Yes, you should discuss with your surgeon.
The doctor has suggested finger amputation for my father. How successful is this method of controlling gangrene from spreading?
Recurrence is a bit odd. Has he been examined? Could the bleeding be something else this time like hemorrhoids? Go back to the surgeon who did the original operation and see what he has to say.
My sister has swelling and excessive pain on her toe, which also has pus and blood secreting. Does she need a surgery?
If the infection is in the bone and deep seated, antibiotics will not likely be sufficient.