JAC

Immunoglobulin E antibodies against japanese cedar

Japanese cedar

Japanese cedar contains the allergen Cry j 1, which is a common cause of allergic reactions such as sneezing, runny nose, itchy eyes and asthma, and a specific IgE test can be used to find out if you are allergic to it.

About the allergen in Japanese cedar

The allergen in Japanese cedar is usually a protein called Cry j 1. It is one of several proteins found in Japanese cedar pollen and is a common cause of allergic reactions in people who are allergic to pollen.

When a person allergic to Cry j 1 is exposed to Japanese cedar pollen, the immune system responds by producing antibodies against the protein. This can lead to allergic symptoms such as sneezing, runny nose, itchy eyes, and asthmatic symptoms.

How can I find out if I am allergic to Japanese cedar?

A blood test can be used to investigate an allergy to Japanese cedar by measuring the levels of specific antibodies in the blood that are associated with allergic reactions to Japanese cedar. The test is called a specific IgE test.

The results of the test will show whether or not you have an allergic reaction to Japanese cedar. If the levels of specific IgE antibodies are high, it may indicate that you are allergic to Japanese cedar.

It is important to note that the result of an IgE test does not always correlate completely with symptoms of allergy, and that the test is only part of the investigation process.

If you take a Japanese cedar allergy test and your IgE antibodies are found to be elevated, you can show your result to a doctor or allergy specialist who can help you with a full assessment and possible treatment.

Tests containing the allergen Japanese cedar

Allergy tests

Allergy tests


  • Test that can detect allergy to cedar.
  • Measures the level of IgE antibodies in the blood.
  • Gives insight into cedar allergy symptoms.

295 kr


Pollen check
Pollen allergy test

Pollen check

  • Large pollen allergy test that analyzes the most common allergens.
  • Analyzes and measures the level of IgE antibodies.
  • Gives insight into which allergen(s) may causes allergic reaction.

2 759 kr