What happens if the fever remains above 39°C for a prolonged period?
Mar 29, 2023
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
High fever generally refers to hyperthermia. Under normal circumstances, a persistent high fever above 39°C may lead to various adverse effects, including physical discomfort, worsening health condition, dehydration, central nervous system disorders, and gastrointestinal damage. In summary, if the fever persists, seek medical attention at a hospital promptly and use medications under the guidance of a physician to prevent deterioration of the condition.
High fever generally refers to hyperthermia. Under normal circumstances, persistent high fever above 39°C may lead to various health risks such as physical discomfort, worsening health condition, dehydration, central nervous system disorders, and gastrointestinal damage. The specific details are as follows:
1. Physical Discomfort
High fever may be accompanied by symptoms including headache, muscle pain, fatigue, and loss of appetite. These discomforts can affect daily activities and quality of life.
2. Worsening Health Condition
Persistent high fever may indicate the body's response to certain diseases or infections, such as upper respiratory tract infections, pneumonia, urinary tract infections, otitis media, etc. Continued fever may suggest disease progression and could potentially lead to other complications.
3. Dehydration
Fever increases fluid loss from the body, which may result in dehydration. Prolonged high fever further increases the risk of dehydration; therefore, maintaining adequate fluid intake is crucial.
4. Central Nervous System Disorders
If high fever persists at around 39°C, it may cause lesions in the central nervous system. Patients may experience febrile seizures, impaired consciousness, and in severe cases, epileptic convulsions and foaming at the mouth.
5. Gastrointestinal Damage
Sustained high fever of 39°C may impair gastrointestinal function, leading to reduced appetite, nausea, and vomiting. In serious cases, normal digestive function may be affected, resulting in weight loss. Medications such as ibuprofen sustained-release tablets and Xiao Chai Hu granules may be used under medical guidance.
In summary, patients are advised to maintain sufficient fluid intake to prevent dehydration and avoid excessive physical activity. If high fever persists, prompt medical consultation at a hospital is recommended. Medications should be taken under a doctor’s supervision to prevent worsening of the condition.
