Pellagra

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Pellagra is a nutritional disorder caused by a deficiency in niacin (vitamin B3) or its precursor (tryptophan) that is mainly observed in Asia and Africa where it is generally due to poor nutrition. It is characterized by dermatitis (symmetrical photodistributed erythema that may be accompanied by vesicles and bullae and that develops into hyperkeratotic and hyperpigmented skin) gastrointestinal symptoms (diarrhea) and neuropsychiatric disorders (dementia). It can be life-threatening without a correct management.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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Clinical Trials

For a list of clinical trials in this disease area, please click here.