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Pyrethrum-based allergen-specific immunoglobulin E (IgE) measurement

Published: August 9, 2026Updated: August 16, 2026

This test measures the level of antibodies (IgE) your body produces in response to pyrethrum, a natural compound found in chrysanthemums and related plants. It helps identify if you have an allergic reaction to these substances.

Quick summary

["Assesses potential plant-based allergies with a simple blood test."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
7640-6
Short code
Pyrethrum BasoBnd Ab Qn
Synonyms
Pyrethrum BasoBnd Ab Qn
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
lhr
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What Is Pyrethrum Allergy IgE Testing Used For?

Pyrethrum allergy testing is primarily used to diagnose allergies to chrysanthemums or other pyrethrum-containing plants. Doctors may recommend this test if you experience symptoms like sneezing, itching, rash, or difficulty breathing after exposure to chrysanthemums or related flowers.

How Is the Test Performed?

A small blood sample is taken from your arm, usually in a doctor’s office or lab. The sample is then tested to measure specific IgE antibodies against pyrethrum. This process is quick and typically requires no special preparation.

What to Expect Before or After the Test

No special preparation is needed for this test. You may experience mild discomfort from the needle prick, but it usually resolves quickly. If you are pregnant, have a bleeding disorder, or take blood-thinning medications, let your healthcare provider know before the test.

Symptoms of Pyrethrum Allergy

Symptoms of pyrethrum allergy may include skin reactions (hives, itching, swelling), respiratory issues (sneezing, wheezing, shortness of breath), or gastrointestinal discomfort (nausea, vomiting). If you experience severe symptoms like difficulty breathing or swelling of the face/throat, seek emergency medical care immediately.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Pyrethrum Allergy IgE

Frequently asked questions

Why might this test be important?
This test helps confirm if you have an allergic reaction to pyrethrum-containing plants, guiding treatment decisions such as avoiding exposure or using allergy medications. It can also help differentiate pyrethrum allergies from other plant-related allergies.
What does a high or low result mean?
A high IgE level to pyrethrum suggests an allergic reaction. A low or undetectable level means your body likely does not react to this substance. However, results alone do not confirm allergy symptoms—your doctor will consider symptoms and other test results together.
How often should I get this test?
This test is typically done once if you are newly diagnosed or if symptoms recur. Follow-up testing may be recommended if symptoms persist or change, especially if exposure to chrysanthemums or related plants is suspected.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy