Aspergillus Fumigatus Allergy IgE Blood Test

What is the purpose of this test?

Order this Aspergillus Fumigatus Allergy Blood Test measures the IgE antibody levels in the blood to detect an allergy to aspergillus fumigatus. Aspergillus fumigatus is one of the most prevalent airborne fungi, abundant throughout the environment, and can flourish indoors and outdoors. Therefore, most individuals are likely to inhale aspergillus spores regularly. Allergies to this mold are uncommon; however, some individuals may experience a severe allergic reaction from contact with aspergillus spores. Exposure to Aspergillus fumigatus spores can cause aspergillosis, an allergic reaction and one of the most common infections caused by this fungus species. Although individuals with a strong immune system typically do not experience harmful symptoms, individuals with a weakened immune system may face severe reactions—especially those with respiratory problems, cystic fibrosis, or asthma.

What causes an allergic reaction to Aspergillus fumigatus?

An allergic reaction to Aspergillus fumigatus is triggered by an individual's immune system response. For example, the body views certain substances pathogens (spores) as toxic and produces IgE antibodies to combat these contaminants. Unfortunately, these antibodies cause the release of the chemical histamine, which prompts the symptoms of an allergic reaction.

When should I order an Aspergillus fumigatus Allergy Blood Test?

Individuals may order this test if they have experienced symptoms related to an Aspergillus fumigatus allergy. The allergic reaction may range from mild or moderate to severe and vary for each individual. An individual may experience allergic reactions minutes to a few hours after exposure to Aspergillus fumigatus. An individual with an Aspergillus fumigatus allergy may experience hay fever or asthma-like symptoms, such as:

• Congestion
• Hives
• Itching
• Red or watery eyes
• Lightheadedness
• Runny nose
• Sneezing
• Sore Throat
• Swelling 
• Trouble breathing or wheezing

An extreme, life-threatening allergic reaction known as an anaphylactic shock can occur in the most severe cases. An anaphylactic response requires immediate medical attention. Signs of an anaphylactic shock include:

• Rapid or increased pulse
• Swollen throat or lump making it difficult to breathe
• Low blood pressure
• Extreme dizziness or loss of consciousness