Fever at midnight after getting the vaccine

May 14, 2023 Source: Cainiu Health

Dr. Jiang Weimin

Introduction

Fever generally refers to an elevated body temperature. Developing a fever during the night after vaccination may be due to vaccine side effects, secondary cold, or secondary bronchitis, and treatment should be based on the underlying cause. It could also potentially lead to pneumonia. If the patient experiences other accompanying physical discomforts, prompt medical attention is necessary to prevent ongoing symptom progression and potential harm to health.

Fever generally refers to an elevated body temperature. Developing a fever during the night after vaccination may be due to vaccine side effects, secondary cold, or secondary bronchitis, among other causes. Treatment should be based on the underlying cause. The specific analysis is as follows:

　　1. Vaccine side effects

　　Vaccination is primarily intended to prevent diseases. During the process of antibody production in the body, body temperature may rise slightly, which is considered a normal reaction. Wiping the body with a wet towel can help reduce body temperature.

　　2. Secondary cold

　　After vaccination, the body's immunity may temporarily decrease. If proper care is not taken, a cold may develop, often leading to increased body temperature. Medications such as amoxicillin capsules, compound paracetamol and rimantadine capsules, or paracetamol tablets may be taken as directed by a physician.

　　3. Secondary bronchitis

　　When immunity is reduced, bronchitis may also occur. Repeated inflammatory stimulation can lead to elevated body temperature and fever. Intravenous infusion treatments may be used, such as sodium chloride injection, ceftriaxone sodium for injection, or azithromycin injection.

　　Besides the above-mentioned causes, fever could also result from upper respiratory tract infections, febrile seizures, pneumonia, or other conditions. If patients experience additional discomfort, they should seek medical attention promptly to prevent symptom progression and potential harm to health.

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