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Expert Testing and Treatment for Small Intestinal Bacterial Overgrowth
SIBO, or small intestinal bacterial overgrowth, happens when too many bacteria grow in the small intestine, where bacteria are normally few. This overgrowth ferments food too early, producing gas and interfering with digestion and nutrient absorption.
SIBO often develops when the gut moves too slowly, after surgery, or with structural issues, low stomach acid, or conditions like IBS and diabetes. It frequently overlaps with IBS, which is why careful testing matters.
Common symptoms include bloating (often worse after meals), gas, abdominal pain, and diarrhea or constipation. Some people develop nutrient deficiencies or unintended weight loss. See a gastroenterologist for persistent bloating, unexplained weight loss, or anemia so the cause can be identified.
At Shaya Digestive & Liver Clinic, evaluation begins with a detailed discussion of symptoms, diet, medical history, medications, and lifestyle factors. Diagnostic evaluation may include:
Comprehensive Medical History
Understanding symptom patterns often provides valuable clues.
Blood Testing
Laboratory studies may help identify:
H. pylori Testing
Testing may be recommended when stomach-related symptoms are present.
SIBO Breath Testing
Used to evaluate bacterial overgrowth within the small intestine.
Colonoscopy
May be recommended depending on age, symptoms, family history, and risk factors.
Upper Endoscopy (EGD)
Can help evaluate reflux, gastritis, ulcers, and upper digestive tract disorders.
Dr. Saranya Addepally is a board-certified gastroenterologist with six years of clinical experience, treating a broad range of digestive and liver conditions. She is especially passionate about women’s GI health—areas where patients often feel overlooked or hesitant to seek care.
Her medical journey began in India, where she completed her training before moving to the United States to pursue advanced education in medicine and Gastroenterology at the University of Arkansas.
After several years in practice, she relocated to Houston to continue serving patients in the community. Following two years with a local group, she established her own practice, grounded in the principles and core values she believes are essential to delivering thoughtful, patient-centered care.
SIBO is an overgrowth of bacteria in the small intestine that causes bloating, gas, and digestive problems by fermenting food too early.
It often develops from slow gut motility, prior surgery, structural issues, low stomach acid, or conditions like IBS and diabetes.
The main test is a breath test that measures hydrogen and methane gas after you drink a sugar solution.
They overlap and share symptoms, but they are different. Some people with IBS also have SIBO, which is why testing helps.
It can recur, especially if the underlying cause is not treated. Addressing motility and other factors lowers the chance of relapse.
A temporary low-FODMAP diet often reduces symptoms while the overgrowth is treated. Your team will guide you on reintroducing foods.
Treatment reduces the bacterial overgrowth and addresses whatever allowed it to develop. After a breath test confirms SIBO, your gastroenterologist builds a plan that may include:
At Shaya Digestive & Liver Clinic, we provide:
There is no single “quick fix” for SIBO, and it responds well to the right treatment. See a gastroenterologist if bloating and irregular bowels persist or you have weight loss or anemia. At Shaya Digestive & Liver Clinic we focus on treating the overgrowth and its cause. To lower your risk:
Offering Fast Track GI appointments
Specialized Gastroenterology Appointments Within 3–5 Business Days
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