Pelagra je bolest vitaminske deficijencje, koja je najčešće uzrokovana hroničnim nedostatkom nijacina (vitamina B 3) u ishrani. Ona može da bude uzrokava umanjenim unosim niacina ili triptofana, [1] kao i prekomernim unosim leucina. [2] Bolest takođe može da bude rezult promena proteinskog metabolizma usled poremećaja kao što je ...Pellagra is a preventable and easily treatable condition when recognised, typically manifesting with non-specific symptoms such as dermatitis, diarrhoea and altered cognition. Prompt diagnosis and management is important given the morbidity of this condition and the impact on patient well-being. The discovery of nutritional deficiencies …Dec 21, 2023 · Severe deficiency leads to pellagra, which is characterized by dermatitis, dementia, diarrhea, and eventually death. Lean meat, poultry, fish, and peanuts are rich in vitamin B3 (niacin); milk and eggs are rich sources of tryptophan, the precursor of niacin. Deficiency of vitamins B2 (riboflavin) and/or B6 (pyridoxine) reduces the synthesis of ... Summary. Pellagra is a condition that occurs due to a lack of vitamin B3, otherwise known as niacin. Pellagra can cause symptoms such as diarrhea, dermatitis, …Sep 20, 2004 · Pellagra, a disease caused by a dietary deficiency in vitamin B (niacin), was seen in the southern United States after the Civil War (1861-65). In the early 1900s it was thought to be an infectious disease, but studies conducted by public health physician Joseph Goldberger at the Milledgeville State Hospital (later Central State Hospital) in […] Pellagra Causes. The condition may arise due to: Reduced consumption of niacin. Lower intake of tryptophan. Excessive alcohol intake for many years. Excessive consumption of Leucine. Gastrointestinal disorders. Deficiency of Lysine, an amino acids. Changes in protein metabolism, due to diseases like Carcinoid Syndrome.Hyperpigmentation, hyperkeratosis, and thickening of skin. Dark red or purplish eruption followed by desquamation. Lesions are usually bilateral and symmetrical involving areas …Pellagra is a form of malnutrition caused by a severe deficiency of niacin (also known as nicotinic acid or vitamin B3) in the diet. The disease affected thousands of Arkansans and other Southerners in the late nineteenth and early twentieth centuries. Symptoms of pellagra can include lack of energy, outbreaks of red splotches on the skin ...Pellagra, a nutritional deficiency disease caused by the lack of vitamin B3 (niacin) in the diet, is characterized by the four-d’s: dermatitis, diarrhea, dementia, and in some cases death. It is a global disease affecting places where the population diet is primarily maize-based. First described in Spain by Gasper Casal y Julian in 1735, it ...藥品名: ALLEGRA 60MG. 作用: 抗組織胺劑. 適應症: 緩解成人及六歲以上之兒童的季節性過敏性鼻炎及慢性自發性蕁麻疹相關症狀. 用法用量: 每日二次，早、晚使用.Pellagra and pellagralike dermatoses: etiology, differential diagnosis, dermatopathology, and treatment. Hendricks WM Semin Dermatol 1991 Dec;10(4):282-92. PMID: 1764355Pellagra (which means "rough skin" from the Italian pelle agra) is due to a niacin deficiency or deficiency of the niacin precursor tryptophan. It is also referred to as mal del sole. Pellagra is a condition hallmarked by a symptom complex of the "4 Ds:" dermatitis (photosensitive rash), dementia, diarrhea, and death.成份 2015-01-21 推動負責任的自我藥療政策說明. 艾來60公絲錠劑 ALLEGRA 60MG TABLETS / 緩解成人及六歲以上兒童的季節性過敏性鼻炎及慢性自發性蕁痲疹相關症狀 …圖片來源：Wikipedia. 最近聽到有這麼一個網路謠言：玉米吃多了會得糙皮病（pellagra）。. 這個謠言讓我覺得相當驚訝，玉米的確與糙皮病有關，但中間沒有因果關係。. 怎麼說呢？. 我們先來看糙皮病。. 典型的糙皮病是因為飲食中缺乏維生素B 3 （菸鹼 …Pellagra. Pellegra is a disease caused by a dietary deficiency of, or a failure to absorb, niacin (vitamin B 3) or the amino acid tryptophan, a precursor of niacin. First reported in 1735 by Don Gasper Casal, a Spanish physician, pellagra means "rough skin." Primary symptoms include the "3 Ds": dementia (mental symptoms), dermatitis (scaly …Pellagra is a disease that affects your digestive system, skin, and nerves, resulting in dermatitis, diarrhea, and mental disorders.The most common cause of pellagra is not having enough niacin (primary pellagra). Other causes of pellagra are associated with digestive disorders that reduce the absorption of niacin in your body. ...pellagra: 1. a disease caused by a deficiency of niacin in the diet, characterized by skin changes, severe nerve dysfunction, mental symptoms, and diarrhea.O Salutaris Hostia No.3 in F major (Elgar, Edward) Composition Year. 1880. Genre Categories. Sacred hymns; Hymns; Religious works; For mixed chorus, organ; Scores featuring mixed chorus; Scores featuring the organ; For …Define pellagra. pellagra synonyms, pellagra pronunciation, pellagra translation, English dictionary definition of pellagra. n. A disease caused by a deficiency of niacin and protein in the diet and characterized by skin eruptions, digestive and nervous system ... Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. Pellagra may also develop due to: Certain medicines, such as isoniazid, 5-fluorouracil, 6-mercaptopurine, pyrazinamide, hydantoin, ethionamide, phenobarbital, azathioprine, and chloramphenicol. Pellagra is a clinical syndrome caused by a deficiency of niacin (nicotinic acid) and/or its precursor tryptophan. The cardinal manifestations are 4 D’s: dermatitis, diarrhoea, dementia and in worst case death. Increased use of isoniazid prophylaxis along with ...Performers : St. John's College Choir, Cambridge and Christopher Robinson.Apr 25, 2021 · Abstract. Pellagra is a deadly nutritional disease caused by niacin deficiency. Although practically eradicated in developed countries, it still affects vulnerable populations. The diagnosis is based on the presence of characteristic dermatitis in sun-exposed areas, diarrhea, and dementia. We report the case of a woman with a clinical picture ... pellagra: [noun] a disease marked by dermatitis, gastrointestinal disorders, and mental disturbances and associated with a diet deficient in niacin. Abstract. Pellagra is a rare disease caused by niacin deficiency or a disruption of its metabolism. Its manifestations are dermatitis with pronounced photosensitivity, gastrointestinal symptoms, and neuropsychiatric ailments. Currently pellagra is developed in people who chronically abuse alcohol or are treated with medications from specific ...Pathology a disease caused by a dietary deficiency of nicotinic acid, characterized by burning.... Click for English pronunciations, examples sentences, video. Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of ...Jan 18, 2021 · Pellagra is a disease that affects your digestive system, skin, and nerves, resulting in dermatitis, diarrhea, and mental disorders. The most common cause of pellagra is not having enough niacin (primary pellagra). Other causes of pellagra are associated with digestive disorders that reduce the absorption of niacin in your body. Mar 21, 2017 · A skin rash called “pellagra” is a common symptom. It usually results from exposure to sunlight. It’s an intermittent red and scaly rash that typically appears over your face, neck, hands ... Pellagra was sometimes called the sickness of the four Ds: diarrhea, dermatitis, dementia and death. Starting with sore tongues and gastrointestinal disturbances, the disease progressed until patients displayed severe skin lesions and neurological symptoms. Many sufferers eventually died. In 1912, approximately 12,000 South Carolina pellagra ...Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. Pellagra may also develop due to: Gastrointestinal diseases. Weight loss (bariatric) surgery. Anorexia. Excessive alcohol use. Carcinoid syndrome (group of symptoms associated with carcinoid tumors of the ...By the 4 ‘D’s’ of progress, we mean the major inter-related transitions of Demography, Domestication, Development and Disease. If these transitions were actual diseases, the lack of consensus on causation, prognosis or the value of interventions would lead to serious questions as to whether the ‘diagnosis’ was correct.Noun [ edit] pellagra ( countable and uncountable, plural pellagras) ( pathology) A disease characterised by skin lesions and mental confusion, primarily caused by a niacin deficiency. [from 19th c.] 1997, Roy Porter, The Greatest Benefit to Mankind, Folio Society, published 2016, page 531: In 1755 the French physician Gaspar Casal (1680–1759 ...Unlike Europe, the USA and Egypt where special hospitals were established for the so-called insane pellagrins(5), in South Africa, a relatively small number of pellagrins were reported in association with neuropsychiatric symptoms(36 –38,86 –92). Summary of studies referring to pellagra in South Africa from 1897 to 2019. Table 1.Official answer. by Drugs.com. Allegra has the lowest risk of sedation out of all antihistamines so is preferred if an antihistamine is needed for people working in safety-critical jobs. Even though Zyrtec is 3.5 times more likely to cause sedation than