Baby is 5 months old. After getting the vaccine, there has been a hard lump. How to come back?

Patient's question:

No

Doctor's answer:

It may be caused by an infection, requiring local dressing changes and intravenous administration of a large amount of antibiotics for treatment. Avoid spicy, alcoholic, and other irritating foods. It is necessary to enhance nutrition and avoid picky eating, while drinking more bone broth.