If a child vomits after eating egg yolk, it may be due to a lack of enzymes needed to digest the egg yolk in the body, and parents should consider adjusting their complementary feeding choices.

Understand the potential risks faced by a three-month-old baby after falling from the bed, as well as how to deal with issues like vomiting and dyspepsia.

Discuss the treatment methods for a 4-year-old child who experiences nighttime vomiting followed by diarrhea, including necessary medical examinations, medication treatment, and dietary suggestions.