Low Neutrophils and High Lymphocytes: What Does It Mean for Your Health? - Family Medicine

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Low neutrophil count / High lymphocyte count


Hello, doctor.
Since I started working at the company in 2016 and began regular health check-ups, I have noticed that the values for neutrophils and lymphocytes in my white blood cell count have been flagged.
In 2017, my WBC was 5.5 (normal), with neutrophils at 34.0% (reference range: 41.8-70.8) and lymphocytes at 53.1% (reference range: 20-49.2).
In 2018, my WBC was 6.09 (normal), with neutrophils at 38.5% (reference range: 41.8-70.8) and lymphocytes at 51.7% (reference range: 20.7-49.2).
In 2021, my WBC was 6.78 (normal), with neutrophils at 34.7% (reference range: 41.8-70.8) and lymphocytes at 52.2% (reference range: 20.7-49.2).
The above results were from Kaohsiung Medical University Hospital.
In 2022, at Kaohsiung E-Da Hospital, my WBC was 5.75 (normal), with neutrophils at 39.0% (reference range: 42-74) and lymphocytes at 50.1% (reference range: 20-56), which was also considered normal.

Doctor, is there any issue with these blood test results? I have had these flagged values for several years, but I do not experience any discomfort, fever, or need to see a doctor.
Currently, I am taking medication for anxiety (serotonin) and one-third of a dose of Propecia (to prevent hair loss).
Thank you for your response, as I am planning to undergo a hair transplant soon and want to ensure there are no issues.
The hair transplant doctor mentioned that I would need to take oral Norvasc (a blood pressure medication that aids hair growth) after the procedure, but I forgot the dosage.

Ted, 30~39 year old female. Ask Date: 2022/04/15

Dr. Liao Yaopan reply Family Medicine


Hello, based on the data presented, there are no significant abnormalities in the white blood cell count.
Typically, a white blood cell differential analysis is performed to examine the proportions of different types of white blood cells and to check for any abnormal forms.
Overall, everything appears to be fine.
If there are any concerns, it is advisable to consult a hematologist for further evaluation.
Please note that online consultations are not equivalent to in-person medical visits and cannot provide diagnoses or treatment recommendations.
Changhua Hospital cares about your health.

Reply Date: 2022/04/15

More Info


When analyzing your blood test results, particularly the low neutrophil count and high lymphocyte percentage, it is essential to understand what these values indicate about your health. Neutrophils and lymphocytes are two types of white blood cells (WBCs) that play crucial roles in your immune system. Neutrophils are primarily responsible for fighting bacterial infections, while lymphocytes are more involved in combating viral infections and in the immune response.

Your historical data shows a consistent pattern of low neutrophils and high lymphocytes over several years. For instance, your neutrophil percentages have been below the normal range (41.8% - 70.8%) while your lymphocyte percentages have been above the normal range (20% - 49.2%). This pattern can suggest several potential underlying conditions or physiological variations.

1. Chronic Viral Infections: Persistent high lymphocyte levels can indicate a chronic viral infection. Conditions like HIV, Epstein-Barr virus (EBV), or cytomegalovirus (CMV) can lead to elevated lymphocyte counts. Although you mentioned not experiencing any significant health issues, it may be prudent to consider testing for these infections if you have risk factors.

2. Autoimmune Disorders: Conditions such as lupus or rheumatoid arthritis can also lead to changes in white blood cell counts. In autoimmune diseases, the body’s immune system mistakenly attacks its own tissues, which can result in altered lymphocyte and neutrophil levels.

3. Bone Marrow Disorders: While less common, certain bone marrow disorders can affect the production of neutrophils and lymphocytes. This includes conditions like aplastic anemia or leukemia. However, these are usually accompanied by other symptoms or abnormal findings in blood tests.

4. Physiological Variations: It’s also possible that your body has a unique physiological response that results in these consistent lab findings without any underlying pathology. Some individuals may naturally have lower neutrophil counts without any adverse effects on their health.

Regarding your concerns about hair transplant surgery and the medications you are taking, it is crucial to discuss these with your healthcare provider. The medications you mentioned, such as sertraline (an antidepressant) and finasteride (for hair loss), generally do not have a direct impact on white blood cell counts. However, any new medication, especially those affecting blood pressure, should be evaluated in the context of your overall health and blood work.


Recommendations:
1. Consult a Hematologist: Given the consistent pattern of your blood work, it would be beneficial to consult a hematologist. They can provide a more detailed evaluation and may recommend further testing, such as a bone marrow biopsy or specific viral load tests, if deemed necessary.

2. Regular Monitoring: Continue to monitor your blood counts regularly. If there are any significant changes or if you start experiencing symptoms such as unexplained fevers, fatigue, or recurrent infections, seek medical attention promptly.

3. Healthy Lifestyle: Maintain a healthy lifestyle, including a balanced diet rich in vitamins and minerals, regular exercise, and adequate sleep. These factors can help support your immune system.

4. Discuss with Your Hair Transplant Surgeon: Before proceeding with the hair transplant, ensure that your surgeon is aware of your medical history and current medications. They can provide guidance on any potential risks associated with the procedure.

In conclusion, while your blood test results show a consistent pattern of low neutrophils and high lymphocytes, it is essential to approach this with a comprehensive evaluation by healthcare professionals. Regular monitoring and lifestyle adjustments can also contribute positively to your overall health.

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