Allegra, it is still much less sedating than some older antihistamines such as promethazine.pellagra: 1. a disease caused by a deficiency of niacin in the diet, characterized by skin changes, severe nerve dysfunction, mental symptoms, and diarrhea.Pellagra. Pellegra is a disease caused by a dietary deficiency of, or a failure to absorb, niacin (vitamin B 3) or the amino acid tryptophan, a precursor of niacin. First reported in 1735 by Don Gasper Casal, a Spanish physician, pellagra means "rough skin." Primary symptoms include the "3 Ds": dementia (mental symptoms), dermatitis (scaly …Pellagra (which means "rough skin" from the Italian pelle agra) is due to a niacin deficiency or deficiency of the niacin precursor tryptophan. It is also referred to as mal del sole. Pellagra is a condition hallmarked by a symptom complex of the "4 Ds:" dermatitis (photosensitive rash), dementia, diarrhea, and death.Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. Pellagra may also develop due to: Certain medicines, such as isoniazid, 5-fluorouracil, 6-mercaptopurine, pyrazinamide, hydantoin, ethionamide, phenobarbital, azathioprine, and chloramphenicol.Yet pellagra raged on, propelled by plummeting cotton prices in 1920. Goldberger advocated for food aid for the South, to mitigate what the PHS called a “veritable famine” developing in the Cotton Belt due to poor farmers’ diets. Southern politicians and businessmen railed against the recommendation, which they perceived as an attack on ...Mar 13, 2019 · Pellagra is classically described as the 4 D’s in order of symptoms starting: diarrhea (watery, but may contain pus or blood), dermatitis, dementia, death. Three 3 P’s also apply: photosensitive, painful, pruritic. Pellagra is the clinical manifestation of Vitamin B3 (niacin) deficiency. Early cutaneous findings, like many skin diseases ... pellagra, nutritional disorder caused by a dietary deficiency of niacin (also called nicotinic acid) or a failure of the body to absorb this vitamin or the amino acid …Niacin deficiency (causing pellagra) is uncommon in countries with low rates of food insecurity. Many people with niacin deficiency also have deficiencies of protein , riboflavin (a B vitamin), and vitamin B6 . A distinctive dark red rash appears on the hands, feet, calves, neck, and face, and the tongue and mouth turn dark red.Page couldn't load • Instagram. Something went wrong. There's an issue and the page could not be loaded. Reload page. 29 likes, 0 comments - mikefotowerksca on March …Dermatitis related to pellagra usually causes a rash on the face, lips, feet, or hands. In some people, dermatitis forms around the neck, a symptom known as Casal necklace. Primary pellagra is caused by diets low in niacin or tryptophan. Tryptophan can be converted to niacin in the body, so not getting enough can cause niacin deficiency.Dermatitis related to pellagra usually causes a rash on the face, lips, feet, or hands. In some people, dermatitis forms around the neck, a symptom known as Casal necklace. Primary pellagra is caused by diets low in niacin or tryptophan. Tryptophan can be converted to niacin in the body, so not getting enough can cause niacin deficiency.Overview. Pellagra is due to a lack of the vitamin niacin and/or its precursor tryptophan, an essential amino acid. The disease is classically associated with a diet based on non-alkali-treated maize. When diets are inadequate in niacin-and/or tryptophan, the lead time for developing signs of pellagra is about 2 to 3 times.Pellagra is a clinical syndrome caused by a deficiency of niacin (nicotinic acid) and/or its precursor tryptophan. The cardinal manifestations are 4 D’s: dermatitis, diarrhoea, dementia and in worst case death. Increased use of isoniazid prophylaxis along with ...Pellagra fell in equal measure, dropping by 1920 to its lowest level ever. Doctors in Spartanburg County, where Goldberger had worked, were so jubilant that they held a gala dinner to “bury pellagra.” Goldberger rejected such optimism and warned that if bad times returned, so would pellagra. And that soon happened: 1920 began a national ...TAKE YOUR STYLE QUIZ NOW >. Ellegra is an online personal styling service. Get your Ellegra style box: 5 items hand-picked by your personal stylist and only pay for what you keep. We style every shape and size from UK6 to UK28! Try it now.Pellagra หร อโรคเพลแลกรา ค อโรคท เก ดจากการขาดว ตาม นบ 3 หร อไนอะซ น (Niacin) และทร ปโตเฟน (Tryptophan) ซ งทำให เก ดอาการ 3 กล ม ได แก อาการทางผ วหน ง ระบบทางเด นอาหาร ระบบ ...Jan 20, 2021 · Pellagra is a clinical syndrome characterised by dermatitis, diarrhoea dementia and if untreated may result in death. A deficiency of niacin causes it. Pellagra was initially described by a Spanish Physician Gasper Casal. Previously nutritional deficiency was the leading and recognised cause of pellagra in the world. Approach Considerations. Patients with acute cases of pellagra require bed rest during the initial phase of treatment. Patients with severe glossitis require a liquid or a soft solid diet to overcome the dysphagia. Various high-calorie drinks rich in protein and B vitamins (including niacin) are recommended. Topical management of skin lesions ...Niacin Deficiency Symptoms. Severe deficiency, called pellagra, can cause symptoms related to the skin, digestive system, and nervous system. They include: thick, scaly pigmented rash on skin ...Pellagra has also been linked to alcohol consumption in dermatological patients visiting Baragwanath Hospital during 1969–1972 (Reference Dogliotti 50). In a 1984 overview of poverty and development in KwaZulu-Natal, a strong association is described between incidences of pellagra and alcoholism (Reference Ndaba 61).pellagra, nutritional disorder caused by a dietary deficiency of niacin (also called nicotinic acid) or a failure of the body to absorb this vitamin or the amino acid …Pellagra is a niacin deficiency disorder and is usually seen in chronic alcoholics, malabsorptive disorders, anorexia nervosa or as a complication of bariatric surgery. 1,2 It is characterized by a triad of dermatitis, diarrhea and dementia. The classical cutaneous finding includes the presence of symmetric hyperpigmented plaques in ...Niacin Deficiency Symptoms. Severe deficiency, called pellagra, can cause symptoms related to the skin, digestive system, and nervous system. They include: thick, scaly pigmented rash on skin ...Jul 27, 2020 · Pellagra is a nutritional disorder due to deficiency of vitamin niacin (vitamin-B3) or its precursor tryptophan, which was first described by a Spanish physician, Gaspar Casal (1735AD). Classically, it manifests with triad of diarrhea, dermatitis and dementia and if not treated in time leading to death. Thus, it’s a disorder affecting the ... Pellagra, a nutritional deficiency disease caused by the lack of vitamin B3 (niacin) in the diet, is characterized by the four-d’s: dermatitis, diarrhea, dementia, and in some cases death. It is a global disease affecting places where the population diet is primarily maize-based. First described in Spain by Gasper Casal y Julian in 1735, it ... 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. The dermatitis begins as an erythema. Niacin deficiency (causing pellagra) is uncommon in countries with low rates of food insecurity. Many people with niacin deficiency also have deficiencies of protein , riboflavin (a B vitamin), and vitamin B6 . A distinctive dark red rash appears on the hands, feet, calves, neck, and face, and the tongue and mouth turn dark red. Pellagra on niasiinivitamiinin puutostauti, joka johtuu niasiinin liian vähäisestä saannista tai huonosta imeytymisestä ruuasta. Koska niasiinia muodostuu ihmisillä ja monilla muilla eläimillä myös tryptofaanista , joka on välttämätön aminohappo , on pellagra osin myös aminohappopuutos.May 3, 2022 · Joseph Goldberger, a physician in the U.S. government's Hygienic Laboratory, the predecessor of the National Institutes of Health, discovered the cause of pellagra and stepped on a number of medical toes when his research experiments showed that diet and not germs (the currently held medical theory) caused the disease. Niacin deficiency (causing pellagra) is uncommon in countries with low rates of food insecurity. Many people with niacin deficiency also have deficiencies of protein , riboflavin (a B vitamin), and vitamin B6 . A distinctive dark red rash appears on the hands, feet, calves, neck, and face, and the tongue and mouth turn dark red.Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. Pellagra may also develop due to: Certain medicines, such as isoniazid, 5-fluorouracil, 6-mercaptopurine, pyrazinamide, hydantoin, ethionamide, phenobarbital, azathioprine, and chloramphenicol.Oct 14, 2021 · Preventing pellagra during isoniazid preventive treatment. An estimated 1·7 billion people globally are latently infected with Mycobacterium tuberculosis. 