Gas gangrene Can be caused by various clostridia - eg, Clostridium perfringens, Clostridium septicum, Clostridium novyi and Clostridium histolyticum. See separate Gas Gangrene article. Tetanus Caused by Clostridium tetani. [patient.info]

Like its cousins, the Clostridia that cause tetanus, botulism, and gas gangrene, C. diff passes through a life cycle in which the actively dividing form transforms itself into the spore stage. [health.harvard.edu]

A fourth patient, treated by the upper gastrointestinal route, was hospitalized for Fournier gangrene. [academic.oup.com]

Toxic megacolon is a clinical diagnosis based on severe systemic toxicity and radiological findings (see below) while bowel perforation presents as acute abdomen with abdominal rigidity and septic shock. B. [clinicaladvisor.com]