TXA in Revision Total Shoulder Arthroplasty

Inclusion Criteria: 1. Patients older than 18 years old 2. Patients younger than 90 years old 3. Patients undergoing scheduled revision total shoulder arthroplasty 4. Patients who consent to be randomized Exclusion Criteria: 1. Patients younger than 18 2. Patients older than 90 years old 3. Patients who are pregnant or breast-feeding women 4. Patients who are allergic to tranexamic acid 5. Patients with proximal humerus fracture or fracture sequelae 6. Patients who use estrogen containing medications (i.e. oral contraceptive pills) 7. Patients who have acquired disturbances of color vision 8. Patients with a history of any of the following diagnosis: ' * Subarachnoid hemorrhage * Active intravascular clotting * Severe pulmonary disease (FEV \<50% normal) * Plasma creatinine \> 115 μmol/L in males, \> 100 μmol/L in females, or hepatic failure) * (Renal impairment serum creatinine \> 1.5 times the upper limit of normal NYU) * Preoperative anemia \[Hemoglobin (Hb) \< 11g/dL in females, Hb \< 12 g/dL in males\] 9. Patients who refuse blood products 10. Patients undergoing hormone replacement therapy 11. Patients with diagnosed or self-reported cognitive dysfunction; 12. Patients who are unable to understand or follow instructions; 13. Patients with severe liver disease, renal insufficiency, congestive heart failure, and/or significant heart disease; 14. Patients with BMI over 50 15. Any patient that the investigators feel cannot comply with all study related procedures.