The Tranexamic Acid group will receive an intravenous bolus of (10 mg/kg) in 100 ml of normal saline over 20 minutes after induction of anesthesia and before surgical incision. In the control group, patients will receive a placebo of 100 mL 0.9% normal saline. The primary endpoint is reduction in blood loss, while the secondary endpoint was the number of patients needing transfusion and occurrence of postoperative thrombotic complications (myocardial infarction, stroke, pulmonary embolism, renal failure, or bowel infarction) within 30 days after surgery.

Inclusion criteria

• ASA 1 and ASA 2 patients scheduled for colorectal cancer surgery.
• Age above 18 years & less than 65 years.

Exclusion criteria:

• Thrombophilia or any bleeding disorder.
• Previous or active thromboembolic disease.
• Family history of thromboembolism.
• Known Allergy to TA.
• Liver dysfunction.
• Preexisting renal dysfunction (serum creatinine >1.2 mg/dL).
• Coronary stent insertion within a year prior to operation.
• Cardiovascular problem (e.g., myocardial infarction, atrial fibrillation, angina, heart failure),
• Lifelong warfarin therapy for thromboembolism prophylaxis.