Choose Lasting

Allergy Relief

Over-the-counter medications are not a long term solution to treating your allergies.

We believe

everyone should have access to exceptional care that will lead to real, lasting relief. That’s why our compassionate team of medical professionals, lead by retired Lieutenant Colonel, Todd Funkhouser, MD, PhD, focus on improving your total immune health and not just masking your symptoms.


Together we’ll find personalized solutions to help you breathe easier, live healthier, and feel your best everyday.

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3 Reasons to Choose Access Allergy, Asthma, and Immunology

You’re more than a patient to us… you’re our neighbors, families, and friends, and you’ll feel appreciated and supported from your very first visit. Here are a few reasons why we are the right choice for you.

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We Understand Our Community

Our founder and Medical Director, Todd Funkhouser, MD, PhD, acquired his medical training while serving as a Lieutenant Colonel in the US Army and has practiced medicine in Texas for over 20 years. Several of our amazing team members were born, raised, and educated in our great state, and many are bilingual.

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Expert Care

Our board-certified allergist, physician assistants, nurse practitioners, and technicians bring decades of experience in state-of- the-art diagnostics and therapies to every appointment. And every medical provider receives advanced training and education on the latest treatments every year.

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Personalized Attention

No two patients are alike, which is why we take the time to know you as a person first. Your care plan is customized specifically for you, so you can be sure that you’ll receive care that meets your unique needs and lifestyle.

Our Services

We specialize in managing allergies, asthma, and immune system health. These conditions are often misunderstood, so we’ve assembled easy to read articles to help you learn more about our approach

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Click/Tap On Any Service To Learn More

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Allergy Testing & Interpretation

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Drug Testing & Challenges

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Immunotherapy

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Food Allergy Diagnosis & Treatment

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Insect Allergy Testing & Immunotherapy

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Pulmonary Function Testing

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Allergen Avoidance Counseling

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Patch Testing for Contact Dermatitis

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Immunodeficiency Evaluation and Treatment

Get Back to Living Allergy-Free!

Our Latest Articles

Allergen Immunotherapy in Tyler, TX – Retrain Your Immune Response

By Access Allergy and Immunology - East Texas • March 22, 2026
Allergen Immunotherapy in Tyler, TX gradually reduces your sensitivity to pollen, mold, and other triggers through supervised, clinically proven treatment.

Skin Testing for Allergies in Tyler, TX – Identify Your Triggers Safely

By Access Allergy and Immunology - East Texas • February 20, 2026
Skin Testing for Allergies in Tyler, TX helps identify environmental and food triggers through supervised clinical testing designed for East Texas conditions.

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