SIBO- Small Intestine Bacterial Overgrowth
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SIBO Symptoms

The main symptoms of SIBO are those of Irritable Bowel Syndrome (IBS).  SIBO has been shown to exist in up to 84% of IBS patients and is therefore theorized to be the underlying cause.  It is associated with many other disorders as well, as an underlying cause or as an aftereffect of the pre-existing disease.
IBS Symptoms
Abdominal bloating (gas)
    –belching, flatulence
Abdominal pain, cramps
Constipation, Diarrhea, both

Other symptoms
Heartburn (Reflux or GERD)
Nausea

Leaky Gut Symptoms (I prefer to call this Leaky Small Intestine)
Food Sensitivities
Headaches
Joint Pain
Fatigue
Skin symptoms (such as eczema or rashes)
Respiratory symptoms (such as asthma)
Mood symptoms (such as depression)
Brain symptoms (such as Autism)

Malabsorption Symptoms
Steatorrhea (fatty stools)
Anemia (Iron or B12)
Associated Conditions- see SIBO Diseases for Study links
Acne Roseacea
Acromegaly
Age: Elderly
Alcohol Consumption (moderate intake)
Anemia
Autism
Celiac Disease
Chronic Fatigue Syndrome
CLL (Chronic Lymphocytic Leukemia)
Cystic Fibrosis
Diabetes
Diverticulitis
Erosive Esophagitis
Fibromyalgia
GERD (Gastroesophageal Reflux Disease)
H pylori Infection
Hyprochlorhydria
Hypothyroid/ Hashimoto's Thyroiditis
IBD (Inflammatory Bowel Disease)
    -Crohn's
    -Ulcerative Colitis
IBS (Irritable Bowel Syndrome)
Interstitial Cystitis
Lactose Intolerance
Leaky Gut
Liver cirrhosis
Lyme
Medications:  Proton Pump Inhibitors, Opiates
Muscular Dystrophy (myotonic Type 1)
NASH/NAFLD (non-alcoholic: steatohepatitis/fatty liver disease)
Obesity
Pancreatitis
Parasites
Parkinson's
Prostatitis (chronic)
Restless Leg Syndrome
Rheumatoid Arthritis
Scleroderma
Surgery:  Post-Gastrectomy
In particular, if the symptoms of IBS are present, or one of the associated diseases along with digestive symptoms is present, consider SIBO.

According to Bures et al, "It is mandatory to consider SIBO in all cases of complex non-specific dyspeptic complaints (bloating, abdominal discomfort, diarrhea, abdominal pain), in motility disorders, anatomical abnormalities of the small bowel and in all malassimilation syndromes (malabsorption, maldigestion)."


For more details, please see my article SIBO: Often Ignored Cause of IBS, class videos and the other resources at Learning More.


Site author:  Dr Allison Siebecker
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