Heparin Sodium Solution For Injection - Beprin 1000ml & 5000ml - Taj Pharma - Heparin is used to treat and prevent blood clots in the veins, arteries, or lung. Heparin is also used before surgery to reduce the risk of blood clots. Heparin is an anticoagulant (blood thinner) that prevents the formation of blood clots. Learn about Heparin Sodium Injection (Heparin Sodium Injection) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications.