Why do I always have a low fever?
Recently, the topic of "What's wrong with always having a low fever" has sparked widespread discussion on major health forums and social platforms. A low-grade fever (usually a body temperature between 37.3°C and 38°C) may be caused by a variety of reasons. If it persists, it requires attention. The following is a structured analysis and suggestions based on hot topics across the Internet in the past 10 days.
1. Common causes of low-grade fever
| Cause classification | Specific performance | Related diseases/factors |
|---|---|---|
| Infectious | Accompanied by cough, sore throat, etc. | Influenza, tuberculosis, urinary tract infection |
| non-infectious | No typical infection symptoms | Hyperthyroidism, rheumatic immune diseases, tumors |
| Physiological | Small temperature fluctuations | Ovulation, stress, metabolic abnormalities |
2. Recent hot search related cases
| time | event | focus of discussion |
|---|---|---|
| 2023-11-05 | A blogger shared his experience of "diagnosing an autoimmune disease with a long-term low-grade fever" | The need for immune system checks |
| 2023-11-08 | Pediatric experts remind "children should not abuse antipyretics if they have low fever" | Body temperature monitoring and observation period |
3. Danger signs to be alert to
If a low-grade fever is accompanied by the following symptoms, it is recommended to seek medical attention immediately:
Significant weight loss (>5% weight loss within 1 month)
Night sweats or persistent fatigue
Joint swelling or rash
4. Check the proposal process
| 1. Basic inspection | Blood routine, C-reactive protein |
| 2. Special inspection | Tuberculin test, thyroid function |
| 3. Imaging examination | Chest CT (to exclude lung lesions) |
5. Effective suggestions from netizens
Organized according to the popularity of social platforms:
Record body temperature curve (measured 3 times at a fixed time every day)
TCM conditioning cases: Some people with yin deficiency constitution can be improved by nourishing yin and clearing away heat.
Environmental factors investigation: excessive formaldehyde in newly renovated houses may cause low fever
6. Prevention and daily management
1. Ensure adequate sleep (7-8 hours a day)
2. Supplement vitamin C and zinc
3. Avoid excessive anxiety (anxiety may trigger functional low fever)
Note: This article is based on data from Dingxiang Doctor, Zhihu Medical Topics and other platforms. Please follow the doctor’s advice for specific diagnosis and treatment. If the low-grade fever lasts for more than 2 weeks, you must go to a regular hospital to investigate the cause.
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