Mayo Clinic Health Manager
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Get StartedSymptoms
By Mayo Clinic staffSigns and symptoms that might be associated with a blastocystis infection include:
- Diarrhea
- Nausea
- Abdominal cramps
- Bloating
- Excessive gas (flatulence)
- Anal itching
- Fatigue
When to see a doctor
See your doctor if you have signs and symptoms associated with a blastocystis infection, such as diarrhea, cramps and fatigue that last for longer than three days.