1. Latent M tuberculosis infection is defined by WHO as a state of persistent immune response to M tuberculosis antigens with no clinical evidence of active disease. PELLAGRA C.J. Bates, in Encyclopedia of Human Nutrition (Second Edition), 2005Complex Causation Although pellagra in dogs and humans usually responds well to supplements of pure niacin, there are several further strands to the story that complicate the idea that all the characteristics and manifestations of pellagra can be explained as the result of a simple …Pellagra is a nutritional disease due to deficiency of the vitamin niacin and the essential amino acid tryptophan. The clinical features of pellagra are dermatitis, diarrhea, and …O Salutaris Hostia No.3 in F major (Elgar, Edward) Composition Year. 1880. Genre Categories. Sacred hymns; Hymns; Religious works; For mixed chorus, organ; Scores featuring mixed chorus; Scores featuring the organ; For …Sep 20, 2004 · Pellagra, a disease caused by a dietary deficiency in vitamin B (niacin), was seen in the southern United States after the Civil War (1861-65). In the early 1900s it was thought to be an infectious disease, but studies conducted by public health physician Joseph Goldberger at the Milledgeville State Hospital (later Central State Hospital) in […] May 13, 2022 · Ensure that the patient has a balanced diet that is rich in protein and niacin. The topical treatment of skin lesions with topical emollients may reduce discomfort. Pellagra is clinically manifested by the 4 D' s: photosensitive dermatitis, diarrhea, dementia, and death. The full tetrad of symptoms is usually not well developed in infants and ... 每日投與兩次60 公絲與每日投與兩次30 公絲相較,並無較大的益處。. 而且兒童患者投與30mg fexofenadine hydrochloride和成年患者投予60 公絲的劑量結果相似( 見臨床藥理學)。. 在三項針對845 位6 個月到5 歲過敏性鼻炎兒童患者的臨床安全性試驗中,進行每日投予兩次15 ...Pellagra was known as the disease of the three D’s: dermatitis, diarrhea, and dementia. Victims suffered scaling, leprous skin, intestinal distress, lethargy, and depression. The trademark symptom was a butterfly rash—an ugly symmetrical blotch that spread across the victim’s face—marking him or her for all to see.pellagra. [ pĕ-la´grah, pĕ-lag´rah] a syndrome caused by a diet seriously deficient in niacin (or by failure to convert tryptophan to niacin). Most persons with pellagra also suffer from deficiencies of riboflavin (vitamin B 2) and other essential vitamins and minerals. adj., adj pellag´rous.Pellagra is classically described as the 4 D’s in order of symptoms starting: diarrhea (watery, but may contain pus or blood), dermatitis, dementia, death. Three 3 …Pellagra was once a national epidemic that baffled doctors and researchers. Between 1906 and 1940, approximately three million Americans developed pellagra, with 100,000 of these cases fatal (Rajakumar, 2000). Initially, the disease was believed to be a type of food poisoning that was caused by corn, and it took more than 30 years and one ...Pellagra is a nutritional wasting disease attributable to a combined deficiency of tryptophan and niacin (nicotinic acid). It is characterized clinically by four classic symptoms often referred to ...Pellagra is classically described as the 4 D’s in order of symptoms starting: diarrhea (watery, but may contain pus or blood), dermatitis, dementia, death. Three 3 …Pellagra Causes. The condition may arise due to: Reduced consumption of niacin. Lower intake of tryptophan. Excessive alcohol intake for many years. Excessive consumption of Leucine. Gastrointestinal disorders. Deficiency of Lysine, an amino acids. Changes in protein metabolism, due to diseases like Carcinoid Syndrome.Who is Pellagra? Pellagra causes delusions or mental confusion, diarrhea, weakness, loss of appetite, pain in the abdomen, inflamed mucous membranes, and scaly skin sores, but the band sounds pretty good. Yeah, it’s a nasty disease, and very well may be the origin of zombies in the legends and lore of pirates and other riders of the sea.Approach Considerations. Patients with acute cases of pellagra require bed rest during the initial phase of treatment. Patients with severe glossitis require a liquid or a soft solid diet to overcome the dysphagia. Various high-calorie drinks rich in protein and B vitamins (including niacin) are recommended. Topical management of skin lesions ...Abstract. Pellagra is a rare disease caused by niacin deficiency or a disruption of its metabolism. Its manifestations are dermatitis with pronounced photosensitivity, gastrointestinal symptoms, and neuropsychiatric ailments. Currently pellagra is developed in people who chronically abuse alcohol or are treated with medications from specific ...Pellagra is a nutritional deficiency disease caused by a niacin deficiency and has recently received renewed attention, in part due to its appearance in refugees and displaced peoples ( Mason, 2002 see discussion in Box Feature 9.1 ). However, there are a number of reports of pellagra from historical contexts.
