Overview
Harrod syndrome is an extremely rare genetic condition that affects multiple body systems. It was first described in the medical literature and is characterized by a combination of intellectual disability, distinctive facial features, and skeletal abnormalities. People with Harrod syndrome may have short stature, unusual facial appearance, and problems with bone and joint development. The condition can also affect the nervous system, leading to delays in reaching developmental milestones such as walking and talking. Because Harrod syndrome is so rare, with only a handful of cases reported in the medical literature, our understanding of the full range of symptoms and the best approaches to treatment remains limited. There is currently no cure for Harrod syndrome. Treatment focuses on managing individual symptoms and supporting the person's development and quality of life. This may include physical therapy, occupational therapy, speech therapy, and special education services. Regular follow-up with multiple specialists is important to monitor for complications and adjust care as needed. Genetic counseling is recommended for affected families to understand the risk of the condition occurring in future pregnancies.
Also known as:
Key symptoms:
Intellectual disabilityShort statureDistinctive facial featuresSkeletal abnormalitiesDelayed developmentLow muscle toneJoint problemsSpeech delaysCraniosynostosis or unusual skull shapeFeeding difficulties in infancy
Clinical phenotype terms (26)— hover any for plain English
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Harrod syndrome.
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Specialists
View all specialists →No specialists are currently listed for Harrod syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Harrod syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What specific tests can confirm or further clarify the diagnosis?,What therapies and early intervention services do you recommend for my child?,How often should we schedule follow-up visits with specialists?,Are there any complications we should watch for as my child grows?,Is genetic testing available that could identify the exact cause?,What is the expected developmental outlook for my child?,Should other family members be tested or receive genetic counseling?
Common questions about Harrod syndrome
What is Harrod syndrome?
Harrod syndrome is an extremely rare genetic condition that affects multiple body systems. It was first described in the medical literature and is characterized by a combination of intellectual disability, distinctive facial features, and skeletal abnormalities. People with Harrod syndrome may have short stature, unusual facial appearance, and problems with bone and joint development. The condition can also affect the nervous system, leading to delays in reaching developmental milestones such as walking and talking. Because Harrod syndrome is so rare, with only a handful of cases reported in
How is Harrod syndrome inherited?
Harrod syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Harrod syndrome typically begin?
Typical onset of Harrod syndrome is neonatal. Age of onset can vary across affected individuals.