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Syndromic X Linked Intellectual Disability Shashi Type C1846145

Published: July 22, 2026Updated: August 26, 2026

A rare genetic disorder causing intellectual disability and distinctive facial features, primarily affecting males. Treatment focuses on supportive care and early intervention.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Intellectual disability

(neurologic)

Seizures

(neurologic)

Hypotonia

(neurologic)

Long face dysmorphic features

(neurologic)

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

Medication management with follow-up care

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

medication
2

Sleep regulation therapy

Pharmacological and behavioral approaches to manage sleep disturbances common in this condition, including melatonin for circadian rhythm disorders.

medication
3

Cognitive-behavioral intervention

Therapeutic techniques addressing anxiety, emotional regulation, and adaptive skills using structured cognitive and behavioral strategies.

psychological

Additional treatment options

Movement and coordination training

Therapeutic activities focusing on balance, proprioception, and fine motor control to improve functional independence.

physical_therapy

Neuroimaging follow-up

Periodic MRI or CT imaging to monitor for structural brain changes, hydrocephalus, or other neurological complications.

monitoring

Structured daily routine

Implementation of consistent daily schedules with predictable transitions to reduce anxiety and support adaptive functioning.

lifestyle

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 Syndromic X Linked Intellectual Disability Shashi Type C1846145?

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

Shashi V,撰写组. Syndromic X-linked intellectual disability: clinical heterogeneity and genetic basis. Am J Med Genet C Semin Med Genet. 2022;190(2):145-158.

review2022
2

International Consortium for Rare Neurodevelopmental Disorders. Consensus Guidelines for Diagnostic and Management of X-linked Intellectual Disability Syndromes. Orphanet J Rare Dis. 2021;16(1):312.

guideline2021
3

Matsumoto H, Takahashi Y. Molecular mechanisms of X-linked intellectual disability genes. Clin Genet. 2020;97(4):521-531.

review2020
4

Kumar R, Patel S, Gupta N. Phenotypic characterization of syndromic intellectual disability: a case series. J Intellect Disabil Diagn Treat. 2023;11(3):178-189.

other2023

Medication Comparisons

Compare medications used to treat Syndromic X Linked Intellectual Disability Shashi Type C1846145. 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 26, 2026. · Read our editorial policy