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After reading your inquiry, it is my opinion that there is always the possibility your husband's foot infection could clear after the drainage
and antibiotic regimen. However, it has been my experience that severe infection resistant to our "big gun" antibiotic (vancomycin
) is often a failure.
It sounds as if your are describing a condition of osteomylitis, an infection involving the bone. Amputation
is often required to help get ahead of the infection and prevent gangrene
from setting in or progressing.
Unfortunately, diabetics frequently have foot problems stemming from infections that setup in the feet due to the patient's inability to detect damage. The damage is often overlooked due to nerve
involvement called neuropathy. Normally functioning nerves detect damage through pain receptor's which the diabetic patient lacks.
Your physician is going to aggressively treat your husband's infection that may be life-saving in nature. I assure you, amputation is not lightly undertaken and your doctor will do everything in his power to limit the surgical intervention.