Fondaflo 7.5 Injection is used to prevent the formation and growth of blood clots that may potentially form during certain surgical procedures and in patients with certain specific medical conditions like acute coronary syndrome (sudden or reduced blood flow to the heart) with or without ST-segment elevation or unstable angina. It also helps in preventing the formation of blood clots in catheters that are placed in veins for a prolonged period of time. This medicine is not recommended for use in children.