puppy kennel cough

My dog has kennel cough has been treated, what needs to be treated again?
I recently bought a puppy who has had a kennel cough since she was six weeks old, she is on medication, but still coughing what needs to be treated again?
What kind medication is being given? Usually, the veterinarian will be an antibiotic to help prevent pneumonia. You also can give a child aspirin dose and Robitussin child to help her fight the cough. In general, kennel cough takes about 14 days to run that course. If she has had a cough that has lasted more than that, could be something more serious than simple kennel cough. She may have pneumonia or "bird dog". If the cough persists, bring it back to your veterinarian as soon as possible. It is also necessary to inform the person who sold you a sick dog to the authorities. Sale of dogs that are not suitable for sale is against the law.
Katie the Boxer Puppy – Kennel Cough