Create issue ticket

13 Possible Causes for Vitamin B12 Deficiency due to Intestinal Malabsorption

  • Pernicious Anemia

    The gene responsible for anemia due to the intestinal malabsorption of vitamin B12 has been tracked to sites on chromosome 14 (14q32) and 10 (10p12.1).[rarediseases.org] The gene responsible for anemia due to intrinsic factor deficiency has been tracked to a location on chromosome 11 (11q13).[rarediseases.org]

  • Psychosis

    Psychoanal Rev. 2017 Oct;104(5):541-560. doi: 10.1521/prev.2017.104.5.541. Abstract The author explores the intersubjective aspect of the devolution of melancholia into psychosis, particularly as it involves the unconscious intersubjective role of the mother. The author considers the possibility that maternal inability to[…][ncbi.nlm.nih.gov]

  • Megaloblastic Anemia

    BACKGROUND/AIMS: Thiamine-responsive megaloblastic anemia syndrome is a rare autosomal recessive disorder resulting from mutations in SLC19A2, and is mainly characterized by megaloblastic anemia, diabetes, and progressive sensorineural hearing loss. METHODS: We study a Chinese Zhuang ethnicity family with[…][ncbi.nlm.nih.gov]

  • Subacute Combined Degeneration of Spinal Cord

    Subacute combined degeneration of spinal cord, also known as Lichtheim's disease, refers to degeneration of the posterior and lateral columns of the spinal cord as a result of vitamin B12 deficiency (most common), vitamin E deficiency, and copper deficiency. It is usually associated with pernicious anemia. The onset is[…][en.wikipedia.org]

  • Lambert Eaton Myasthenic Syndrome

    Eur J Paediatr Neurol. 2009 Mar;13(2):194-6. doi: 10.1016/j.ejpn.2008.03.006. Epub 2008 Jun 30. Author information 1 Department of Neurology, Medical University of Warsaw, Poland. akostera@amwaw.edu.pl Abstract Lambert-Eaton myasthenic syndrome (LEMS) is a rare autoimmune disorder of the neuromuscular junction. LEMS[…][ncbi.nlm.nih.gov]

  • Vitamin B12 Deficiency

    Reduced intake: Strictly vegetarian/vegan/macrobiotic diet Breastfeeding by a mother with an untreated vitamin B12 deficiency, or by a mother following one of the above diets[stichtingb12tekort.nl] Untreated phenylketonuria (a genetic condition) Malabsorption: Insufficient or no intrinsic factor due to: autoimmune pernicious anaemia, surgical removal of part of the[stichtingb12tekort.nl] intestine (bowel resection), absent/abnormal formation of intrinsic factor (hereditary) Reduced stomach acid, for example by long term treatment with acid reducing medications[stichtingb12tekort.nl]

  • Congenital Vitamin B12 Deficiency

    (insufficient vitamin B12 is absorbed by the intestines) due to insufficient production of intrinsic factor (a protein that is synthesized in the gastric mucosa and that[hevert.com] The gene responsible for anemia due to the intestinal malabsorption of vitamin B12 has been tracked to sites on chromosome 14 (14q32) and 10 (10p12.1).[rarediseases.org] Reduced intake: Strictly vegetarian/vegan/macrobiotic diet Breastfeeding by a mother with an untreated vitamin B12 deficiency, or by a mother following one of the above diets[stichtingb12tekort.nl]

  • Paresthesia

    Anesth Analg. 2005 Oct;101(4):1212-4, table of contents. Author information 1 Department of Anesthesiology and Pain Medicine University of Alberta, 8-120 Clinical Sciences Building, Edmonton, Alberta, Canada T6G 2G3. btsui@ualberta.ca Abstract We discuss the etiology of a delayed spinal cord injury after epidural[…][ncbi.nlm.nih.gov]

  • Folic Acid Deficiency

    Vitamin B12 deficiency may be due to lack of IF secretion by gastric mucosa (eg, gastrectomy, gastric atrophy) or intestinal malabsorption (eg, ileal resection, small intestinal[mayomedicallaboratories.com] Vitamin B12 deficiency frequently causes macrocytic anemia, glossitis, peripheral neuropathy, weakness, hyperreflexia, ataxia, loss of proprioception, poor coordination, and[mayomedicallaboratories.com] The body uses its vitamin B12 stores very economically, reabsorbing vitamin B12 from the ileum and returning it to the liver; very little is excreted.[mayomedicallaboratories.com]

  • Methylmalonic Acidemia with Homocystinuria Type cblJ

    In the elderly, cobalamin deficiency is often due to intestinal malabsorption, impaired digestion, or poor diet.[clinlabnavigator.com] […] of cobalamin (vitamin B12) or folic acid.[clinlabnavigator.com] In adults, moderately time elevated values indicate a likely cobalamin deficiency.[clinlabnavigator.com]

Further symptoms