Spontaneous Breast Haematoma after Heparin Anticoagulation.

Anticoagulant use can be associated with the adverse effect of bleeding at various sites.Physicians should be cautious of such bleeding which can occur at unsuspected sites.Our patient developed spontaneous breast haematoma after unfractionated heparin anticoagulation, and was successfully managed with cessation of anticoagulation, protamine, desmopressin and blood transfusion.