Immunoglobulin IgE
Allergy · Blood
Available in:Hisar
Available at 1 lab
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₹830₹749
About this test
What is the Immunoglobulin IgE Test?
The IgE test measures the level of Immunoglobulin E (IgE) antibodies in your blood. IgE is a protein that plays a key role in allergic reactions and parasitic infections.
Key Parameters
| Parameter | What it shows |
|---|---|
| Total IgE | Overall IgE level in the blood |
| Specific IgE (if requested) | IgE directed against a particular allergen (e.g., pollen, dust mites, foods) |
Why It Is Done
- Routine allergy screening
- Evaluation of unexplained itching, hives, or asthma symptoms
- Monitoring of allergic conditions or response to therapy
- Investigation of parasitic infections in certain cases
Early Detection
The test can help identify signs of allergic disorders or parasitic infections, but it does not diagnose on its own. A doctor interprets the result together with symptoms, history, and other tests.
What Abnormal Results May Indicate
- High IgE: Possible allergic disease (asthma, eczema, allergic rhinitis), parasitic infection, or certain immune disorders. Many factors such as recent infections, medications, or diet can influence levels.
- Low IgE: Rare; may be seen in some immunodeficiency conditions.
Who Might Be Advised to Get This Test
- Individuals with persistent allergic symptoms
- Patients with unexplained eczema or asthma
- Those with a family history of allergies
- Travelers or residents in areas with high parasite prevalence
In short: The IgE test measures allergy-related antibodies and helps guide further evaluation and treatment.
Used for detecting / monitoring
Before your test
Preparation
- Fasting: No fasting required for IgE.
- If combined with fasting tests: Follow the strictest instruction (e.g., if a fasting glucose test is also ordered, fast 8–12 hours).
- Procedure: A healthcare professional will draw a small amount of blood (usually 5–10 mL) from a vein in your arm using a needle. The process takes about 5 minutes.
- Comfort: You may feel a brief pinch when the needle is inserted. The sample is then sent to the lab for analysis.
- Precautions: No special medication timing or hydration instructions are needed for IgE. Avoid alcohol or strenuous exercise 24 hours before if you are also undergoing other tests that require it.
- Note: Confirm specific preparation with your doctor or the lab. This information is educational and not a substitute for professional medical advice.
Sample type: Blood
Report parameter guide
Immunoglobulin IgE
A type of antibody that plays a key role in allergic reactions and protection against parasites.
Low: Low IgE levels can indicate a weakened allergic response, certain immunodeficiency conditions, or a reduced ability to fight parasitic infections.
High: High IgE levels may indicate allergic diseases (such as hay fever, asthma, eczema), parasitic infections, certain immune disorders, or atopic dermatitis.