* patients with severe and/or uncontrolled medical conditions with significantly compromised organ function. * patients who were hospitalized from the before due to other reasons. * contraindication / possible drug interaction with famotidine with existing therapy. * immunocompromised patients. * pregnancy, pulmonary tuberculosis, aids

* patients with severe and/or uncontrolled medical conditions with significantly compromised organ function. * patients who were hospitalized from the before due to other reasons. * contraindication / possible drug interaction with famotidine with existing therapy. * immunocompromised patients. * pregnancy, pulmonary tuberculosis, aids

- patients with severe and/or uncontrolled medical conditions with significantly compromised organ function. - patients who were hospitalized from the before due to other reasons. - contraindication / possible drug interaction with famotidine with existing therapy. - immunocompromised patients. - pregnancy, pulmonary tuberculosis, aids

- patients with severe and/or uncontrolled medical conditions with significantly compromised organ function. - patients who were hospitalized from the before due to other reasons. - contraindication / possible drug interaction with famotidine with existing therapy. - immunocompromised patients. - pregnancy, pulmonary tuberculosis, aids

- patients with uncontrolled clinical status who will require intensive care support from the beginning. - patients with uncontrolled comorbid conditions. (bronchial asthma, copd exacerbation, ischemic heart disease, uncontrolled diabetes mellitus, advanced renal and hepatic disease, carcinoma, immuno-compromised patients and etc.) - contraindication / possible drug interaction with famotidine with existing therapy.

- patients with uncontrolled clinical status who will require intensive care support from the beginning. - patients with uncontrolled comorbid conditions. (bronchial asthma, copd exacerbation, ischemic heart disease, uncontrolled diabetes mellitus, advanced renal and hepatic disease, carcinoma, immuno-compromised patients and etc.) - contraindication / possible drug interaction with famotidine with existing therapy.