A bandage with an insertable medical data card consisting of a bandage with a central pocket, a slit for accessing the pocket, a flap for sealing the pocket, and a transparent faceplate on the pocket. The medical data card contains pertinent medical data of a user adapted to be inserted into the pocket of the bandage and the bandage worn upon the body of the user. The bandage is changeable every three to four days and the medical data card can be transferred from one bandage to another. The system provides a wearable medical data card which instantly informs first responders and medical caregivers of the user's pertinent medical information, saving precious time while life saving measures based on the pertinent medical information gleaned from the medical data card are being implemented.