Is it a heart problem if your heart rate increases after getting a fever shot?

Patient's question:

Symptom Description: High fever after 11 p.m. yesterday, no cold symptoms, but the child had both north and south windows open while sleeping yesterday. Treatment history and effectiveness: Taken oral cefixime, high fever was treated with Meilin. Desired help: Want to know if the sudden increase in heart rate is caused by medication or if there is a heart problem.

Doctor's answer:

It should be the adverse stimulation of the drug on the child's heart that leads to the state of increased heart rate. If it is not severe, pay attention to rest, drink more water, and the heart rate will gradually return to normal. If the heart rate increase is severe and accompanied by serious symptoms of palpitations and discomfort, it is necessary to consider seeking medical treatment in the internal medicine department of the hospital promptly.
In daily life, it is important to avoid spicy, cold, greasy, and overly salty foods, or foods that may easily cause sodium and water retention, to prevent the consumption of qi and the loss of body fluids, which may lead to similar patterns of symptoms. When necessary, brain CT or MRI, as well as electroencephalography (EEG), should be conducted to rule out the occurrence of diseases of the blood vessels.

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