Contact Dermatitis Blood Test

What is Contact Dermatitis?

Contact dermatitis is a skin condition characterized by redness, itching, and inflammation when skin touches an irritating substance or allergen. It is caused by direct contact with allergens such as latex proteins, plant allergens like rough pigweed and mugwort, or grass proteins like Bermuda Grass. The Allergy Evaluation 6, South Central panel is the most important test for diagnosis because it identifies specific allergen antibodies that trigger contact dermatitis reactions.

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What causes contact dermatitis?

Contact dermatitis is caused by direct skin exposure to allergens or irritants that trigger an immune response. Common triggers include plant allergens like poison ivy, rough pigweed, mugwort, and Russian Thistle, latex proteins from rubber gloves or medical equipment, metals like nickel in jewelry, fragrances in cosmetics, and preservatives in personal care products. When your skin touches these substances, your immune system releases antibodies and inflammatory chemicals that cause the characteristic red, itchy, swollen rash.

What is the best test for contact dermatitis?

The Allergy Evaluation 6, South Central is the most important test for contact dermatitis because it detects IgE antibodies to Bermuda Grass and other regional allergens that commonly trigger skin reactions. This comprehensive panel identifies specific allergen sensitivities that cause the red, itchy rash characteristic of contact dermatitis. For latex-related reactions, the Allergen Specific IgG Latex test measures immune responses to latex proteins. Regional allergy panels like the Respiratory Allergy Panel Region III test for plant allergens such as rough pigweed, mugwort, and Russian Thistle that cause contact dermatitis upon skin contact. These blood tests help pinpoint your exact triggers so you can avoid them and prevent future reactions.

When should I get tested for contact dermatitis?

You should get tested if you develop red, itchy, or inflamed skin after touching specific materials or plants. Get tested if you notice recurring rashes in areas that contact jewelry, latex gloves, cosmetics, or certain fabrics. You should also consider testing if you work in healthcare, food service, or landscaping where you frequently handle potential allergens. Testing is especially important if your rash keeps coming back despite treatment, or if you cannot identify what is triggering your skin reactions so you can avoid future exposure.

What are the symptoms of contact dermatitis?
Contact dermatitis symptoms include red, inflamed skin at the site of contact with the allergen or irritant. You might notice intense itching, burning, or stinging sensations on the affected area. The skin may develop small fluid-filled blisters that can ooze or crust over, and the area may become dry, cracked, or scaly. Swelling and tenderness are common, and in severe cases, the rash can spread beyond the initial contact site. Symptoms typically appear within hours to days after exposure.
Who is at risk for contact dermatitis?
Healthcare workers who regularly wear latex gloves are at higher risk for developing latex contact dermatitis. People who work in hairdressing, cleaning, food service, or manufacturing face frequent exposure to chemicals and irritants. Individuals with a personal or family history of allergies, eczema, or asthma have increased susceptibility to allergic contact dermatitis. Landscapers and outdoor workers encounter plant allergens like poison ivy, mugwort, and rough pigweed regularly. People who wear nickel jewelry or have sensitive skin are more prone to developing contact dermatitis reactions.
What happens if contact dermatitis is left untreated?
Untreated contact dermatitis can lead to chronic skin inflammation that causes thickening, darkening, and leathery texture of the affected skin. Persistent scratching can break the skin barrier and lead to bacterial infections requiring antibiotic treatment. Repeated exposure to allergens without identification and avoidance causes increasingly severe reactions over time. The condition can spread to larger areas of your body and significantly impact your quality of life through constant itching and discomfort. In severe cases, untreated contact dermatitis can interfere with sleep, work, and daily activities, leading to emotional distress and decreased productivity.
Can contact dermatitis be diagnosed with a blood test?
Contact dermatitis is primarily diagnosed through clinical examination and patch testing, but blood tests play a valuable supporting role in identifying specific allergen triggers. Blood tests measure IgE and IgG antibodies to common allergens like latex proteins, grass pollens, and plant allergens that cause contact dermatitis. These tests help determine which substances your immune system reacts to, allowing you to avoid those triggers. While blood tests cannot diagnose contact dermatitis by themselves, they provide essential information for developing a comprehensive treatment plan and preventing future reactions by identifying your specific allergen sensitivities.
How is contact dermatitis treated?
Treatment for contact dermatitis begins with identifying and avoiding the allergen or irritant causing your reaction. Your doctor may prescribe topical corticosteroid creams to reduce inflammation, redness, and itching. Antihistamines help control itching and allergic responses, while moisturizers restore the skin barrier and prevent dryness. For severe cases, oral corticosteroids may be necessary to control widespread inflammation. Cold compresses provide immediate relief from burning and itching. Once blood tests identify your specific allergen triggers, you can take targeted steps to avoid those substances and prevent future outbreaks.
How can I prevent contact dermatitis?
Prevent contact dermatitis by identifying your allergen triggers through blood testing and strictly avoiding those substances. Wear protective gloves when handling chemicals, cleaning products, or known irritants, choosing nitrile gloves if you have latex sensitivity. Read product labels carefully and choose fragrance-free, hypoallergenic personal care products. Apply barrier creams before exposure to potential irritants to protect your skin. Wash your skin immediately after contact with suspected allergens using gentle, fragrance-free soap. Keep your skin moisturized to maintain a strong skin barrier that resists irritation and allergen penetration.
What natural remedies help with contact dermatitis?
Apply cool, wet compresses to affected areas several times daily to reduce inflammation and soothe itching. Oatmeal baths provide natural anti-inflammatory benefits and relieve itching without harsh chemicals. Coconut oil and aloe vera gel moisturize irritated skin and support healing with their natural antimicrobial properties. Calendula cream reduces inflammation and promotes skin repair. Avoiding hot showers and using lukewarm water prevents further irritation. However, natural remedies work best alongside allergen identification through blood testing so you can avoid the root cause of your reactions and prevent future outbreaks.
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Long story short:
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  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
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  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
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Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
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We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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Allergy Evaluation 6, South Central
Google reviews 505 reviews
$479 $374
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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