How do I know if I have pellagra?
Symptoms of pellagra include:
- Delusions or mental confusion.
- Diarrhea.
- Weakness.
- Loss of appetite.
- Pain in abdomen.
- Inflamed mucous membrane.
- Scaly skin sores, especially in sun-exposed areas of the skin.
What are the 4 D’s of pellagra?
Pellagra defines systemic disease as resulting from a marked cellular deficiency of niacin. It is characterized by 4 “D’s”: diarrhea, dermatitis, dementia, and death. Diagnosis of pellagra is difficult in the absence of the skin lesions, and is often facilitated by the presence of characteristic ones.
What are the three D of pellagra?
Pellagra is caused by a dietary deficiency of niacin or its precursor, tryptophan. It is clinically characterized by “Three D’s”—dermatitis, diarrhea, and dementia.
What are the signs and symptoms of niacin deficiency?
Niacin Deficiency Symptoms
- thick, scaly pigmented rash on skin exposed to sunlight.
- swollen mouth and bright red tongue.
- vomiting and diarrhea.
- headache.
- apathy.
- fatigue.
- depression.
- disorientation.
Who is most at risk for pellagra?
Niacin is also known as nicotinic acid, or vitamin B3. In the United States, individuals most at risk for developing pellagra are alcoholics, as a result of malnutrition. Both alcoholism and not consuming enough green vegetables, seafood, meat, and eggs commonly cause primary pellagra.
How is the body affected by pellagra?
The main symptoms of pellagra are dermatitis, dementia, and diarrhea. This is because niacin deficiency is most noticeable in body parts with high rates of cell turnover, such as your skin or gastrointestinal tract. Dermatitis related to pellagra usually causes a rash on the face, lips, feet, or hands.
What part of the body is affected most from Keratomalacia?
Keratomalacia usually affects both eyes and is most commonly found in developing countries where the population has a low dietary intake of vitamin A, or a protein and calorie deficiency.
Who is most affected by pellagra?
Pellagra most often is diagnosed in individuals with chronic alcoholism and inadequate nutritional intake, but also develops in malabsorption syndromes. The classic clinical features of pellagra include the triad of dermatitis, diarrhea, and dementia, although most individuals do not have all three features.
How does pellagra affect the brain?
Depression in pellagra may be due to a serotonin deficiency caused by decreased Trp availability to the brain. Anxiety and other neurologic disturbances may be caused by 5-aminolevulinic acid and the Trp metabolite kynurenic acid. Pellagra symptoms are resolved by niacin, but aggravated mainly by vitamin B6.
What happens if your body is low on niacin?
Niacin (vitamin B3) deficiency results in a condition known as pellagra. Pellagra includes the triad of dermatitis, dementia, and diarrhea and can result in death. Niacin deficiency can occur through genetic disorders, malabsorptive conditions, and interaction with certain medications.
What are the complications of pellagra?
Depression, anxiety, delusions, hallucinations, and coma are the neuropsychiatric complications observed in patients with pellagra. The malnourished state associated with pellagra results in death if untreated.
