What’s the normal head circumference for a 4-year-old?

A 13-month-old baby experiencing diarrhea after a high fever on the second day may be due to a viral or bacterial infection, or possibly related to insufficient breast milk or a deficiency of trace elements.

A seven-year-old boy has been consistently having trouble with stool in his pants every day for over a year. Despite medical visits and exams including rectal exams and ultrasounds, no abnormalities have been found. The child frequently complains of stomach pain and has vomited a few times at school due to holding in stool. Sometimes it seems he is in a hurry, but he always says he isn’t until he can’t hold it anymore and loses control. Parents have tried various methods, including spanking and calm communication, but none have solved the problem. Parents wonder if this is a physical or psychological issue?

A child may wake up from a nap in just 2 to 3 minutes due to calcium deficiency or indigestion, leading to night terrors.

Grinding teeth while napping at night in children may be caused by factors such as emotional tension, excitement, fatigue, fear, or poor digestion.

If a baby hasn’t had a bowel movement for several days, it may be due to slow colonic activity and excessive evaporation of moisture.

When a baby’s penis swells up at the front during urination, it may be a symptom of genital herpes. It is recommended to seek medical attention for diagnosis and treatment as soon as possible.

Frequent finger biting in children is a normal physiological and psychological habit, but if it persists after the change of teeth, it may affect the growth and development of teeth and jaws.

The child has been crying and fussing constantly lately, and isn’t eating much. What is the situation with the regression of pseudohypoparathyroidism breast tumors?

A baby’s scrotum can become quite large when it’s hot, which is a normal phenomenon and can be used to observe if the baby is overheated.