Mason Delacroix
Alcohol use disorder (AUD) can lead to severe deficiency in several vitamins and minerals. Chronic alcohol use can cause malnutrition and vitamin deficiencies in several ways. Alcohol abuse can cause vitamin B1 deficiency, also known as thiamine deficiency, which can lead to the life-threatening condition Wernicke's encephalopathy, which can progress to Korsakoff's syndrome, a chronic and disabling condition characterised by severe short-term memory loss, hallucinations and impaired ability to acquire new information. Vitamin B12 deficiency is also common in people with AUD, as alcohol damages the digestive system and makes it difficult for the body to absorb this vitamin. Other vitamin deficiencies associated with AUD include vitamins A, C, D, E, and K, as well as minerals like zinc, magnesium, and selenium.
| Characteristics | Values |
|---|---|
| Vitamin deficiency diseases found in severe alcoholism | Marchiafava-Bignami disease, Wernicke-Korsakoff syndrome, Pellagra, Wernicke's Encephalopathy, Beriberi, and Peripheral neuropathy |
| Vitamins deficient in severe alcoholism | Vitamin A, Vitamin B1 (Thiamine), Vitamin B3 (Niacin), Vitamin B12, Vitamin C, Vitamin D, Vitamin E, Vitamin K, Folate, Pyridoxine, Riboflavin, Magnesium, Zinc, Selenium |
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What You'll Learn
- Thiamine (vitamin B1) deficiency: Wernicke-Korsakoff syndrome, Marchiafava-Bignami disease
- Vitamin B12 deficiency: neurological issues, vision problems, impaired cognition
- Vitamin A deficiency: increased risk of infections, reduced eyesight
- Vitamin C deficiency: linked to ethanol-induced urinary excretion
- Vitamin E deficiency: reduced plasma and erythrocyte levels
Thiamine (vitamin B1) deficiency: Wernicke-Korsakoff syndrome, Marchiafava-Bignami disease
Alcohol use disorder (AUD) can lead to severe deficiencies in several vitamins and minerals. Chronic alcohol use can cause malnutrition and vitamin deficiencies in several ways. Alcohol reduces appetite and makes it harder for the body to process and absorb nutrients.
Thiamine (vitamin B1) deficiency is one of the most common vitamin deficiencies in people with AUD. Thiamine is an essential vitamin that the body uses to convert food into energy. A lack of thiamine can cause brain damage, specifically in the thalamus and hypothalamus, the parts of the brain involved with memory.
Wernicke-Korsakoff syndrome is a brain and memory disorder caused by thiamine deficiency. It is an unusual type of memory disorder that requires immediate treatment. While there is no cure, treatments can help manage symptoms. It is characterized by a wide range of symptoms, including confusion, disorientation, loss of coordination, and confabulation, where the affected person invents information to cover memory loss.
Marchiafava-Bignami disease is another disorder resulting from vitamin B deficiency. It is distinguished from Wernicke-Korsakoff syndrome by the peculiar distribution of cerebral lesions, specifically the symmetrical degeneration of the central portion of the corpus callosum. Neurological pellagra was associated with Marchiafava-Bignami disease and/or Wernicke-Korsakoff disease in 13 out of 22 cases of heavy alcohol drinkers.
To reduce the risk of developing Wernicke-Korsakoff syndrome, it is essential to stop or limit alcohol consumption, improve nutrition, and take thiamine supplements. Proper nutrition and supplementation can also help reduce the risk of vitamin deficiencies associated with alcoholism.
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Vitamin B12 deficiency: neurological issues, vision problems, impaired cognition
Alcoholism can lead to vitamin B12 deficiency, which can cause neurological issues, vision problems, and impaired cognition.
Neurological Issues
Vitamin B12 deficiency can lead to neurological complications such as Marchiafava-Bignami disease, a form of alcoholic thiamine deficiency characterised by symmetrical degeneration of the central portion of the corpus callosum. Neurological pellagra has also been associated with this disease and with Wernicke-Korsakoff syndrome in heavy drinkers. Additionally, folate deficiency, which is common in alcoholics due to inadequate diet and interference of ethanol with nutrient absorption, can contribute to the development of alcoholic polyneuropathy.
Vision Problems
Vitamin B12 deficiency can manifest as optic neuropathy, which may present as optic neuritis or optic atrophy. Optic nerve damage is thought to occur via degeneration, and while ophthalmologic involvement is considered rare, it can be a presenting feature or one of the neurological complications of the deficiency.
Impaired Cognition
Low serum vitamin B12 levels are associated with neurodegenerative diseases and cognitive impairment, including Alzheimer's disease, vascular dementia, and Parkinson's disease. Vitamin B12 therapy has been shown to improve cognition in patients with pre-existing vitamin B12 deficiency, but not in those without. Vegetarianism and metformin use contribute to low vitamin B12 levels and may independently increase the risk for cognitive impairment.
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Vitamin A deficiency: increased risk of infections, reduced eyesight
Vitamin A deficiency is a condition that occurs when the body does not have enough vitamin A to function properly. It is rare in developed countries but is a significant issue in developing nations, particularly in Africa and Southeast Asia. Infants, children, and pregnant or breastfeeding women are the most at risk for vitamin A deficiency.
Vitamin A plays a crucial role in maintaining healthy vision, metabolism, and cell development. A lack of vitamin A can lead to vision problems, including night blindness, dry eyes (xerophthalmia), and, in severe cases, corneal ulcers and even blindness. The cornea can become dry due to a decrease in tear and mucus production, which also increases the risk of infection.
