Mold Allergy: Symptoms, Testing, and Treatment

mold on wall.

If you experience persistent respiratory allergy symptoms such as a runny nose, nasal congestion, wheezing, and itchy eyes or throat, mold allergy could be the underlying cause. Mold allergies are similar to other types of respiratory allergies and can significantly impact your quality of life. This article provides an overview of mold allergy symptoms, the importance of mold testing, and the role of blood and lab samples in diagnosing and treating mold allergies.

Understanding Mold Allergy Symptoms:

Mold allergy symptoms closely resemble those of other respiratory allergies. Common symptoms include:

1. Runny nose or nasal congestion: Excessive mucus production and congestion can make it difficult to breathe and lead to discomfort.

2. Wheezing: Mold spores can trigger inflammation and irritation in the airways, causing wheezing or difficulty breathing.

3. Itchy eyes and/or throat: Mold allergens can cause itching and irritation in the eyes and throat, leading to discomfort and watery eyes.

The Importance of Mold Testing:

If you suspect that mold is causing your allergies, it is crucial to undergo mold testing to confirm the presence of mold in your environment. Mold testing helps identify the specific types of mold present and their concentration levels. There are various methods of mold testing, including air sampling, surface sampling, and bulk sampling, which involve collecting samples from different areas of your home or workplace.

Blood and Lab Samples for Mold Allergy Diagnosis:

In addition to mold testing, your healthcare provider may recommend blood and lab samples to diagnose mold allergies accurately. These samples can provide valuable information about your immune response to mold allergens. The following tests may be conducted:

1. IgE blood test: This blood test measures the levels of immunoglobulin E (IgE) antibodies specific to mold allergens in your blood. Elevated IgE levels indicate an allergic reaction to mold.

2. Skin prick test: In this test, small amounts of mold allergens are pricked into your skin, and any resulting allergic reactions, such as redness or swelling, are observed. Skin prick tests can help identify specific molds that trigger your allergic response.

3. RAST test: The radioallergosorbent test (RAST) measures the levels of specific IgE antibodies in your blood. It can help identify the specific mold allergens you are sensitive to.


Treatment for Mold Allergies:

Once your mold allergy is diagnosed, your healthcare provider can recommend an appropriate treatment plan. Treatment options may include:

1. Avoidance strategies: Minimizing exposure to mold is crucial. This may involve identifying and addressing sources of mold in your environment, improving ventilation, and using air purifiers with HEPA filters.

2. Medications: Your healthcare provider may prescribe medications to manage mold allergy symptoms. These may include antihistamines, nasal corticosteroids, decongestants, or allergy shots (immunotherapy) for long-term relief.

Prevention Measures:

Preventing mold exposure is key to managing mold allergies. Consider the following preventive measures:

1. Keep indoor humidity levels below 50% to discourage mold growth. Use dehumidifiers if necessary.

2. Regularly clean and inspect areas prone to mold growth, such as bathrooms, basements, and kitchens.

3. Improve ventilation in your home by opening windows or using exhaust fans in high-moisture areas.

4. Repair any water leaks or water damage promptly to prevent mold growth.



If you suspect mold allergies are causing your symptoms, seeking medical evaluation and testing is essential. Mold testing, along with blood and lab samples, can help confirm the presence of mold allergens and guide appropriate treatment. By implementing preventive measures and following the recommendations of healthcare professionals, you can effectively manage mold allergies and improve your quality of life.