My mom has had some kind of cold/bronchitis/cough for the last six weeks, and it doesn't appear to be getting any better. You can hear the mucous rattling around when she coughs, but she says she cannot get it up -- it just moves around in her upper chest. The cough is a full, phleghmy bark, and it tends to come in fits. She'll be fine for a while and then hacking.
Her doctor has called it sinusitis and tracheitis, but she's been on three courses of antibiotics -- Zithromax, Doxycycline, and now she's finishing 7 days of Biaxin -- and nothing seems to make it better. She doesn't have a fever (running around 99.0) and she says she doesn't feel particularly sick outside of her respiratory system (i.e. no aches, pains, fatigue).
She underwent chemo and rads for breast cancer last year, and during the course of this cold/infection/whatever it is, had her oncologist-required lung CT with contrast. It showed nothing out of the ordinary , but I'm concerned about what this cough could possibly be - and how she could can get rid of it...
I know I was once put on prednisone for a cough that didn't go away, but any ideas?
Viral infections like a cold can cause inflammation of the airways of the lungs. This may cause a cough, especially with activity or laughing. If a virus were the cause none of the antibiotics your mom took would be effective in getting rid of the infection. If bacteria were the cause then the antibiotics would have gotten rid of the infection.
After the cold is gone, it is possible for the inflammation to linger. This inflammation can last for several weeks. Sometimes this inflammation may linger for 3 to 6 months. Eventually the inflammation will go away, and then the coughing will stop. This is called reactive airways disease (RAD) and behaves a lot like asthma. On a simple breathing test, called spirometry, this may not show up. This inflammation often clears more quickly when it is treated with an inhaled steroid medicine, which is given to treat asthma. Your mom may get well again by using an inhaled steroid every day. Usually this medicine does not provide immediate relief of symptoms. It may need to be used every day for several weeks to months for it to help. Sometimes an oral steroid, like prednisone, is given for a short period of time instead of the inhaled steroid. Your mom
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