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47 Years
experience
Functional Medicine for Chronic Illness & Allergies
Allergy Treatment Center PC has been a trusted leader in functional medicine since 1979, specializing in treating chronic illnesses through a holistic approach. Our team focuses on identifying and addressing root causes of conditions rather than masking symptoms with medications. With over 45 years of experience, we have successfully helped more than 20,000 patients achieve lasting wellness. Our methodology combines comprehensive testing, personalized treatment plans, and advanced therapies like bio-identical hormone replacement and detoxification. Patients travel to our Creve Coeur facility from across the St. Louis region and beyond, seeking relief from complex conditions that traditional medicine has failed to resolve.

Our commitment to patient education empowers individuals to take control of their health journey. We maintain state-of-the-art facilities equipped with IV therapy capabilities and advanced allergy testing technologies. Our approach integrates environmental, hormonal, and nutritional factors to create truly comprehensive care plans. The practice is led by Dr. Tipu Sultan, a pioneer in environmental medicine with decades of clinical experience. We maintain rigorous standards of care while continuously updating our methodologies based on the latest medical research and patient outcomes.
Services
Allergy Testing Hormone Therapy IV Therapies Detoxification Chronic Disease Management Functional Medicine Weight Loss Programs Nutritional Counseling
Details
  • Year established: 1979
Highlights and features
  • 45+ years treating chronic illnesses with functional medicine
  • Personalized treatment plans targeting root causes of disease
  • Advanced diagnostic testing for environmental, hormonal, and nutritional factors
  • Board-certified physician with expertise in environmental medicine
  • Comprehensive IV therapy and detoxification programs
What people say
Significant symptom relief Personalized care approach Effective chronic disease management Knowledgeable staff Improved energy levels
Services
Allergy Testing
Our advanced allergy testing identifies environmental, food, and chemical sensitivities through serial dilution methods. This precision approach helps create targeted treatment plans for conditions like allergic rhinitis, asthma, and chronic sinus issues. Patients benefit from customized immunotherapy options including low-dose allergy treatments.
Hormone Therapy
Bio-identical hormone replacement therapy addresses thyroid disorders, adrenal insufficiency, and sex hormone imbalances. We evaluate and treat conditions like hypothyroidism, menopause symptoms, and low testosterone through natural hormone protocols tailored to individual needs.
IV Therapies
Our IV therapy programs deliver essential nutrients directly into the bloodstream for maximum absorption. This approach effectively treats chronic fatigue, fibromyalgia, and magnesium deficiencies through customized Myers' Cocktail formulations and targeted vitamin infusions.
Detoxification
Our detoxification programs address mold toxicity, heavy metal accumulation, and environmental toxin exposure. Using specialized testing and treatment protocols, we help patients eliminate harmful substances through tailored nutritional support and chelation therapies.
Functional Medicine
Our functional medicine approach investigates complex chronic conditions through comprehensive history-taking and advanced diagnostics. We develop personalized treatment plans addressing environmental, nutritional, and hormonal factors contributing to conditions like fibromyalgia, autoimmune disorders, and digestive issues.
People
Tipu Sultan
Medical Director
Dr. Sultan has practiced environmental medicine since 1979, specializing in chronic illness treatment. He pioneered functional medicine approaches for conditions like mold toxicity and hormonal imbalances. His patient-centered care combines advanced diagnostics with personalized treatment protocols.
Questions
What makes your approach different from conventional medicine?
We focus on identifying and treating root causes of chronic illness rather than managing symptoms with medications.
What conditions do you specialize in treating?
We specialize in chronic fatigue, hormonal imbalances, allergies, autoimmune conditions, and environmental toxin-related illnesses.
Do you accept insurance?
We recommend contacting our office directly for detailed insurance coverage information and billing policies.
What diagnostic methods do you use?
We employ advanced testing including environmental allergy assessments, hormone panels, and nutritional deficiency analyses.
How long do treatment programs typically last?
Treatment duration varies by condition complexity, with most patients experiencing improvements within 3-6 months of consistent care.
Do you offer telehealth appointments?
We provide both in-office and virtual consultations to accommodate patient needs and geographic locations.
Videos
Reviews (4)
Jake Tilley
Oct 05, 2021 Report
I was in a very rough state. My health had been declining for years and finally I had bottomed out where I almost could not function. Depression, zero energy, intense physical pain, etc. My mother had started seeing Dr. Sultan and within a few months she was already feeling incredibly better. She asked if I was interested and I had nothing to lose so I made the decision. Turned out I had hypothyroidism and SIFO. I have been seeing Dr. Sultan for about 4 or 5 months now, and the difference in my symptoms is like night and day. I have energy, my depression is pretty much gone, I have the drive to
Linda Miller
Aug 30, 2021 Report
Dr Sultan has really helped me to be my own advocate for my health and for the people I love! I have had terrible allergies since I was a little girl, done traditional allergy shots and otc medications. Coming to Dr Sultan has pinpointed allergies to foods I didnt know I had. Soy was a huge culprit!! I now do allergy shots for my specific sensitivity to the allergens. I am feeling much better and still a work in progress!! The ladies that work here are all super sweet!!
Cc
Aug 26, 2021 Report
Dr Sultan taught me how to be the CEO of my health. I was very sick when I met him four years ago and after following his advice have achieved better health than I ever knew possible. I had to do the work, but Dr Sultan and his amazing staff have been there every step of the way cheering me on. Am grateful for their knowledge and support and my new found understanding of what health is.
Ashley Gates
Aug 26, 2021 Report
Dr. Sultan and his staff are great. He has helped me go from having terrible food allergies, fatigue, bloating, and body aches/pains to feeling the best I have felt. He doesnt focus on treating your symptoms, he focuses on finding the root cause of your problems and treating that. I highly recommend him!