What does a lymphocyte percentage of 18.1% mean?

Nov 09, 2023 Source: Cainiu Health

Dr. Liu Feng

Introduction

Under normal circumstances, the lymphocyte percentage refers to the proportion of lymphocytes among the total white blood cell count. The normal range for lymphocyte percentage is 20% to 40%. A lymphocyte percentage of 18.1% is significantly low and may be caused by factors such as excessive water intake, chronic sleep deprivation, bacterial infection, rheumatoid arthritis, or systemic lupus erythematosus. Patients are advised to follow medical guidance for symptomatic treatment.

1. Excessive Water Intake

If a patient drinks large amounts of water regularly, it may increase blood volume. If urine is not promptly excreted, this could lead to a lower lymphocyte percentage. This is considered a normal physiological phenomenon. Reducing water intake appropriately usually allows the condition to resolve on its own.

2. Chronic Sleep Deprivation

Prolonged lack of sleep may reduce the body's immune function and affect sleep quality, potentially leading to a decreased lymphocyte percentage. It is recommended that patients adjust their daily routines, ensure adequate sleep, and avoid staying up late.

3. Bacterial Infection

Following a bacterial infection, patients may experience a reduced lymphocyte percentage, which might also be accompanied by a decrease in neutrophils. Under a doctor’s guidance, medications such as amoxicillin capsules or cefradine capsules can be used for treatment.

4. Rheumatoid Arthritis

Rheumatoid arthritis is a chronic, systemic autoimmune disease characterized primarily by erosive, symmetric polyarthritis. After onset, viral infections associated with the disease may destroy large numbers of lymphocytes, resulting in a significant drop in lymphocyte count. Patients may use medications such as enteric-coated aspirin tablets or compound cyclophosphamide tablets as directed by a physician.

5. Systemic Lupus Erythematosus

In patients with systemic lupus erythematosus, anti-lymphocyte antibodies present in the bloodstream can reduce lymphocyte counts, leading to a low absolute lymphocyte value and causing the aforementioned condition. Such patients should follow medical advice and use medications like methylprednisolone tablets or prednisone acetate tablets for treatment.

Besides the above, this condition may also be caused by HIV/AIDS. If patients experience any discomfort, they should seek timely medical evaluation and receive targeted treatment to prevent disease progression.

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