Conclusion and Results:
The patient was started on IV ciprofloxacin and metronidazole, resulting in an improvement in diarrhea consistency and frequency until the resolution of symptoms within 4 days of initiating IV therapy.
This case report sheds light on the clinical presentation, diagnostic process, and therapeutic approach for a patient with diarrhea associated with Blastocystis hominis infection. It is crucial to consider parasitic infections in the differential diagnosis of chronic diarrhea. The identification of B. hominis cysts underscores the need for careful clinical consideration. The successful treatment of this case with appropriate antimicrobial therapy demonstrates symptom resolution and highlights the necessity for continued investigation into the pathogenic role of B. hominis.