Tranexamic Acid to Prevent OpeRation in Chronic Subdural Hematoma

Inclusion Criteria: * On CT confirmed cSDH * Primary conservative treatment, based on clinical symptoms: Glasgow Coma Scale score \>=14, mNIHSS score \<=4 and a stable neurological deficit (no new, or progression of, symptoms between the assessment by the neurologist and the assessment by the neurosurgeon). Exclusion Criteria: Primary surgical treatment based on one or more of the following symptoms or parameters: medically intractable headache, midline shift \>10mm, imminent death within 24 hours; * Structural causes for subdural haemorrhage, e.g. arachnoid cysts, cortical vascular malformations and a history of cranial surgery \<1year; * Aneurysmal subarachnoid haemorrhage; * Active treatment for deep vein thrombosis, pulmonary embolism or cerebral thrombosis (secondary prophylaxis is not considered to be active treatment); * Active intravascular clotting or disseminated intravascular coagulation; * Known hypersensitivity or allergy to TXA or to any of the ingredients; * History of a blood coagulation disorder (hypercoagulability disorder); * History of severe impairment of renal function (eGFR \<30ml/min or serum creatinine \>150μmol/L); * History of anaemia (haemoglobin \<6mmol/L); * History of convulsions; * History of inability to safely swallow oral medication. * Inability to obtain informed consent from the patient or legal representative (when the patient has a depressed level of consciousness as described in paragraph 11.2), including language barrier;