An eight-month-old baby suddenly starts to pull their limbs, clench their fists, and turn beet red in the face, which could be a sign of a urinary tract infection or insufficient calcium and vitamin D in digestion.

The most common bacteria causing urinary tract infections are Escherichia coli. The most effective treatment method is to conduct bacterial culture and sensitivity testing, and to use effective antibiotics.

Understand the reasons and treatment methods for frequent urination in children when they cry

A two-year-old girl has recently been experiencing frequent urination and crying during urination, with the parents worrying it could be a urinary tract infection or another cause, seeking solutions.