What are the effects of Japanese encephalitis on babies?

Patient's question:

A week ago, I gave my daughter the Japanese encephalitis vaccine. My daughter is two years old. Recently, I noticed that her eyelids are swollen, and her urination frequency has decreased, and it is yellower than before.
Past treatment history and effectiveness: No treatment. This is the first time this has happened.
Desired help: I want to ask what might be causing this.

Doctor's answer:

A week ago, I got the Japanese encephalitis vaccine. My child is two years old, and the past two days, there has been swelling in his eyelids. It's important to rest and ensure adequate deep sleep. You can apply cold compresses to his eyes appropriately. If the child doesn't feel any discomfort, there's nothing to worry about. It's best to limit fluid intake before bed.
After getting the Japanese encephalitis vaccine, such symptoms as you described will never occur again. After vaccination, some reactions may include pain or tenderness at the injection site, warmth, or scattered rashes. These usually resolve on their own without the need for special treatment.

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