Sep 20, 2004 · Pellagra, a disease caused by a dietary deficiency in vitamin B (niacin), was seen in the southern United States after the Civil War (1861-65). In the early 1900s it was thought to be an infectious disease, but studies conducted by public health physician Joseph Goldberger at the Milledgeville State Hospital (later Central State Hospital) in […] . Rip esselstyn
Pellagra is a dermatitis resulting from niacin and/or tryptophane deficiency (in persons whose staple food is sorghum; patients with malabsorption, or during famine). Clinical …Pellagra adalah penyakit yang disebabkan oleh kekurangan vitamin B3 atau juga dikenal sebagai niasin. Penyakit ini ditandai dengan demensia, diare, dan dermatitis, atau juga dikenal sebagai “tiga D”. Jika tidak segera diobati, ini bisa berakibat kematian. B3 berperan dalam mengubah karbohidrat menjadi glukosa, memetabolisme lemak dan ...Pellagra definition: A chronic disease caused by a deficiency of nicotinic acid in the diet and characterized by gastrointestinal disturbances, skin eruptions, and mental disorders: it is endemic in some parts of the world. Pellagra was common in the past when poverty led to malnutrition or where corn was a main staple and was prepared and stored in such a way that niacin was …Sep 20, 2004 · Pellagra, a disease caused by a dietary deficiency in vitamin B (niacin), was seen in the southern United States after the Civil War (1861-65). In the early 1900s it was thought to be an infectious disease, but studies conducted by public health physician Joseph Goldberger at the Milledgeville State Hospital (later Central State Hospital) in […] Overview. Pellagra is due to a lack of the vitamin niacin and/or its precursor tryptophan, an essential amino acid. The disease is classically associated with a diet based on non-alkali-treated maize. When diets are inadequate in niacin-and/or tryptophan, the lead time for developing signs of pellagra is about 2 to 3 times.Dermatitis related to pellagra usually causes a rash on the face, lips, feet, or hands. In some people, dermatitis forms around the neck, a symptom known as Casal necklace. Primary pellagra is caused by diets low in niacin or tryptophan. Tryptophan can be converted to niacin in the body, so not getting enough can cause niacin deficiency.Pellagra is a disease that occurs when the body is deficient in niacin (vitamin B3). 1 The word Pellagra translates to “sour or rough skin” in Italian, as darkening, itchy skin known as dermatitis is one of the first and most telling symptoms of the disease. 2 Other symptoms include dementia, depression, and eventual death, together known ...Niacin, or vitamin B3, deficiency can cause pellagra, a clinical syndrome classically referred to as the four D’s: diarrhea, dermatitis, dementia, and death. The most common finding is a symmetric hyperpigmented rash in exposed areas of skin, similar to a sunburn 4. Niacin (also known as vitamin B3) is one of the water-soluble B vitamins. Niacin is the generic name for nicotinic acid (pyridine-3-carboxylic acid), nicotinamide (niacinamide or pyridine-3-carboxamide), and related derivatives, such as nicotinamide riboside [ 1-3 ]. Niacin is naturally present in many foods, added to some food products, and ... Pellagra is a complex systemic disease resulting from inadequate dietary intake of coenzyme precursors nicotinamide and tryptophan. Improved nutritional habits in most developed economies have led to a decrease in clinicians' and researchers' attention to this condition and its pathophysiological bases, although new cases of pellagra have recently …Pellagra may initially present with loss of appetite, fatigue, irritability, vomiting, pain abdomen, and glossitis. Photosensitive-pigmented dermatitis soon follows. Dermatitis presents with lesions affecting sun-exposed areas such as face, around the neck (called Casal necklace/Casal collar), dorsa of hands, and extensor surface of forearms.[ 2 5 ] These lesions are symmetrically ….