and kiwi), dried nuts (peanuts, almonds, hazel nuts, exotic nuts), fish, seafood, eggs, cow milk, etc. KIA may occur at any age. According to the circumstances, one can distinguish an FIA as a “lover''s kiss” or a “good night kiss”. Patients and their families must be informed of the risks they face. The symptoms, which can begin in just a few minutes after the kiss, are most often local and/or regional (70% of the time), and they usually respond well to antihistamines sometimes accompanied by an oral corticosteroid. Systemic manifestations such as bronchospasm or anaphylaxis (in 30% of the cases) raise the possibility of a fatal outcome, which justifies calling FIA “the kiss of death”. For patients at greatest risk, preventive measures (such as an individualized treatment program at school, autoinjectable adrenalin syringe, etc) must be considered. [Copyright &y& Elsevier]

After having evoked the question of the motor representation and listed some actual reflexions about the baby’s body, the author proposes to understand the (smacking) kiss as a psychic negation’s precursor. [Copyright &y& Elsevier]

Sexual activity may on occasion be associated with local trauma, infections or allergies. During visits, patients may be reluctant to report on the circumstances leading to such lesions. The dermatologist may be unfamiliar with these manifestations, especially where they occur outside the genital area. Our aim is to present the spectrum of genital and extra-genital signs associated with sexuality. The dermatologist must feel sufficiently confident to broach the patient's sexual history in order to avoid any diagnostic errors and unnecessary explorations., (Copyright © 2020 Elsevier Masson SAS. All rights reserved.)