A brain clot can disrupt blood flow and lead to serious outcomes like stroke if not treated swiftly. Early warning signs include sudden severe headache, weakness or numbness on one side of the body, slurred speech or confusion, blurred or double vision, dizziness and loss of balance — all signals that need urgent medical attention. Recognising these symptoms early and consulting experts like Dr Arvind Nanda can make a life-saving difference in timely diagnosis and care.