Is it okay if the child has a fever, vomiting, and diarrhea many times after the second dose of Japanese encephalitis vaccine?

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Hello doctor. My baby has been vaccinated against Japanese Encephalitis 2nd and comes back with a fever, vomits when he eats, has many bowels are not? I hope the doctor can help me. Thank you doctor.
Pham Huong (1988)
Answer
Answered by Master. Dr. Phan Ngoc Hai - Department of Pediatrics - Neonatology, Vinmec Da Nang International General Hospital
Hello,
To the question: "Children have fever, vomiting accompanied by many times of diarrhea after receiving the 2nd Japanese encephalitis vaccine. you OK?" The doctor's answer is as follows:
Children after being vaccinated against Japanese encephalitis can often have local reactions, pain at the injection site and low fever within 2 days.
However, if a child has a fever with vomiting, and has a lot of loose stools, he may have an episode of enteritis more than a reaction to the vaccine.
Therefore, you should monitor the child's fever, rehydrate after each vomiting and loose stools, maybe add oresol and digestive enzymes to the child. If the child has a high fever continuously, looks tired, vomits a lot, has increasing abdominal pain, has bloody stools, asks to drink a lot of water, you should have your baby re-examined at the hospital for evaluation.
If you still have questions about your child's fever, vomiting, and frequent bowel movements after the 2nd dose of Japanese encephalitis vaccine, you can take your child to a hospital under Vinmec Health System to be examined. Thank you for your interest and question to Vinmec.
Best regards!

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