Warfarin Sodium + Heparin Sodium Interaction

Majorinteraction on record

Description

Heparin may prolong prothrombin time; at least 5 hours after IV or 24 hours after SC heparin dose should elapse before blood draw for valid PT.

Mechanism

Heparin prolongs one-stage prothrombin time

Source: NLP:heparin sodium in sodium chloride