Penicillin G Allergy IgE Blood Test
The Penicillin G Allergy IgE Blood Test measures IgE antibody levels in the blood to help detect an allergy to penicillin G.
Methodology:
Thermo Fisher ImmunoCAP®
Preparation:
No special preparation is required.
Test Results:
6-8 days. May take longer based on weather, holiday or lab delays.
Walk-In Lab is prohibited from selling LabCorp tests to residents in the following states:NY, NJ, RI, MA, MD
Methodology:
Immunoassay (IA)
Preparation:
No special preparation is required.
Test Results:
6-8 days. May take longer based on weather, holiday or lab delays.
Walk-In Lab is prohibited from selling Quest tests to residents in the following states:AZ, NY, NJ, RI
What is the purpose of this test?
Order this Penicillin G Allergy IgE Blood Test to measure IgE antibody levels in the blood and to help detect an allergy to penicillin G. Penicillin G, also known as benzathine, can treat many serious bacterial infections, including meningitis, pneumonia, anthrax, syphilis, and gonorrhea. This medicine is a long-acting penicillin antibiotic that prevents the growth of bacteria.
What causes an allergy to Penicillin G?
An individual's immune system reaction triggers a Penicillin G allergy. The body views certain substances as toxic and produces IgE antibodies to these contaminants. These antibodies cause histamine to be released, which will cause the symptoms of an allergic reaction.
When should I order a Penicillin G Allergy IgE Blood Test?
Individuals may order this test if they have experienced symptoms related to a penicillin G allergy. Allergy symptoms vary from one individual to the next ranging from mild to severe reactions, which can occur within minutes to a few hours after exposure. Common symptoms of a penicillin G allergy may include one or more of the following symptoms:
- Itching
- Hives
- Skin rash
- Swelling
- Fever
- Itchy, watery eyes
- Runny nose
- Shortness of breath
- Wheezing
- Anaphylaxis
Additionally, some common side effects of Penicillin G may include the following:
- Muscle spasms
- Injection site pain
- Hives
- Mild skin reactions
- Chills
- Joint pain
- Fever
- Fatigue
- Swelling
- Upset stomach
It is easy to see how close the side effects are to allergic reactions. Therefore, it is crucial to know whether an individual has a penicillin g allergy or merely experienced common side effects.
What other medications or prescription drugs should I avoid if I have a Penicillin G allergy?
If an individual does have an allergy to penicillin g, it is advised to avoid all drugs in the immediate penicillin family, including:
- Ampicillin
- Amoxicillin
- Nafcillin
- Amoxicillin-clavulanate
- Piperacillin-tazobactam
- Dicloxacillin
