Immunoglobulin IgE is below 20 mg/L

Jul 28, 2023 Source: Cainiu Health

Dr. Liu Aihua

Introduction

Under normal circumstances, immunoglobulin E (IgE) has a normal reference range of 20–30 mg/L. If IgE levels are below 20 mg/L, this is considered low and may be caused by malnutrition, ataxia-telangiectasia, systemic lupus erythematosus, or other conditions. Treatment should be determined based on the specific clinical situation.

Under normal circumstances, immunoglobulin IgE (immunoglobulin E) has a normal reference range of 20–30 mg/L. If IgE levels are below 20 mg/L, this is considered low and may be caused by malnutrition, telangiectasia, systemic lupus erythematosus (SLE), or other conditions, which require treatment depending on the specific cause. Detailed analysis is as follows:

1. Malnutrition

If a patient suffers from malnutrition, it may affect normal metabolic processes in the body, leading to low IgE levels. Under medical supervision, patients can take medications such as multienzyme tablets or vitamin C granules for treatment.

2. Telangiectasia

This condition involves persistent dilation of dermal blood vessels, appearing as dot-like, linear, net-like, or star-shaped red blood vessels on the skin surface. These lesions typically blanch when pressed. Blood tests in individuals with telangiectasia may reveal low IgE levels. In such cases, patients may follow medical advice to take oral medications such as diosmin tablets or horse chestnut seed extract (e.g., Venoruton) tablets.

3. Systemic Lupus Erythematosus (SLE)

If a patient has systemic lupus erythematosus, the disease may damage the immune system, resulting in reduced IgE levels. Under a doctor's guidance, patients may take medications such as dexamethasone acetate tablets or hydroxychloroquine sulfate tablets for treatment.

In addition, low IgE levels may also be associated with nephrotic syndrome, chronic lymphocytic leukemia, malignant tumors, and other diseases. It is recommended that patients seek timely medical evaluation and treatment at a qualified hospital upon noticing the above symptoms.

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