superinfection
C. difficile-assoc. diarrhea
hypersensitivity reaction
angioedema
anaphylaxis
exfoliative dermatitis
peripheral edema
nausea
dizziness
fatigue
Rifaximin
Lactulose
Sucralfate
Bisacodyl
Ursodiol
Cimetidine
Loperamide
Sulfacetamide