Penicilloyl V (Penicillin V/Phenoxymethylpenicillin)
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About Our Penicilloyl V (Penicillin V/Phenoxymethylpenicillin)
This IgE antibody allergy test by blood sample is used to determine an allergy to Penicillin V (also known as the antibiotic drug Penicilloyl V or Phenoxymethylpenicillin). Testing for an allergy to medication can help an individual and their physician decide if alternative treatment is necessary.
Penicillin is a class of antibiotic drugs commonly prescribed for many types of bacterial infections. According to the American Academy of Allergy, Asthma, & Immunology, more than 90% of people with a history of penicillin allergy may not truly be allergic to penicillin. Although 10% of patients report a penicillin allergy, often they may lose their allergy over time or their allergy may be disproved with allergy testing.
This blood test allows you to test for a penicilloyl V allergy without the painful irritation of skin prick allergy testing (also known as puncture or scratch tests). Our blood test is easier and virtually pain-free compared to traditional skin prick allergy tests, which insert possible triggers into the skin with a needle prick. Instead, our blood tests can detect allergic reactions externally, without introducing allergens into your system.
What is Penicilloyl V?
Penicilloyl V is a type of penicillin. Penicilloyl V is a prescription antibiotic used to treat certain infections caused by bacteria, such as streptococcal and pneumococcal upper respiratory tract infections, and the prevention of rheumatic fever and chorea.
What happens if you are allergic to penicillin?
Your immune system defends your body to prevent you from getting sick. When you are allergic to something, your immune system identifies something that is harmless to most people as something that is harmful. When you are allergic to penicillin, your body triggers a negative and defensive reaction, produces IgE antibodies to fight it off, and causes the release of chemicals like histamine, which can cause inflammation.
Penicillin allergies can be mild, causing itching, or severe, causing anaphylaxis (a life-threatening reaction which makes it difficult for the individual to breathe.)
Penicillin allergy symptoms can include:
- Skin rash/hives
- Shortness of breath/wheezing
- Runny nose
- Itchy, watery eyes
- In severe cases- anaphylaxis, leading to shock, loss of consciousness, and seizures