Kensington - CT
Penicillin G Allergy Test - Drug Allergy Near You in Kensington
A penicillin G-specific IgE blood test measures antibodies the immune system may produce against penicillin G, also called benzylpenicillin or penicilloyl G. Penicillin G Allergy Test - Drug Allergy testing in Kensington, CT: order online, visit a patient service center near you, and review your results in a secure account.
- Typical price
- From $49
- Results
- 1-3 business days
- Preparation
- See preparation notes below
Order this test online
- Buy online in a few minutes - no doctor's visit needed for most tests.
- Sample collection at a patient service center near you.
- Results are typically ready within 1-3 business days.
- Secure, lab-reviewed results delivered to your account.
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About the Penicillin G Allergy Test - Drug Allergy
A penicillin G-specific IgE blood test measures antibodies the immune system may produce against penicillin G, also called benzylpenicillin or penicilloyl G. It is a screening tool used when a person has had a reaction after taking a penicillin antibiotic, or when a clinician wants to assess sensitization before prescribing one. Results are interpreted alongside the person's symptom history; the test does not confirm or exclude a drug allergy by itself.
What this test measures
- Penicillin G-specific IgE Antibodies produced in response to penicillin G (benzylpenicillin) that may indicate sensitization to the drug.
Who this test may be right for
- You had hives, rash, swelling, or other symptoms after taking a penicillin antibiotic.
- You were told in the past that you are allergic to penicillin and want to clarify your status.
- A clinician is considering a penicillin-class antibiotic and wants additional information.
- You have a history of recurrent or unexplained reactions after antibiotic use.
Before your visit
- No fasting is required for this IgE antibody test.
- The sample can be collected at any time of day.
- Tell the clinician about antihistamines, corticosteroids, or other medications you take.
- Continue prescribed medications unless a healthcare provider advises otherwise.
Understanding your results
An elevated penicillin G-specific IgE level may indicate that the immune system has been sensitized to penicillin G and can be associated with an increased likelihood of an allergic reaction. A normal result does not rule out a drug allergy, because some reactions are not IgE-mediated. The result is best interpreted together with your symptom history and the timing of any prior reaction. Discuss the findings and any concerns with a healthcare provider before making decisions about antibiotics.
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View testQuestions people ask
Where can I get a Penicillin G Allergy Test - Drug Allergy near Kensington?
Patient service centers near Kensington collect samples for this test. Choose a location when you order and visit at a time that works for you.
How much does a Penicillin G Allergy Test - Drug Allergy cost in Kensington?
Typical pricing is From $49, and the exact price is confirmed at checkout.
Do I need to prepare for this test?
Follow the lab's instructions.
How long do results take?
Most results are released in 1-3 business days.
Does the penicillin G-specific IgE test require fasting?
No. IgE antibody tests, including the penicillin G test, can be collected at any time and do not require fasting or a special diet.
Can this test tell me whether I can safely take penicillin?
It is a screening tool. A positive penicillin G-specific IgE result may indicate sensitization, but it does not predict how severe a future reaction would be. A healthcare provider will interpret it with your history.
LabBookings is an independent directory. We compare test details and pricing information, but we are not a laboratory and we do not perform testing or provide medical advice. Always talk to a licensed healthcare provider about your results and treatment.
Laboratory services are provided by independent, CLIA-certified testing partners. Availability, pricing, and turnaround times can vary by location and are confirmed at checkout.