Penicillin V Allergy IgE Blood Test
The Penicillin V Allergy IgE Blood Test measures IgE antibody levels in the blood to help detect an allergy to penicillin V.
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 V Allergy IgE Blood Test to measure IgE antibody levels in the blood and to help detect an allergy to penicillin V. Penicillin V is a slow-onset oral antibiotic used to treat many forms of mild to moderate bacterial infections caused by bacteria, including skin infections, pneumonia, scarlet fever, and nasal, tongue, or throat infections. In addition, penicillin V is used to suppress rheumatic fever symptoms. It works by preventing bacteria from growing. This antibiotic only treats bacterial infections; thus, it does not work for viral infections such as the common cold or flu. In addition, penicillin V is also used to prevent heart valve infections in individuals with certain heart conditions who need dental work or surgery.
What causes an allergy to Penicillin V?
An individual's immune system reaction triggers a Penicillin V 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 V Allergy IgE Blood Test?
Individuals may order this test if they have experienced symptoms related to a penicillin V 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 V 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 V may include the following:
- Nausea
- Upset stomach
- Vomiting
- Diarrhea
- Headache
- Rash
- Vaginal itching or discharge
- Swollen, black, hairy tongue
- Rash
It is easy to see how close the side effects are to allergic reactions. Therefore, knowing whether an individual has a penicillin V allergy or merely experienced common side effects is crucial.
What other medications or prescription drugs should I avoid if I have a Penicillin V allergy?
If an individual does have an allergy to penicillin V, it is advised to avoid all drugs in the immediate penicillin family, including:
- Ampicillin
- Amoxicillin
- Nafcillin
- Amoxicillin-clavulanate
- Piperacillin-tazobactam
- Dicloxacillin
