A patient presents with the following symptoms:
? Loss of appetite
? Generalized weakness and irritability
? Abdominal pain and vomiting
? Bright red tongue (glossitis)
? Skin rash ("Casal's necklace")
Which of the following is associated with these symptoms?

Question

Quizplus · Accepted Answer

The symptoms described are characteristic of Pellagra, which is caused by a deficiency of niacin (vitamin B3) and presents with dermatitis, diarrhea, dementia, and, if untreated, death ("the four Ds"). The skin rash known as "Casal's necklace" and the bright red tongue (glossitis) are specific signs of this condition.

A Patient Presents with the Following Symptoms