White Blood Cell Count and Body Temperature Concerns - Family Medicine

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White blood cell count and body temperature issues?


Hello, doctor.
I would like to ask two questions.

1.
In my routine blood tests over the past few years, my white blood cell count has consistently ranged between 4200 and 4800.
However, in a recent blood test conducted a few days ago, it increased to 6000, despite no signs of inflammation (inflammatory marker at 0.01).
I understand that the normal range is 4000 to 11000, but I have never had such a high count in previous tests, and the most recent tests were less than two months apart.
I am concerned whether my count will continue to rise in the next check-up.
How often should I have my blood tested? (P.S.
Does resting increase immunity, and could an increase in immunity lead to a rise in white blood cell count? I have had more rest time in the past month.)
2.
Regarding my body temperature, my axillary temperature throughout the day mostly ranges from 36.8 to 37.3 degrees Celsius.
Does this count as a mild fever?

cf, 30~39 year old female. Ask Date: 2005/09/29

Dr. Huang Jianling reply Family Medicine


Huang Chin-Fen: A white blood cell count of 6,000 is within the normal range and does not require concern.
Generally, conditions such as acute or chronic infections, tissue damage, malignant tumors, rheumatoid diseases, and pregnancy can lead to an increase in white blood cell count.
Therefore, it is important to evaluate the entire health check report for a comprehensive assessment.
Sincerely, Dr.
Huang Jian-Ling, Family Medicine, Taoyuan Hospital.

Reply Date: 2005/09/29

More Info


Understanding the relationship between white blood cell (WBC) count and body temperature is crucial for assessing overall health. Your concerns about the fluctuations in your WBC count and body temperature are valid and warrant a detailed explanation.

1. White Blood Cell Count Fluctuations:
Your recent blood test showed a WBC count of 6000, which is still within the normal range (4000-11000 cells per microliter). It's important to note that WBC counts can vary due to numerous factors, including stress, physical activity, and even the time of day when the blood is drawn. The fact that your previous counts were lower (4200-4800) does not necessarily indicate a problem; it could simply reflect normal biological variability.
You mentioned that you have been resting more over the past month. Adequate rest can indeed enhance immune function, potentially leading to a slight increase in WBC count. However, this increase is typically not significant enough to cause concern unless accompanied by other symptoms or abnormal findings.
As for when to have your next check-up, it largely depends on your overall health and any symptoms you may experience. If you remain asymptomatic and your healthcare provider is not concerned, a follow-up in a few months could be reasonable. However, if you notice any new symptoms or if your WBC count continues to rise, it would be prudent to consult your physician sooner.

2. Body Temperature Concerns:
Your recorded axillary temperature of 36.8 to 37.3 degrees Celsius is generally considered normal. A temperature above 37.5 degrees Celsius is typically classified as a fever. Therefore, your readings do not indicate a fever, but they are on the higher end of the normal range.
Fluctuations in body temperature throughout the day are common and can be influenced by various factors, including physical activity, time of day, and even emotional stress. The slight increase in your temperature during the afternoon could be attributed to these factors rather than an underlying health issue.

In summary, your WBC count of 6000 is within the normal range, and the slight increase from your previous counts is not unusual, especially considering your recent rest. Your body temperature readings do not indicate a fever. It is essential to monitor any changes in your health and maintain regular check-ups with your healthcare provider to ensure that any potential issues are addressed promptly. If you have further concerns or if your symptoms change, do not hesitate to seek medical advice.

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