52 Possible Causes for Lichenification in USA

  • Insect Bite

    This is called "lichenification."[1]

  • Atopic Dermatitis

    It is manifested by lichenification, excoriation, and crusting, mainly on the flexural surfaces of the elbow and knee. … All stages are characterized by xerosis, fissures, pruritus, and lichenification. … Like affected children, adults also commonly have lichenification of the flexures and facial dermatitis.[2] [3]

  • Erythropoietic Protoporphyria

    After repetitive exposure, patients may present with lichenification, hypopigmentation, hyperpigmentation and scarring of the skin. … Although blistering of the skin is rather uncommon, repeated exposure can lead to lichenification, loss of nail lunulae, development of pseudovesicles and other chronic skin … Multiple episodes of acute photosensitivity may lead to chronic changes of sun-exposed skin (lichenification, leathery pseudovesicles, grooving around the lips) and loss of[4] [5] [6]

  • Stasis Dermatitis

    Eczematization is the thickening of the skin with lichenification. … Eczematous changes (peeling and flaking) and lichenification (hardening of the epidermis) can be treated with skin softening agents. … Lichenification describes crusting and layering of the skin that occurs when the normal exfoliative properties of the skin are disrupted by chronic swelling.[7]

  • Acanthosis Nigricans

    Lesions can develop into severe areas of hyperpigmentation, with marked lichenification, hair loss, and seborrhea. … In primary acanthosis nigricans, secondary inflammatory lesions (ie, lichenification) most commonly develop as a result of conformational friction. … Wisconsin-Madison Acanthosis Nigricans Overview of Acanthosis Nigricans Acanthosis nigricans is a clinical reaction in dogs characterized by axillary and inguinal hyperpigmentation, lichenification[8]

  • Prurigo Nodularis

    Chronic and repetitive scratching, picking, or rubbing of the nodules may result in permanent changes to the skin, including nodular lichenification, hyperkeratosis, hyperpigmentation … Patients with this condition resort to repetitive itching and scratching which leads to lichenification and hyperkeratosis.[9] [10]

  • Lichen Simplex Chronicus

    itching chronic dermatosis with circumscribed lichenified lesions, which are due to rubbing and scratching of the skin previously apparently normal, the so-called primary lichenification … There is no known predisposing skin disorder and underlying cause of the development of the lichenification but it could develop as a secondary process due to a chronic eczematous … This constant process leads to lichenification.[11] [12]

  • Contact Dermatitis

    In cumulative irritant dermatitis hyperkeratosis, lichenification and fissures predominate, leading to pain and itching, but erythema and vesicles may also be present. … Frequently occurring or persistent episodes of acute contact dermatitis often become chronic, with thickening associated with lichenification, scaling, and fissuring. … Seasonal allergies Asthma Other dermatologic problems Surgery Family history Atopy Psoriasis Other chronic skin conditions Examination Morphology of lesions (erythema, eczema, lichenification[13] [14]

  • Tinea Cruris

    In addition, scratch dermatitis and lichenification can occur. … In addition, scratch dermatitis and lichenification can occur. … Associated pruritus leads to morbidity resulting from lichenification, secondary bacterial infection, and irritant and allergic contact dermatitis caused by topically applied[15] [16] [17]

  • Papular Urticaria

    Chronic scratching can lead to lichenification or prurigo nodularis.[18]

Further symptoms

Similar symptoms


  1. Insect Bites and How to Deal with Them, http://www.medicalnewstoday.com/articles/174229.php
  2. Atopic Dermatitis, http://www.clevelandclinicmeded.com/medicalpubs…
  3. 2017 ICD-10-CM Diagnosis Code L20.9 : Atopic dermatitis, unspecified, http://www.icd10data.com/ICD10CM/Codes/L00-L99/…
  4. Erythropoietic Protoporphyria, Autosomal Recessive - GeneReviews®, http://www.ncbi.nlm.nih.gov/books/NBK100826/
  5. Erythropoietic Protoporphyria, https://www.symptoma.com/en/info/erythropoietic…
  6. Erythropoietic protoporphyria, https://en.wikipedia.org/wiki/Erythropoietic_pr…
  7. Venous Stasis and Venous Ulceration | Lower extremity venous disease, http://www.myfootshop.com/article/venous-stasis…
  8. Overview of Acanthosis Nigricans - Integumentary System, http://www.msdvetmanual.com/integumentary-syste…
  9. Prurigo nodularis, https://en.wikipedia.org/wiki/Prurigo_nodularis
  10. Prurigo Nodularis, https://www.symptoma.com/en/info/prurigo-nodularis
  11. Lichen Simplex Chronicus, https://www.symptoma.com/en/info/lichen-simplex…
  12. Lichen simplex chronicus | SpringerLink, http://link.springer.com/chapter/10.1007%2F978-…
  13. Contact Dermatitis and Related Conditions, http://www.clevelandclinicmeded.com/medicalpubs…
  14. Irritant contact dermatitis, http://eczema.dermis.net/content/e03typesof/e02…
  15. Tinea Cruris: Background, Pathophysiology, Epidemiology, http://emedicine.medscape.com/article/1091806-overview
  16. Tinea Cruris - Dermatologic Disorders, http://www.msdmanuals.com/professional/dermatol…
  17. Tinea Cruris - Dermatologic Disorders, https://www.merckmanuals.com/professional/derma…
  18. Papular urticaria, http://www.skincareguide.ca/glossary/p/papular_…