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Knowledge Centre / Thiamine (Vitamin B1) Deficiency

Thiamine (Vitamin B1) Deficiency

Overview of Beriberi and Wernicke's encephalopathy.

Reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP (General Practitioner)
Last reviewed: 21 October 2025
NutritionNeurologyCardiology

Clinical Guidelines

CKS: Alcohol - problem drinking
National
ACOG Practice Bulletin No. 189: Nausea and vomiting of pregnancy
Local
EFNS guidelines for diagnosis, therapy and prevention of Wernicke encephalopathy
Local
Guidelines for the Management of Alcohol Dependence and Acute Withdrawal (includes thiamine deficiency management)
Local

Recent iatroX Q&As

  • What are the key clinical features to consider when diagnosing thiamine deficiency in a patient presenting with neurological symptoms?Updated: 8/22/2025
  • How can I differentiate between Wernicke's encephalopathy and other causes of acute confusion in a patient with a history of alcohol use?Updated: 8/22/2025
  • Which patients with suspected thiamine deficiency should be referred for specialist assessment or further investigation?Updated: 8/22/2025
  • What dietary advice should I provide to patients at risk of thiamine deficiency, particularly those with alcohol dependence?Updated: 8/22/2025
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