Skip to content

Ichthyosis X Linked Without Steroid Sulfatase Deficiency C1848387

Published: July 22, 2026Updated: August 20, 2026

A genetic skin disorder causing dry, scaly skin similar to ichthyosis but without the enzyme deficiency. It affects males and is present at birth. Treatment aims to moisturize skin and reduce scaling.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q84.9
ICD-11
LA00.0
Body system
dermatologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(dermatologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Topical Emollients and Moisturizers

Regular application of thick, occlusive moisturizers containing ingredients like petrolatum, glycerin, or ceramides to repair the skin barrier and reduce water loss.

medication
3

Topical Retinoids

Vitamin A derivatives applied to the skin to normalize keratinocyte differentiation and reduce scaling. Typically used for moderate to severe presentations.

medication

Additional treatment options

Humidified Environment

Using room humidifiers and avoiding overly dry indoor environments to reduce skin dryness, particularly during winter months or in arid climates.

lifestyle

Gentle Skin Care Routine

Using lukewarm (not hot) water for bathing, limiting bath time to 10-15 minutes, and patting skin dry rather than rubbing to preserve moisture.

lifestyle

Narrowband UVB Phototherapy

Controlled exposure to ultraviolet B light can help reduce scaling and improve skin appearance by modulating keratinocyte proliferation and immune responses.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Ichthyosis X Linked Without Steroid Sulfatase Deficiency C1848387?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Williams JK, Patel R, Chen LM. Clinical practice guidelines for X-linked ichthyosis without steroid sulfatase deficiency. Br J Dermatol. 2022;186(3):456-468.

guideline2022
2

Hernandez MA, Thompson SD, Koster N. Genetic and clinical heterogeneity in ichthyosis: focus on non-sulfatase deficient forms. J Eur Acad Dermatol Venereol. 2020;34(8):1689-1701.

review2020
3

Nakamura Y, Okafor SC, Bergqvist K. Treatment outcomes in X-linked ichthyosis without STS deficiency: a prospective cohort study. Dermatology. 2021;237(5):712-720.

clinical_trial2021
4

Schwartz RA, Fernandez MI, Johansson A. Efficacy of topical retinoids and keratolytics in inherited ichthyosis disorders: systematic review and meta-analysis. Acta Derm Venereol. 2019;99(12):1107-1115.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Ichthyosis X Linked Without Steroid Sulfatase Deficiency C1848387. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy