A04.71

Clinical Causes: Overgrowth of Clostridium difficile bacteria in the gut, usually after antibiotic treatment that disrupts normal intestinal flora. Repeated exposure to sources of infection, such as contaminated healthcare environments or contact with infected individuals. Use of immunosuppressive medications that weaken the body's ability to fight off infections. Advanced age, which can impair immune response, increasing susceptibility to recurrent infections. Underlying gastrointestinal disorders that compromise intestinal defenses.

Key Symptoms: Persistent or recurrent diarrhea, which may be watery and urgent Abdominal cramping and pain Fever and chills during episodes of active infection Nausea or loss of appetite Dehydration signs, such as dry mouth, dizziness, or reduced urine output Blood or mucus in stools in severe cases

Diagnosis Path: Diagnosis involves stool tests to detect the presence of Clostridium difficile toxins. Additional assessments may include colonoscopy or imaging if complications are suspected. Recurrent episodes may require multiple tests to confirm ongoing infection or relapse.

Treatment Protocols: Treatment typically involves targeted antibiotics such as vancomycin or fidaxomicin to eradicate the bacteria. In recurrent cases, longer or tapered courses of antibiotics may be prescribed. Supportive care includes maintaining hydration and electrolyte balance. Fecal microbiota transplantation may be considered for multiple relapses. Preventive measures focus on infection control practices and cautious antibiotic use.