This is a very difficult problem to handle once there is infection in the bone. It is a prolonged process to cure that, and if there is damage to tissue it is sometimes better to remove the infected tissue to prevent further spreading of the infection. It sounds as if your father is in good hands, but maybe he should discuss his concerns with his doctor - only if his doctor understands his concerns can it be addressed. The medical route of antibiotics are very important in the management of infection.
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