A four-month-old baby is having a "fire" in their body, what should be done?

Patient's question:

No

Doctor's answer:

Generally speaking, the growth and development of babies nowadays are quite fast. Around the age of four to five months, there may be a possibility of calcium deficiency, so it is recommended to supplement calcium for the baby. Understand?
Additionally, it is advisable to give the baby more water and try feeding them some fruit puree. Understand?