Whooping Cough Has Been Detected In Our Family And We

Whooping cough has been detected in our family and we are doing the course of antibiotics prescribed to us by our family doctor and tomorrow is our last day to take our last half tablet. Yet today has seen 3 members of our family breaking out in this persistent cough, do you recommend we still take our final tablet tomorrow, I feel the symptons are visible now when they werent before taking the tablets and its brought the symptons on ,we are a family of 7...