Bleeding after Tonsillectomy (circa 2010) 5 years old patient Bleeding after tonsillectomy is a very rare, but potentially life-threatening event. The often quoted probability of bleeding after this surgery is 1 in 1000 . Many surgeons have statistics much better than this. I like to consider myself in this "better" group. But... no matter how good you are, if enough tonsillectomies are performed, statistically, a significant bleed after tonsillectomy will occur at some point no…