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    Breakfast, lunch, and dinner sign

    From Mdwiki - Reading time: 3 min
    Breakfast, lunch, dinner sign
    Other names: Breakfast, lunch, and supper sign[1]
    Breakfast, lunch, dinner sign
    SpecialtyDermatology
    SymptomsSmall bumps together[2]
    ComplicationsInfection[3]
    CausesInsect bites[2]
    Diagnostic methodAppearance[3]
    PreventionEnvironment controls[3]
    MedicationAntihistamine, steroid cream[3]
    PrognosisGood[3]
    FrequencyCommon[3]

    Breakfast, lunch, and dinner sign refers to a pattern of itchy small bumps in the skin seen following insect bites.[2] Generally three to five appear close together, in a cluster or line, and at the same time.[1][3] Each bump is mostly smaller than 1cm, appear pinkish, and may be surrounded by swelling.[3] The sign is typically seen on exposed parts of the body such as the face, neck, arms, or legs.[3][4]

    The cause is the bites of insects such as fleas and bed bugs.[3] Unable to fly, fleas and bed bugs generally jump or walk to bite, causing the bite marks to appear in a line or just close together.[5][6] An enzyme in the saliva of the insect may cause a local allergic reaction, resulting in a larger bump that is itchy.[3] Diagnosis is by its appearance.[3]

    Treatment includes antihistamines to reduce itch, and applying a steroid cream to reduce redness and swelling.[3] Prevention lies in insect control within the environment.[3] It is common.[3]

    Signs and symptoms[edit | edit source]

    • Bed bug bites

      Bed bug bites

    • Ant bites

      Ant bites

    • Bedbug bites

      Bedbug bites

    • Bedbug bites

      Bedbug bites

    See also[edit | edit source]

    References[edit | edit source]

    1. ↑ 1.0 1.1 Madke, B; Nayak, C (September 2012). "Eponymous signs in dermatology". Indian dermatology online journal. 3 (3): 159–65. doi:10.4103/2229-5178.101810. PMID 23189246.
    2. ↑ 2.0 2.1 2.2 Bolognia, Jean L.; Schaffer, Julie V.; Duncan, Karynne O.; Ko, Christine (2021). "55. Disorders of hyperpigmentation". Dermatology Essentials (2nd ed.). Elsevier. p. 522. ISBN 978-0-323-70971-2. Archived from the original on 2023-08-11. Retrieved 2023-08-09.
    3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 Peres, Gabriel; Yugar, Lara Buonalumi Tacito; Haddad Junior, Vidal (October 2018). "Breakfast, lunch, and dinner sign: a hallmark of flea and bedbug bites". Anais Brasileiros de Dermatologia. 93 (5): 759–760. doi:10.1590/abd1806-4841.20187384. PMID 30156636. Archived from the original on 2023-05-15. Retrieved 2023-07-31.
    4. ↑ Spec, Andrej; Escota, Gerome V.; Chrisler, Courtney; Davies, Bethany (2019). "4. Parasitology". Comprehensive Review of Infectious Diseases. Elsevier. ISBN 978-0-323-56866-1.
    5. ↑ Paller, Amy S.; Mancini, Anthony J. (2020). "18. Infestations, bites, and stings". Paller and Mancini - Hurwitz Clinical Pediatric Dermatology: A Textbook of Skin Disorders of Childhood and Adolescence (6th ed.). St. Louis, Missouri: Elsevier. p. 512. ISBN 978-0-323-54988-2. Archived from the original on 2023-08-11. Retrieved 2023-08-10.
    6. ↑ Eichenfield, Lawrence F.; Frieden, Ilona J.; Mathes, Erin; Zaenglein, Andrea (25 August 2014). Neonatal and Infant Dermatology. Elsevier Health Sciences. p. 212. ISBN 978-1-4557-2639-4. Archived from the original on 14 August 2023. Retrieved 12 August 2023.
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