Understanding Hereditary fructose intolerance: Causes, Symptoms, and Management

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Hereditary fructose intolerance

by Alike Medical Team ∙ Updated on June 13, 2023

General

Hereditary fructose intolerance is a rare metabolic genetic condition, caused by absence in an enzyme that helps to break down fruit sugar. People with this condition may suffer hypoglycemia due to indigestion of fruit sugar. The condition may vary in its severity and may be mild or very severe.

22 people with Hereditary fructose intolerance

Learn from others who are experiencing Hereditary fructose intolerance.

Signs & symptoms

Symptoms may include poor feeding as a baby, irritability, jaundice, vomiting, convulsions, sleepiness, and fruit intolerance.

Diagnosis

Diagnosis could be challenging and is based upon findings from medical history and physical examination. Further evaluation may include genetic testing.

Treatment

Treatment includes elimination of fructose and sucrose from the diet, which is effective for most people.

Note

☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.

National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention

☝ All information has been reviewed by certified physicians from Alike

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