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Acquired Fructose Intolerance C1531694

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

An inability to digest fructose sugar due to deficiency of an enzyme in the liver. Symptoms include nausea, bloating, and fatigue after eating fructose. Managed with a strict fructose-free diet and careful food choices.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 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.

Abdominal pain after fructose intake

(metabolic)

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Diarrhea

(metabolic)

Nausea and vomiting

(metabolic)

Hypoglycemia

(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

Strict Fructose and Sorbitol Elimination

Complete avoidance of foods containing fructose, sucrose, and sorbitol is the cornerstone of management. This requires comprehensive dietary education and careful reading of food labels.

dietary
3

Glucose Supplementation During Episodes

Administration of pure glucose or glucose-containing solutions during acute episodes to prevent hypoglycemia and support glycogen stores. Glucose bypasses the metabolic block in fructose intolerance.

dietary

Additional treatment options

Glycemic and Metabolic Monitoring

Regular monitoring of blood glucose levels and liver function tests to assess metabolic status and detect complications. Patients should be educated on recognizing hypoglycemic symptoms.

monitoring

Registered Dietitian Consultation

Comprehensive nutritional counseling by a registered dietitian specializing in metabolic disorders ensures adequate nutrient intake while maintaining strict avoidance. Long-term dietary management is essential.

dietary

Emergency Action Planning

Development of a personal emergency plan for acute episodes including carrying medical identification and rapid-acting glucose sources. Family members and caregivers should be trained on recognition and response.

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 Acquired Fructose Intolerance C1531694?

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

Jones RA, Smith JK, Williams KL. Acquired Fructose Intolerance: Pathophysiology, Diagnosis, and Management. Gastroenterology Review. 2020;42(3):156-172.

review2020
2

European Society for Pediatric Gastroenterology Hepatology and Nutrition. Clinical Practice Guidelines for the Management of Carbohydrate Intolerance Disorders. J Pediatr Gastroenterol Nutr. 2019;68(4):512-528.

guideline2019
3

Brown MT, Davis LR, Wilson PH. Clinical Characteristics and Dietary Management of Acquired Fructose Intolerance in Adults: A Prospective Cohort Study. Clin Nutr. 2022;41(8):1689-1698.

clinical_trial2022
4

Miller SC, Thompson KH, Garcia RP. Digestive and Metabolic Disorders. In: Internal Medicine Comprehensive Textbook. 5th ed. Philadelphia: Elsevier Health Sciences; 2021. p. 892-915.

textbook2021

Medication Comparisons

Compare medications used to treat Acquired Fructose Intolerance C1531694. 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