Understanding Lab Tests for Allergic Dermatitis
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Allergic dermatitis is a skin condition characterized by red, itchy, swollen, and sometimes blistered or cracked skin that occurs when the immune system reacts to specific allergens. While the condition is typically diagnosed through physical examination and medical history, blood testing plays a crucial role in identifying the specific allergens responsible for triggering these uncomfortable skin reactions.
Top Recommended Test
Respiratory Allergy Panel Region III: GA, northern FL, SC
This comprehensive panel tests for regional allergens including Alternaria alternata, a common mold that can cause allergic dermatitis in sensitive individuals. Exposure results in itchy, red, swollen, and blistered skin reactions.
2907 reviews
Why Allergy Testing is Important for Dermatitis
Identifying the specific allergens that trigger your allergic dermatitis is fundamental for effective management and prevention. Blood-based allergy testing can detect antibodies (IgE) that your immune system produces in response to specific allergens, helping you understand what environmental factors to avoid and enabling targeted treatment approaches.
Other Relevant Tests
Respiratory Allergy Profile Region I: CT, MA, ME, NH, NJ, NY, PA, RI, VT
This regional panel includes testing for Alternaria alternata and other common allergens in the northeastern United States. The mold can cause skin reactions leading to allergic dermatitis with characteristic itchy, red, and swollen skin symptoms.
2907 reviews
Respiratory Allergy Profile Region XVII: CA (northwest), OR (west), WA (west)
This panel tests for common Pacific Northwest allergens including dog dander, which can cause allergic dermatitis in sensitive individuals, resulting in itchy, red, and inflamed skin upon exposure.
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Respiratory Allergy Profile Region XVIII: Alaska
This comprehensive Alaskan panel tests for pet allergens including both cat and dog dander. These common household allergens can trigger allergic dermatitis, causing itchy, red, swollen, and cracked skin in sensitive individuals.
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Benefits of Allergen Identification
Once specific allergens are identified through blood testing, you can work with your healthcare provider to develop an effective avoidance strategy and treatment plan. This may include environmental modifications, targeted therapies, and preventive measures to reduce exposure and minimize skin reactions.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment. Regional allergy panels are designed to test for allergens common to specific geographic areas, so choosing the appropriate panel for your location is important for accurate results.
