IBS & SIBO Treatment in Portland, Oregon
Integrative Care for Digestive Health Concerns
At Willow Natural Health, Dr. Cori Burke specializes in integrative and functional medicine approaches to digestive health, including treatment for Irritable Bowel Syndrome (IBS) and Small Intestinal Bacterial Overgrowth (SIBO). Dr. Burke works with patients throughout Portland, Oregon who are struggling with persistent digestive symptoms, food sensitivities, bloating, and abdominal pain. She welcomes complex digestive cases, including patients who have not improved with previous treatments or who feel they have “tried everything” without lasting relief. Her goal is to help patients reduce or resolve chronic digestive symptoms so they can return to feeling energized, comfortable, and fully engaged in daily life.
Comprehensive Digestive Health Evaluation & Treatment

Digestive health concerns often have multiple contributing factors, which is why effective care requires looking beyond symptom management alone. Dr. Burke takes a comprehensive approach to digestive health, focusing on both the underlying drivers of dysfunction and the symptoms that affect your daily life. She utilizes evidence-based and advanced diagnostic tools to better understand each patient’s unique digestive health picture and develop an individualized treatment plan.
A core principle of naturopathic medicine is the Therapeutic Order, which emphasizes using the least invasive and most appropriate interventions first while supporting the body’s natural capacity for healing. At Willow Natural Health, treatment is tailored to each individual’s needs and may include:
- Nutrition and dietary therapy
- Evidence-informed natural supplements
- Lifestyle and stress support
- Prescription medications when appropriate
- Referrals to gastroenterology or other specialists when needed
Healthcare is most effective when it is collaborative. Dr. Burke works closely with your primary care provider or gastroenterologist to ensure coordinated, comprehensive care.
Effective Treatment for IBS, SIBO, GERD, Candida, and More
Dr. Cori Burke provides personalized, integrative treatment plans designed to reduce symptoms and support long-term digestive healing.
Dr. Burke treats many common digestive disorders, including:
- Irritable Bowel Syndrome (IBS)
- Yeast Overgrowth (Candida)
- Small Intestinal Bacterial Overgrowth (SIBO)
- Chronic Constipation
- Inflammatory Bowel Disease (Crohn’s Disease and Ulcerative Colitis)
- Heartburn, Indigestion, and Gastro-esophageal Reflux Disorder (GERD)
- Celiac Disease and Non-Celiac Gluten Intolerance
- Food Allergies / Intolerances / & Sensitivities
- Eosinophilic Esophagitis
- Histamine Intolerance
A Whole-Person Approach to Digestive Health
Dr. Burke recognizes the powerful connection between the digestive system, nervous system, and overall well-being. Chronic stress, trauma, and prolonged nervous system activation can significantly influence gut function, digestion, motility, and symptom severity. Her treatment plans address both the physiological and psychosocial factors that contribute to illness, helping patients support digestive health from a more comprehensive, whole-person perspective.


