Common Infections in a Hospitalized Patient - GRUBS-C Mnemonic G - GI (-itis): Cholecystitis, Pancreatitis, Peritonitis, Appendicitis, Colitis, Diverticulitis, C. Diff R - Respiratory: pneumonia, empyema, lung abscess U - Urinary: Urethritis, Cystitis, Prostatitis, Pyelonephritis B - Bacteremia/Blood - Complications: Endocarditis, Osteomyelitis, Spinal Abscess S - Skin / Soft Tissue: Cellulitis, Abscess, Necrotizing Fasciitis C - CNS: Meningitis, Encephalitis #Infections #differential #diagnosis #hospitalized #GRUBSC #Mnemonic #ddx