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Trichothiodystrophy Type 1 C1848413

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

A genetic disorder causing brittle, sulfur-deficient hair along with skin scaling and potentially neurological symptoms. Supportive care manages symptoms and improves quality of life.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(dermatologic)

Significant symptoms that substantially affect daily functioning.

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

Integrated clinical monitoring

Systematic monitoring of growth, development, and organ function through regular comprehensive evaluations. Coordinates care across dermatology, neurology, and pediatrics.

monitoring
2

Medication management with follow-up care

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Enhanced nutritional support

High-protein diet with targeted supplementation of zinc, selenium, and essential fatty acids to support brittle hair and nail health and overall metabolic function.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Trichothiodystrophy Type 1 C1848413?

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

Moseley K, Bergmann N, Farrant M. Trichothiodystrophy Type 1: Clinical Features and Genetic Basis. Orphanet J Rare Dis. 2022.

review2022
2

The Genetic Skin Disease Consortium. Management Guidelines for Trichothiodystrophy. Br J Dermatol. 2021.

guideline2021
3

Kobayashi T, Schmidt-Sidor B, O'Neill J. Long-term Outcomes in Trichothiodystrophy Type 1 Patients: A Prospective Cohort Study. J Invest Dermatol. 2023.

clinical_trial2023
4

Hernandez M, Takayama Y, Chen L, Wallace S. Neurological Manifestations in Trichothiodystrophy: A Systematic Review. Clin Neurol Neurosurg. 2020.

review2020

Medication Comparisons

Compare medications used to treat Trichothiodystrophy Type 1 C1848413. 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