Vitamin A is essential for the health of the eyes, skin, and mucous membranes. It helps keep the skin and the lining of the lungs, intestines, and urinary tract healthy. Additionally, vitamin A supports the immune system in fighting infections. A deficiency can lead to respiratory tract infections and problems with the immune system, making it harder for the body to fight off infections.
Alcohol use disorder (AUD) can lead to severe vitamin A deficiency, particularly in women. Alcohol interferes with the body's ability to absorb nutrients, and heavy alcohol consumption is often accompanied by a poor diet. Vitamin A deficiency in the context of alcoholism can increase the risk of infections and reduce eyesight through the mechanisms described above. Supplementation with vitamin A and other specific vitamins and minerals can help address these deficiencies and support the body's recovery.
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Vitamin C deficiency: linked to ethanol-induced urinary excretion
Alcohol use disorder (AUD) can lead to severe deficiencies in several vitamins and minerals. Chronic alcohol use can lead to malnutrition and vitamin deficiencies in several ways. Firstly, alcohol reduces appetite, and secondly, it makes it harder for the body to process and absorb important nutrients. This is due to the interference of ethanol with nutrient digestion, absorption, and utilization.
Vitamin C deficiency is one such vitamin deficiency that may be found in severe alcoholism. A 2019 study found that a significant portion of individuals with AUD admitted to the intensive care unit (ICU) had vitamin C deficiency, with 42% being severely deficient. Research suggests that vitamin C supplementation should be considered for these individuals.
Vitamin C, also known as ascorbic acid, is normally found in the human body in limited quantities due to its water-soluble nature. Any excess amount is typically excreted from the body. However, in individuals with AUD, excessive urinary excretion of vitamin C occurs due to the presence of ethanol, leading to a further depletion of vitamin C stores. A study found that alcohol in the form of whisky or lager produced a 47% increase in urinary ascorbic acid excretion in normal male volunteers. A similar increase in urinary vitamin C excretion in chronic alcoholics would contribute to the causation of vitamin C deficiency in these patients.
The clinical signs of vitamin C deficiency appear when the body's vitamin C levels drop below 350 mg. Symptoms of scurvy, a disease caused by vitamin C deficiency, appear within 4 to 12 weeks of insufficient vitamin C intake. As scurvy progresses, its symptoms become increasingly severe and life-threatening. Initial symptoms include oral and dental issues such as necrotizing gingivitis, periodontitis, and candidiasis. Advanced ocular manifestations include flame hemorrhages, cotton-wool spots, and retrobulbar bleeding into the optic nerves, resulting in atrophy and papilledema. The immune system becomes compromised, increasing susceptibility to infections. If left untreated, severe scurvy can induce profound weakness, dyspnea, anasarca, hemolysis, jaundice, seizures, organ failure, and ultimately, death.
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Vitamin E deficiency: reduced plasma and erythrocyte levels
Alcohol use disorder (AUD) can lead to severe deficiencies in several vitamins and minerals. Chronic alcohol use can cause malnutrition and vitamin deficiencies in several ways. Firstly, it reduces appetite, and secondly, it impairs the body's ability to process and absorb nutrients.
Vitamin E is one such vitamin that alcoholics are deficient in relative to controls. Before abstinence, vitamin E levels are significantly lower in alcoholics compared with controls, in both plasma and erythrocytes. Vitamin E is an antioxidant that protects liver cells from alcohol-induced oxidative damage and may aid in liver tissue regeneration.
Vitamin E deficiency is uncommon and typically the result of an underlying condition. It can be caused by an extremely low-fat diet, as the body requires fat to absorb vitamin E. It can also be caused by congenital abetalipoproteinemia, familial isolated vitamin E deficiency, or diseases that severely reduce the absorption of fat.
Symptoms of vitamin E deficiency include muscle weakness, coordination difficulties, numbness, vision problems, peripheral neuropathy, and immune system problems. Deficiency can lead to peripheral and motor neurodegenerative diseases, skeletal myopathies, and hemolytic anemia.
In the South Asian population, vitamin E deficiency is common due to the habit of overcooking vegetables, fish, and other food items, which decreases vitamin E content. Studies have also shown that plasma vitamin E levels may vary depending on the type of source of vitamin E intake.
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Frequently asked questions
Wernicke-Korsakoff syndrome is a chronic and disabling condition caused by thiamine (vitamin B1) deficiency. Symptoms include severe short-term memory loss, hallucinations, and impaired ability to acquire new information.
Vitamin B12 deficiency can cause neurological issues such as vision problems, impaired cognition, memory loss, and pins and needles (paraesthesia). It can also lead to peripheral neuropathy, degeneration of the spinal cord, bowel and urinary incontinence, and even depression and paranoia.
Alcohol use disorder (AUD) can lead to severe vitamin and mineral deficiencies due to reduced appetite and the body's decreased ability to process and absorb nutrients. Heavy alcohol consumption also causes inflammation of the stomach lining and digestive tract, further hindering vitamin absorption.
Alcoholics often have deficiencies in vitamins B1 (thiamine), B12, C, and E. They may also have lower levels of vitamin A, vitamin D, folate, and magnesium.
Vitamin deficiencies in individuals with alcoholism can be addressed through supplementation, a nutritious diet, and alcohol abstinence. Thiamine deficiency, for example, can be treated by stopping alcohol consumption, improving diet, and taking vitamin B supplements. However, it is important to note that diet and supplements alone may not be effective if heavy alcohol consumption continues, as alcohol blocks vitamin absorption.
