The following are the most important diseases or complications that can be caused by hereditary fructose intolerance:
Blood, blood-forming organs – Immune system (D50-D90).
- Coagulation disorders, unspecified
Endocrine, nutritional, and metabolic disorders (E00-E90).
- De Toni-Fanconi syndrome (synonyms: De Toni-Fanconi complex, glucose-amino acid diabetes) – inherited dysfunction of the energy balance of the proximal tubule cells of the kidney, leading to renal dysfunction and other symptoms: Glucose (dextrose), phosphate and amino acids are reabsorbed to an insufficient extent, causing disturbances in electrolyte balance and pH.
- Metabolic derailment with acidosis (hyperacidity) and hypoglycemia (hypoglycemia).
Liver, gallbladder, and bile ducts-pancreas (pancreas) (K70-K77; K80-K87).
- Acute liver failure
- Liver cirrhosis (liver shrinkage) – liver dysfunction caused by connective tissue remodeling.
Mouth, esophagus (esophagus), stomach, and intestines (K00-K67; K90-K93).
Psyche – nervous system (F00-F99; G00-G99)
- Disturbance of consciousness until coma
Symptoms and abnormal clinical and laboratory findings not elsewhere classified (R00-R99)
- Anorexia (loss of appetite).
- Ascites (abdominal dropsy)
- Failure to thrive / growth retardation
- Icterus (jaundice), unspecified
- Edema (water retention in the tissues), unspecified
- Shock
Genitourinary system (kidneys, urinary tract – reproductive organs) (N00-N99)
- Acute renal failure (ANV)
- Renal insufficiency (kidney weakness)
The following are the main diseases or complications that may be co-morbid due to fructose malabsorption:
Endocrine, nutritional and metabolic diseases (E00-E90).
- Folic acid deficiency
- Vitamin deficiencies, unspecified
- Zinc deficiency
Psyche – nervous system (F00-F99; G00-G99)
Symptoms and abnormal clinical and laboratory findings not elsewhere classified (R00-R99)
Other
- Increased susceptibility to infection due to lack of vitamin C by avoiding fruits/vegetables rich in fructose.
- Inner restlessness
- Irritability
The following are the most important diseases or complications that can be co-conditioned by essential fructosuria:
No information Fructose intolerance patients with watery diarrhea (diarrhea) – Vital substance deficiency (micronutrients).
Vital substance (micronutrients) |
Deficiency symptoms |
Vitamin C |
Weakness of blood vessels leads to
- Abnormal bleeding
- Mucosal bleeding
- Hemorrhage into the muscles associated with weakness in heavily used muscles
- Gingivitis (inflammation of the gums)
- Joint stiffness and pain
- Poor wound healing
Carnitine deficit leads to
- Symptoms of exhaustion, fatigue, indifference, irritability, depression.
- Increased need for sleep, decreased performance.
- Weakness of the immune system with increased risk of infection
- Decreased oxidation protection increases the risk of heart disease, apoplexy (stroke)
Deficiency symptoms in children
- Weakened immune system
- Recurrent infections of the respiratory tract, urinary bladder, and the auditory tube, which is connected to the nasopharynx via the tympanic cavity of the middle ear
Increased risk of vitamin C deficiency disease – Möller-Barlow disease in infancy with symptoms such as.
- Hematomas (bruises)
- Pathological fractures associated with severe pain
- Wincing after every slightest touch – “jumping jack phenomenon”.
- Stagnation of growth
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B vitamins, such as vitamin B1, B2, B3, B5, B6. |
Disorders in the central and peripheral nervous system leads to.
- Nerve disease in the extremities, pain or numbness of the extremities.
- Muscle pain, wasting or weakness, involuntary muscle twitching
- Hyperexcitability of the heart muscle and increase in heart rate (tachycardia); decrease in cardiac output (HMV).
- Memory loss
- General state of weakness
- Impaired collagen synthesis resulting in poor wound healing
- Insomnia, nervous disorders, sensory disturbances.
- Impaired leukocyte (white blood cell) response to inflammation.
- Anemia (anemia) due to decreased production of red blood cells, white blood cells, and platelets (erythrocytopenia; leukocytopenia; thrombocytopenia)
- Decreased production of antibodies
- Impairment of cellular and humoral immune defenses.
- States of confusion, headaches
- Gastrointestinal disorders, stomach pain, vomiting, nausea (nausea).
Deficiency symptoms in children
- Disorders of protein biosynthesis and cell division.
- Disorders of the central nervous system
- Beriberi – disturbance of nervous function and cardiac insufficiency.
- Skeletal muscle atrophy
- Increased risk of cardiac dysfunction and failure
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Folic acid |
Mucosal changes in the mouth, intestines, and urogenital tract lead to
- Indigestion – diarrhea
- Reduced absorption of nutrients and vital substances (macro and micronutrients).
- Weight loss
Blood count disorders
- Anemia (anemia) leads to rapid fatigue, shortness of breath, decreased ability to concentrate, general weakness.
Impaired formation of white blood cells (leukocytes) leads to.
- Reduction of the immune response to infections.
