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|Onychomadesis following hand foot and mouth disease|
|Symptoms||Loss of one or more nails|
Onychomadesis is a loss of nail. It typically occurs in one nail when due to trauma, or in multiple nails due to systemic disease. The nail generally totally detaches with a new nail then appearing.
It is a periodic idiopathic shedding of the nails beginning at the proximal end, possibly caused by the temporary arrest of the function of the nail matrix.: 784 : 660 One cause in children is hand, foot, and mouth disease.
Onychomadesis can also occur if the nail is damaged or suffers a loss of blood supply; for example, due to a bruise. The nailbed turns black, and the nail drops off shortly afterwards. It takes around 6 to 12 months to regrow.
This generally resolves without complication.
- ↑ 1.0 1.1 1.2 Bellet, Jane Sanders (2021). "Paediatric nail disorders". In Lipner, Shari (ed.). Nail Disorders: Diagnosis and Management, An Issue of Dermatologic Clinics. Philadelphia: Elsevier. p. 232. ISBN 978-0-323-70923-1. Archived from the original on 2022-07-03. Retrieved 2022-07-01.
- ↑ Berker, David de (2019). "20. Diseases of the nails". In Morris-Jones, Rachael (ed.). ABC of Dermatology (7th ed.). Hoboken: Wiley Blackwell. p. 167. ISBN 978-1-119-48899-6. Archived from the original on 2022-05-16. Retrieved 2022-05-16.
- ↑ James WD, Berger TG, Elston DM (2006). Andrew's diseases of the skin: clinical dermatology (10th ed.). Philadelphia: Saunders Elsevier. ISBN 978-0-8089-2351-0.
- ↑ Freedberg IM, Fitzpatrick TB (2003). Fitzpatrick's dermatology in general medicine (6th ed.). New York, NY: McGraw-Hill. ISBN 978-0-07-138076-8.
- ↑ Bernier V, Labrèze C, Bury F, Taïeb A (November 2001). "Nail matrix arrest in the course of hand, foot and mouth disease". European Journal of Pediatrics. 160 (11): 649–51. doi:10.1007/s004310100815. PMID 11760019.