Overview
SIFO involves excessive fungal growth (often yeast) in the small intestine. It commonly follows antibiotic use, immunosuppression, or microbiome disruption.
Symptoms
• Bloating
• Gas
• Fatigue
• Nausea
• Brain fog
• Diarrhea
Risk Factors
• Recent antibiotics
• Diabetes
• Steroid use
• Immune suppression
• High-sugar diet
• SIBO
Diagnosis
• Small bowel culture (rarely done)
• Clinical evaluation + response to treatment
Treatment
• Antifungal medications (fluconazole, nystatin)
• Low-sugar diet
• Probiotics
• Motility support
Self-Management
Tracking carbohydrate tolerance and symptom flares helps guide diet strategies and identify patterns.