- Decreased antibody formation
- Risk of bleeding due to decreased production of platelets (thrombocytes).
Elevated homocysteine levels increase the risk for
- Atherosclerosis
- Coronary heart disease CHD)
Neurological and psychiatric disorders, such as.
- Memory impairment
- Depression
- Aggressiveness
- Irritability
Deficiency symptoms in children Disturbances in DNA synthesis – limited replication – and decreased cell proliferation increase the risk for
- Malformations, developmental disorders
- Growth retardation
- Maturation disorders of the central nervous system.
- Bone marrow alteration
- Deficiency of white blood cells (leukocytopenia) as well as platelets (thrombocytopenia).
- Anemia (anemia)
- Injuries to the mucosa of the small intestine
- Disorders of protein biosynthesis and cell division
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Vitamin B12 |
- Decreased vision and blind spots
- Functional folic acid deficiency
- Weakened antioxidant protective system
Blood count
- Anemia reduces the ability to concentrate, leads to fatigue, weakness and shortness of breath.
- Reduction of red blood cells, larger than average and rich in hemoglobin (megaloblastic anemia).
- Impaired growth of white blood cells weakens the immune system
- Risk of bleeding due to reduced production of platelets.
Gastrointestinal tract
- Atrophy (tissue atrophy) and inflammation of the mucous membranes.
- Rough, burning tongue
- Reduced absorption of nutrients and vital substances (macro- and micronutrients).
- Anorexia, weight loss
Neurological disorders
- Numbness and tingling of extremities, loss of sensation of touch, vibration and pain.
- Poor coordination of the muscles, muscle atrophy.
- Unsteady gait
- Spinal cord damage
Psychiatric disorders
- Memory disorders, confusion, depression
- Aggressiveness, agitation, psychosis
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Calcium |
Demineralization of the skeletal system increases the risk of
- Decreased bone density
- Osteoporosis, especially in women with estrogen deficiency.
- Osteomalacia – bone softening as well as bone deformities.
- Tendency to stress fractures of the skeletal system.
- Muscle cramps, tendency to spasm, increased muscle contraction.
- Cardiac arrhythmias
- Blood clotting disorders with increased bleeding tendency
- Increased excitability of the nervous system, depression.
Increased risk of
- Hypertension (high blood pressure)
Deficiency symptoms in children
- Impaired development of bones and teeth
- Decreased bone density in the newborn
- Formation of rickets – decreased mineralization of bones with tendency to spontaneous fractures and bone bending.
Symptoms of rickets
- Disturbances in the longitudinal growth of bones
- Deformed skeleton – skull, spine, legs.
- Atypical heart-shaped pelvis
- Delayed retention of deciduous teeth, jaw deformity, malocclusion of teeth.
Additional vitamin D deficiency leads to
- Hyperparathyroidism (hyperparathyroidism) – enlarged parathyroid tissue and increased production of parathyroid hormones.
- Hypercalcemic coma
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Magnesium |
Increased excitability of muscles and nerves leads to
- Insomnia, difficulty concentrating
- Muscle and vascular spasms
- Numbness as well as tingling in the extremities.
- Tachycardia (rapid heartbeat) and other cardiac arrhythmias, feeling of anxiety.
Increased risk of
- Decreased immune response
- Myocardial infarction (heart attack)
- Acute hearing loss
Deficiency symptoms in children
- Growth retardation
- Hyperactivity
- Insomnia, difficulty concentrating
- Muscle tremors, cramps
- Heart palpitations and arrhythmias
- Decreased immune response
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Potassium |
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Chloride |
- Acid-base balance disorders
- Development of metabolic alkalosis
- Severe vomiting with high salt losses
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Zinc |
- Disturbances in the functioning of the immune system
- Inhibition of cellular defense leads to increased susceptibility to infection
- Wound healing disorders and mucosal changes, as zinc is required for connective tissue synthesis
- Increased keratinization tendency
- Acne-like symptoms
- Blood clotting disorders, chronic anemia (anemia).
- Reduction of the sense of smell and taste, reduction of vision, night blindness, sensorineural hearing loss.
- Depression, psychosis, schizophrenia.
Metabolic disorders, such as.
- Weight loss despite increased food intake
- Failure of beta cells in the pancreas – high risk of developing adult-onset diabetes (type 2 diabetes mellitus)
Instead of zinc, the toxic cadmium is integrated into the biological processes, which leads to
- Inflammatory changes in the mucous membranes of the nose and throat.
- Cough, headache, fever
- Vomiting, diarrhea, cramping pain in the abdominal regions.
- Renal dysfunction and increased protein excretion.
- Osteoporosis, osteomalacia
Leads deficiency symptoms in children: Low concentrations of zinc in plasma and white blood cells (leukocytes) cause.
- Malformations and deformities especially of the central nervous system.
- Growth disorders and retardation with delayed sexual development.
- Skin changes in the extremities – hands, feet, nose, chin and ear – and natural orifices.
- Wound healing disorders
- Hair loss
- Acute and chronic infections
- Hyperactivity and learning disability
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