Final answer:
The patient's symptoms are characteristic of a severe infection called necrotizing fasciitis, which rapidly destroys the skin's soft tissue and fascia.
Step-by-step explanation:
The patient's symptoms of moderate to high amounts of drainage and edema of the left lower extremity are characteristic of a severe infection called necrotizing fasciitis. This condition is caused by bacteria that rapidly destroy the skin's soft tissue and fascia. The symptoms described in the question, such as drainage, edema, blistering, and discoloration, are consistent with the rapid progression of necrotizing fasciitis.