Ichthyosis Quiz

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Yukiko Ueda, MD (Dermatology)

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Learn more about Ichthyosis

Content updated on Sep 20, 2022

What is ichthyosis?

This is a condition that leads to thick, dry and scaly skin due to a buildup of dead skin cells. There are many types of ichthyosis. It can be congenital (the person is born with it) and develop as a result of inherited gene mutations, or acquired later in life.

Symptoms of ichthyosis

  • Dry skin that gets worse or cracks in the winter months

  • Skin redness or red bumpy rashes

  • Welts appear when skin is scratched or rubbed

  • Scaly skin that flakes off

  • Blisters

Questions your doctor may ask to check for ichthyosis

Your doctor may ask these questions to diagnose ichthyosis

  • Does your dry skin get worse or crack in the winter months?

  • Do you have red skin or red spots on the skin?

  • Is your skin red in places where it is exposed to friction or irritation?

  • Do you have scaly skin that flakes off?

  • Do you have blisters on your skin?

Treatment for ichthyosis

There is no cure, but with appropriate skincare , symptoms of ichthyosis can usually be managed and kept mild. In most cases, this involves moisturising and exfoliating the affected skin. A doctor may prescribe oral medication to treat the skin.

View the symptoms of Ichthyosis


  • Takeichi T, Akiyama M. Inherited ichthyosis: Non-syndromic forms. J Dermatol. 2016 Mar;43(3):242-51. doi: 10.1111/1346-8138.13243. PMID: 26945532.


  • Limmer AL, Nwannunu CE, Patel RR, Mui UN, Tyring SK. Management of Ichthyosis: A Brief Review. Skin Therapy Lett. 2020 Jan;25(1):5-7. PMID: 32023022.


  • Patel N, Spencer LA, English JC 3rd, Zirwas MJ. Acquired ichthyosis. J Am Acad Dermatol. 2006 Oct;55(4):647-56. doi: 10.1016/j.jaad.2006.04.047. PMID: 17010746.


  • Miao H, Dong R, Zhang S, Yang L, Liu Y, Wang T. Inherited ichthyosis and fungal infection: an update on pathogenesis and treatment strategies. J Dtsch Dermatol Ges. 2021 Mar;19(3):341-350. doi: 10.1111/ddg.14389. Epub 2021 Jan 14. PMID: 33448147.


  • Vahlquist A, Törmä H. Ichthyosis: A Road Model for Skin Research. Acta Derm Venereol. 2020 Mar 25;100(7):adv00097. doi: 10.2340/00015555-3433. PMID: 32147743.


Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD (Dermatology)

From our team of 50+ doctors

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