Explore the possible causes of neonatal limb tremors, including incomplete brain nervous system development and electrolyte imbalance, and provide corresponding medical advice.

Discuss the possible causes of frequent pain in the upper back of a 16-year-old’s head and provide corresponding medical advice and lifestyle adjustment methods.

Infants experiencing fever and diarrhea symptoms seek professional medical advice.

Understand the possible causes of excessive nasal bleeding in children and how to perform initial treatment when it occurs, as well as when medical attention is required.

Discuss the possible causes of infants’ eye discoloration, as well as the corresponding treatment methods and whether medical consultation is needed.

Discuss the possible causes of cracked nails in children, and provide corresponding medical advice and treatment methods.

Understanding the causes and appropriate medical treatment recommendations for lipomas in children’s posterior neck area.

Discuss the possible causes of elevated bilirubin levels in newborns, as well as further medical advice after excluding hemolytic jaundice.

Understand the possible causes of elevated bilirubin levels in children, and how to manage this condition through dietary and lifestyle adjustments.

Painless and itchy red circles on the feet may be a sign of syphilis. It is recommended to seek medical attention and get checked promptly.