Final answer:
The infection is likely due to Staphylococcus aureus, a gram-positive bacterium, and requires treatment with antibiotics and possible surgical intervention. Hyperbaric oxygen therapy may be used in severe cases like gas gangrene.
Step-by-step explanation:
The infection described is likely caused by Staphylococcus aureus, a type of gram-positive bacterium known for causing wound infections and possibly necrotizing fasciitis. The presence of sulfur granules suggests the possibility of actinomycosis, which typically requires different management, but given the context, S. aureus seems more likely. The draining yellow material signifies pus, often associated with staph infections, which can be treated with appropriate antibiotics. Rapid skin infections with yellowish discharge, severe inflammation, and a fast progression might also indicate a serious and potentially life-threatening condition like gas gangrene, particularly if accompanied by gas formation in tissues.
Treatment of such infections typically involves antibiotics such as penicillin or clindamycin and may require surgical intervention, including debridement or amputation in severe cases. If Staphylococcus aureus is confirmed and there are no signs of antibiotic resistance, penicillinase-resistant antibiotics like nafcillin or oxacillin may be used. For methicillin-resistant S. aureus (MRSA), vancomycin or linezolid could be indicated. Additionally, supportive measures such as drainage of abscesses and good wound care are crucial. In some cases, particularly with gas gangrene, hyperbaric oxygen therapy might be beneficial since Clostridium species are anaerobes and cannot survive in high oxygen environments.