Phental Mefenamic Acid Heparin Sodium
MajorIncreased bleeding risk from combined effects on platelets and coagulation.
These medicines can affect each other in a serious way. Do not start taking them together unless your doctor has said it is OK. If you already take both, do not stop either one on your own: speak to your doctor or pharmacist soon.
Clinical management: Avoid unless essential; monitor for bleeding and coagulation parameters.