welcome to health care magic forum,
well as you have already taken antibiotics and other treatment for a bout a month, this shows that it is not just a simple cough
now it has become chronic and now you need to take homeopathic
treatment, this will help u a lot, and you will get cured..
Show to a good homeopath in your city or yu can mail us at email@example.com or visit us at www.drkackerhomeopathy.com