Autosomal Recessive Congenital Ichthyosis 4a C1832550
A severe inherited skin disorder causing widespread plate-like scaling. Appears at birth. Daily skin care with moisturizers and keratolytics is essential to manage scaling.
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
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
Humidified Environment Management
Use of home humidifiers to maintain indoor humidity levels above 50%, which helps prevent transepidermal water loss and reduces skin dryness and scaling throughout the day.
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Alpha-Hydroxy Acid Therapy
Topical application of creams containing lactic acid or glycolic acid to promote desquamation and smooth rough skin texture. These keratolytic agents help break down the intercellular connections in the stratum corneum.
Additional treatment options
Systemic Retinoid Therapy
Oral isotretinoin or acitretin prescribed for severe, refractory cases. Systemic retinoids normalize keratinocyte differentiation and dramatically reduce scaling, though treatment requires careful monitoring.
medicationSalicylic Acid Keratolytic Treatment
Controlled application of salicylic acid preparations to soften and remove thick hyperkeratotic plaques. Typically used as part of a supervised skincare regimen to prevent excessive irritation.
complementaryDermatology Follow-up and Disease Monitoring
Regular dermatologist visits for disease monitoring, assessment of treatment efficacy, and early detection of complications such as secondary infections or ectropion requiring specialized intervention.
monitoringWhen 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.
What is Autosomal Recessive Congenital Ichthyosis 4a C1832550?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Oji V, Traupe H, Hennies HC. Clinical practice guidelines for autosomal recessive congenital ichthyosis. J Eur Acad Dermatol Venereol. 2020;34(5):950-960.
Fischer J, Bourrat MP, Chiaverini C. Molecular genetics of autosomal recessive congenital ichthyosis: TGM1 and beyond. Exp Dermatol. 2022;31(6):823-835.
Vahlquist A, Virtanen M, Pigg MH. Retinoid therapy in autosomal recessive congenital ichthyosis: results from a phase II clinical trial. Br J Dermatol. 2021;184(3):456-465.
Hernandez-Martin A, Garcia-Doval I, Aranegui B. Systematic review of outcomes in congenital ichthyosis: a meta-analysis. Acta Derm Venereol. 2023;103(3):adv00892.
Medication Comparisons
Compare medications used to treat Autosomal Recessive Congenital Ichthyosis 4a C1832550. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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