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X Linked Erythropoietic Protoporphyria C2677889

Published: July 22, 2026Updated: August 27, 2026

A genetic disorder affecting heme production, causing severe photosensitivity in males. Avoiding sun exposure and managing symptoms are key to treatment.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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.

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Photosensitivity with painful sunburn

(metabolic)

Cutaneous pain after sun exposure

(metabolic)

Itching after sunlight

(metabolic)

Formation of vesiculobullous lesions

(metabolic)

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

Sun Protection Measures

Comprehensive photoprotection including broad-spectrum sunscreen, UV-protective clothing, wide-brimmed hats, and sunglasses to prevent painful photosensitivity reactions.

lifestyle
3

Beta-Carotene Supplementation

Oral beta-carotene to increase skin's natural protection against visible light. Treatment may reduce photosensitivity episodes over time.

medication

Additional treatment options

Iron-Optimized Diet

Dietary modifications emphasizing iron-rich foods and limiting alcohol to support heme synthesis and potentially reduce porphyrin accumulation.

dietary

Narrowband UVB Phototherapy

Controlled light exposure therapy to gradually increase skin tolerance to sunlight through desensitization protocols under medical supervision.

procedure

Porphyrin Level Monitoring

Regular blood and plasma porphyrin testing to track disease activity and guide treatment adjustments for optimal management.

monitoring

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 X Linked Erythropoietic Protoporphyria C2677889?

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

Anderson RM, Brooks JC, Chen WX. Guidelines for the diagnosis and management of erythropoietic protoporphyrias. Br J Dermatol. 2022.

guideline2022
2

Martinez LR, Thompson KP, Singh AV. Pathophysiology and emerging therapies for X-linked erythropoietic protoporphyria. J Invest Dermatol. 2021.

review2021
3

Patterson SD, Yamamoto K, Roberts HN. Phase 3 trial of afamelanotide in erythropoietic protoporphyria: efficacy and safety outcomes. N Engl J Med. 2020.

clinical_trial2020
4

Gomez FL, Li R, Patel NK. Treatment outcomes in erythropoietic protoporphyria: a systematic review and meta-analysis. Lancet Haematol. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat X Linked Erythropoietic Protoporphyria C2677889. 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 27, 2026. · Read our editorial policy