Niacin deficiency - Revision history

Aidan: /* Background */

2024-07-14T16:10:59Z

Background

← Older revision		Revision as of 16:10, 14 July 2024
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	** Complication of bariatric surgery		** Complication of bariatric surgery
	** Anorexia nervosa		** Anorexia nervosa
			** Malabsorption
	** Malasorption
	* Can also be seen in [[carcinoid syndrome]], prolonged use of [[isoniazid]], and [[Hartnup disease]]		* Can also be seen in [[carcinoid syndrome]], prolonged use of [[isoniazid]], and [[Hartnup disease]]

Aidan: /* Background */

2024-07-14T16:10:51Z

Background

← Older revision		Revision as of 16:10, 14 July 2024
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	** Resource-limited countries were diet is heavy in untreated corn or sorghum (India, parts of China, and Africa; in Mexico, corn is treated and pellagra is rare)		** Resource-limited countries were diet is heavy in untreated corn or sorghum (India, parts of China, and Africa; in Mexico, corn is treated and pellagra is rare)
	** Alcohol use disorder		** Alcohol use disorder
	** Complication of bariatric ~~suerger~~		** Complication of bariatric surgery
	** Anorexia nervosa		** Anorexia nervosa
	** Malasorption		** Malasorption

Aidan at 16:09, 14 July 2024

2024-07-14T16:09:48Z

← Older revision		Revision as of 16:09, 14 July 2024
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	* Classic triad of photosensitive pigmented dermatitis, diarrhea, and dementia		* Classic triad of photosensitive pigmented dermatitis, diarrhea, and dementia
			* Causes symmetric hyperpigmented rash that looks like a sunburn, on sunexposed skin ("Casal necklace")
			* Also: red tongue, diarrhea, vomiting, insomnia, anxiety, disorientation, delusions, dementia, and encephalopathy

	== Investigations ==		== Investigations ==

Aidan: Created page with "== Background == * Deficiency in the water-soluble vitamin B3 * Also known as pellagra * Risk factors include: Resource-limited countries were diet is heavy in untreated corn or sorghum (India, parts of China, and Africa; in Mexico, corn is treated and pellagra is rare) Alcohol use disorder Complication of bariatric suerger Anorexia nervosa ** Malasorption * Can also be seen in carcinoid syndrome, prolonged use of isoniazid, and Hartnup disease..."

2024-07-14T16:09:14Z

Created page with "== Background == * Deficiency in the water-soluble vitamin B3 * Also known as pellagra * Risk factors include: ** Resource-limited countries were diet is heavy in untreated corn or sorghum (India, parts of China, and Africa; in Mexico, corn is treated and pellagra is rare) ** Alcohol use disorder ** Complication of bariatric suerger ** Anorexia nervosa ** Malasorption * Can also be seen in carcinoid syndrome, prolonged use of isoniazid, and Hartnup disease..."

New page

== Background ==

* Deficiency in the water-soluble vitamin B3
* Also known as pellagra
* Risk factors include:
** Resource-limited countries were diet is heavy in untreated corn or sorghum (India, parts of China, and Africa; in Mexico, corn is treated and pellagra is rare)
** Alcohol use disorder
** Complication of bariatric suerger
** Anorexia nervosa
** Malasorption
* Can also be seen in [[carcinoid syndrome]], prolonged use of [[isoniazid]], and [[Hartnup disease]]

== Clinical Manifestations ==

* Classic triad of photosensitive pigmented dermatitis, diarrhea, and dementia

== Investigations ==

* Urinary N-methylnicotinamide or erythrocyte NAD:NADP ratio
** Not readily available