A07.8

Clinical Causes: Infection with microsporidia, a group of spore-forming unicellular parasites Infection with Trichomonas organisms, typically transmitted through sexual contact or contaminated water Ingestion of food or water contaminated with Sarcocystis parasites Consumption of undercooked or contaminated meat harboring Sarcocystis cysts Poor hygiene practices that facilitate the spread of protozoa Immunocompromised states increasing susceptibility to opportunistic protozoal infections

Key Symptoms: Diarrhea, which may be persistent or episodic Abdominal pain and cramping Nausea and vomiting Weight loss over time Loss of appetite Fever in some cases Fatigue and general malaise Bloating and gas

Diagnosis Path: Diagnosis typically involves stool tests to identify the presence of protozoan spores or cysts. Microscopic examination, special staining techniques, and molecular methods like PCR can be used to confirm the specific organism responsible. Additional tests might include blood work or biopsies in certain cases, especially in immunocompromised patients. Healthcare providers may also evaluate exposure history and risk factors to aid identification.

Treatment Protocols: Treatment varies depending on the specific protozoal infection. Medications such as antiparasitic agents are commonly prescribed to eliminate the organisms. Supportive care, including hydration and nutritional support, may be recommended to manage symptoms. It's essential to follow medical guidance for proper diagnosis and effective treatment, particularly in immunosuppressed individuals where infections can be more severe.