RETELEX KIT INJECTION 2S should not be used if you are allergic to any of the components in RETELEX KIT INJECTION 2S, in patients with active internal bleeding, recent stroke, recent intracranial or intraspinal surgery or serious head trauma, intracranial neoplasm (brain tumour), arteriovenous malformation, or aneurysm (ballooning and weakened area in an artery), known bleeding diathesis (tendency to bleed or bruise easily), or severe uncontrolled hypertension. RETELEX KIT INJECTION 2S may cause bleeding, hypersensitivity reactions, or cholesterol embolism. Inform your doctor if you have/had recent major surgery, cerebrovascular disease, recent gastrointestinal/genitourinary bleeding, hypertension, subacute bacterial endocarditis, severe hepatic or renal disease, if you are over 75 years or if you are taking any oral anticoagulants. Consult your doctor if you are pregnant or breastfeeding. The safety and effectiveness of RETELEX KIT INJECTION 2S in children have not been established.