Symptoms

Signs and symptoms possibly associated with blastocystis include:

• Watery diarrhea
• Nausea
• Abdominal pain
• Bloating
• Excessive gas
• Loss of appetite
• Weight loss
• Anal itching
• Fatigue

When to see a doctor

See your doctor if you have signs and symptoms, such as diarrhea or abdominal pain, that lasts longer than three days.