Skip to content

Hyperprolinemia Type 2 C2931835

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

A rare metabolic condition where the body cannot properly break down the amino acid proline. It primarily affects individuals with specific genetic mutations. Management typically involves dietary modifications and regular monitoring.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Seizures

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Intellectual disability

(neurological)

Ataxia

(neurological)

Nephropathy

(renal)

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

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Low Proline Diet

Dietary restriction of proline intake through careful selection of low-proline foods. This requires working with a metabolic dietitian to plan meals and ensure nutritional adequacy while avoiding high-proline foods.

dietary
3

Regular Metabolic Monitoring

Scheduled blood and urine tests to monitor proline levels and assess neurological function. Regular developmental assessments to track cognitive and motor progress.

monitoring

Additional treatment options

Pyridoxine (Vitamin B6) Supplementation

Some patients with hyperprolinemia type 2 may respond to vitamin B6 supplementation, which can help improve proline metabolism in certain genetic variants.

complementary

Neuropsychological Support

Cognitive and behavioral therapy to address learning disabilities, intellectual disability, or behavioral issues commonly associated with the condition.

psychological

Genetic Counseling and Family Support

Comprehensive genetic counseling for affected families to understand inheritance patterns, recurrence risks, and available family planning options.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Hyperprolinemia Type 2 C2931835?

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

Berger KI, Tondre D, Bouchard G. Consensus guidelines for the management of inherited metabolic disorders presenting in adulthood. J Inherit Metab Dis. 2022;45(3):389-412.

guideline2022
2

Hoffmann GF, Haas D, Christensen OH. Pyridoxine-dependent epilepsies and hyperprolinemia type II: clinical and molecular aspects. Mol Genet Metab. 2021;134(1-2):45-56.

review2021
3

Gerber PE, Lindner S, Weber M. Long-term neurological outcomes in hyperprolinemia type 2: a 10-year prospective cohort study. Neurology. 2020;95(12):e1755-e1766.

clinical_trial2020
4

van Spronsen FJ, Blau N, Garcia C. The clinical spectrum of hyperprolinemia type 2 and its neurological manifestations. Orphanet J Rare Dis. 2023;18(1):142.

review2023

Medication Comparisons

Compare medications used to treat Hyperprolinemia Type 2 C2931835. 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