Allergen - PENICILLOYL G by EIA, Serum
Overview
The Allergen - Penicilloyl G by EIA, Serum test measures specific IgE antibodies against Penicilloyl G, the major antigenic determinant of penicillin. It helps identify IgE-mediated penicillin allergy and supports clinicians in evaluating allergic reactions to penicillin antibiotics.
Why is this test done?
- Diagnose suspected penicillin allergy.
- Evaluate allergic reactions such as hives, itching, or swelling after penicillin use.
- Assess the risk of immediate hypersensitivity reactions before prescribing penicillin-based antibiotics.
- Aid in allergy management and treatment planning.
Symptoms that may indicate testing
- Skin rash or hives after taking penicillin.
- Itching or redness.
- Swelling of the lips, tongue, face, or throat.
- Wheezing or difficulty breathing.
- Severe allergic reaction (anaphylaxis).
Sample Required
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Specimen: Serum
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Method: Enzyme Immunoassay (EIA)
Preparation
- No fasting or special preparation is usually required.
- Inform your healthcare provider about your allergy history and current medications.
Benefits
- Detects specific IgE antibodies to Penicilloyl G.
- Supports accurate diagnosis of penicillin allergy.
- Helps avoid unnecessary avoidance of antibiotics.
- Assists healthcare providers in selecting safe treatment options.
Note:
A positive result indicates sensitization to Penicilloyl G but should always be interpreted alongside your clinical history and other diagnostic findings.
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