http://lad.nafri.org.la/agrovoc/thes_la_show.php?mainword=%E0%BA%A7%E0%BA%B1%E0%BA%99%E0%BA%99%E0%BA%B0%E0%BB%82%E0%BA%A5%E0%BA%81&mainid=7997&lang=LA

think it is Tuberculosis (TB). it can be treated, but the treatment can take 6 months or longer. if you stop the medicine halfway, the disease can come back. more information here:

http://en.wikipedia.org/wiki/Tuberculosis

I agree with 'Tuberculosis'

pneumonia is ປອດບວມ
 
Tuberculosis is ວັນນະໂລກ

And what is ປອດແຫ້ງ ?

If you never agree with 'Tuber' you can say 'Dry lung' ha, ha, ha.