Inquiry about an 18-month-old girl’s urination frequency.

Walking on the tips of the toes in children may indicate a congenital developmental issue or skeletal deformity. It is recommended to have an X-ray examination and possibly undergo corrective surgery.

Uncontrollable limb trembling during sleep in children may be caused by calcium deficiency or tic disorder.

According to the description, the child’s navel has an unpleasant odor, which may be caused by an umbilical cord inflammation. It is recommended to first use iodophor alcohol for disinfection, using it every 1-2 hours. If it still cannot be healed, oral antibiotics and intravenous fluid therapy for inflammation treatment can be tried. Additionally, pay attention to keeping the area clean and dry, and eat a light diet.

A three-year-old and ten-month-old boy’s penis sometimes becomes hard, even standing up when lying down. Is this a normal physiological phenomenon?

Is it normal for a child’s total bilirubin and direct bilirubin levels to both be elevated?

An FAQ discussing whether a newborn’s abnormally large fontanelle requires medical attention.

Is it normal for a two-year-old boy to have an increased number of urinations at night, sometimes reaching 5 to 6 times per night?

When a three-month-old baby is held in arms, sometimes the spine makes a sound. Is this normal?

A baby not walking could be due to calcium deficiency, it is recommended to supplement with calcium and drink more bone broth.