What is a common sign associated with Typhoid fever due to Salmonella Typhi?

Typhoid fever, caused by Salmonella Typhi, is characterized by a distinct clinical presentation that includes "pea soup" stools. This term refers to the phenomenon of loose, greenish stools that are often seen in cases of enteric fever. The presence of "pea soup" stools is associated with the increase in intestinal inflammation and the alteration in bile flow that can occur during the infection.

In Typhoid fever, the intestinal mucosa can become ulcerated, leading to changes in the composition of the stool. While diarrhea can occur, it is typically not as explosive as seen in other gastrointestinal infections, such as some viral gastroenteritides or bacterial infections that cause severe watery diarrhea.

The other options present alternative symptoms but do not align with the classical presentation of Typhoid fever. Explosive diarrhea is more characteristic of other pathogens, especially those affecting the small intestine. Mucus production and hemorrhagic diarrhea are also symptoms associated with different gastrointestinal diseases. Thus, the recognition of "pea soup" stools helps differentiate Typhoid fever from other causes of diarrhea in pediatric patients, contributing greatly to identifying the correct diagnosis and subsequent management.