
Living with Encephalopathy due to sulfite oxidase deficiency
A rare condition that mainly affects the brain and nervous system, causing seizures and shifting of the eye lens.
Understanding Encephalopathy due to sulfite oxidase deficiency
GARD describes this as a rare neurometabolic disorder (a brain and body chemistry condition). It is marked by seizures, brain problems that get worse over time (progressive encephalopathy), and a lens in the eye that has moved out of place. Signs may begin during pregnancy, at birth, or in infancy.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Seizures
- Severe intellectual disability that starts early
- Loss of skills already learned (developmental regression)
- Lens of the eye out of place (ectopia lentis)
- Unusually small head (microcephaly)
- Feeding difficulties in infancy
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include brain and nervous system specialists, eye disease specialists, genetic specialists and seizure and epilepsy specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
- 4Connect with expert centers
Epilepsy Foundation may keep lists of experts for this condition.
Care & treatment
- Care team
- Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Seizure and epilepsy specialists (epileptologist)
- Expert care
- Expert lists: Epilepsy Foundation
- Treatment
- GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
- Research
- Clinical trials and observational studies may be options. See the research section below.
General information, not medical advice. Your care team makes the decisions.
Everyday life
Living with a rare condition is easier with support.
- Connect with Epilepsy Foundation
- Keep notes on symptoms, changes and questions for appointments
- Ask about patient registries that help research
- Look into financial aid and travel resources for care visits
Quick facts
Changes in genes cause this condition. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent.
Patient organizations
- Epilepsy FoundationEpilepsy · United States
Broader rare-disease groups
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Encephalopathy due to sulfite oxidase deficiency.
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