The tablet Mucinac 600 is very big and should not be swallowed.
It is to be dissolved in half glass water and drunk.
food track burning sensation indicates that she has developed esophagitis
( inflammation of foodpipe ).
Avoid hot , spicy foods.
Your mother may need to take tablets for acidity and nausea.
Total body burning sensation could be due to neuropathy ( nerve injury
) caused by linezolid
in zifi turbo.
These symptoms could also be due to her lung infection
progressing by not responding to oral medicines.
You should consult a pulmonologist
/physician nearby who will decide whether to continue the drugs or change them.