Understanding Lab Tests for Latex Allergy
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Latex allergy is an immune system reaction to proteins found in natural rubber latex, commonly found in medical gloves, balloons, and other rubber products. While diagnosis often begins with symptom assessment and exposure history, specific blood tests can provide definitive confirmation of the allergic response.
Recommended Test
Allergen Specific IgG Latex (H. braziliensis)
This test measures specific IgG antibodies directed against latex proteins from Hevea braziliensis (the rubber tree). High levels of these antibodies indicate that your immune system has mounted a response to latex exposure, confirming a latex allergy. This test is particularly valuable for identifying the underlying cause of symptoms such as itching, hives, respiratory issues, or in severe cases, anaphylactic reactions following latex contact.
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Diagnosing Latex Allergy Through Blood Testing
Latex allergic reactions can range from mild skin irritation to severe, life-threatening anaphylaxis. Because symptoms can overlap with other allergies or skin conditions, blood testing for specific immune markers helps healthcare providers confirm the diagnosis and assess the severity of the allergic response.
Understanding Your Results
Elevated levels of latex-specific IgG antibodies confirm that your immune system recognizes latex proteins as foreign substances and has developed an allergic response. This information helps healthcare providers recommend appropriate avoidance strategies and emergency treatment plans, especially important for healthcare workers and others with frequent latex exposure.
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. If you suspect a latex allergy, especially if you've experienced severe reactions, seek immediate medical attention.
