Final answer:
Bacterial infections are the cause of suppurative cutaneous infections, toxic shock syndrome, and food poisoning. Staphylococcus aureus is common in skin infections and toxic shock syndrome, while food poisoning can be triggered by bacteria in contaminated food.
Step-by-step explanation:
Suppurative cutaneous infections, toxic shock syndrome, and food poisoning are primarily caused by bacterial infections. Conditions such as pyoderma and acne are often associated with Staphylococcus aureus and Propionibacterium acnes, respectively. These bacteria enter through breaks in the skin or other portals of entry, leading to pus formation, inflammation, and in some cases, a systemic response resulting in toxic shock syndrome.
Staphylococcus aureus can produce a superantigen toxin (TSST-1) that causes toxic shock syndrome. This condition can occur following localized infections such as sinusitis or from the usage of tampons, where the bacteria have a warm and moist environment to grow. Food poisoning, on the other hand, is often caused by ingestion of food contaminated with preformed toxins produced by bacteria like Staphylococcus and Bacillus species.
Diagnostics typically involves culturing bacteria and possibly antimicrobial susceptibility testing due to the increasing issue of antibiotic resistance. Treatments usually include antibiotics, with specific regimens based on the susceptibility of the bacteria involved in the infection.