Reiter’s Syndrome (Reactive Arthritis) Mnemonic - "Can’t see, Can’t pee, Can’t climb a tree" (or Can't bend a knee) Classic Post-Infectious Triad: - Conjunctivitis - Urethritis - Arthritis (peripheral oligoarthritis, especially of the knee) Common pathogens: Chlamydia trachomatis, Yersinia, Salmonella, Shigella, and Campylobacter. Additional pathogens: E. coli, C. diff, and C. pneumoniae #Reiters #Syndrome #Reactive #Arthritis #Mnemonic #Rheumatology #Diagnosis #Triad