Like all surgeries, osteotomies are not without possible complications. In order to minimize the possibility of a blood clot heparin is given. Local complications such as bleeding and infections are possible. There is a small possibility that the bone can take longer than expected to heal or even that it will not heal at all; necessitating further surgery and bone grafts. The plate used for fixing the bone lies just beneath the skin and often causes irritation of the overlaying soft tissue. It may also restrict the range of movement of the knee. It is therefore usually necessary to remove the plate 6 months after surgery. This is a small procedure and requires an overnight stay in hospital.

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