Hi, Thanks for writing to Health Care Magic, I am Dr Asad Riaz, I have closely read your question and I understand your concerns, I will hereby guide you regarding your health related problem. concor is beta blocker which used in HTN n heart failure patient.. it reduces BP by Dec heart rate n also contractility thereby decreasing BP ... so increase dose will opd course helps to decrease BP ... I hope this answered your question, if you have more feel free to ask. Regards. Dr.Asad Riaz. General and Family Physician..