Hello and welcome to HCM,
As you have mentioned that you are suffering from MS, there is possibility of the heart valves being involved.
Diseased or abnormal heart valves can be affected by infective endocarditis
in the presence of an infectious focus in the body (pneumonia
A culture sensitivity of the sputum (if cough
is productive) or induction of sputum needs to be done.
It is quite possible that the the strain of kleibsella has acquired resistance to common antibiotics since, the infection seems to be hospital acquired.
Besides medication, nutritional supplements like proteins
need to be taken for building up good immune system.
also help in improving the immunity.
Thanks and take care
Dr Shailja P Wahal