In Charcot joints from syphyllis, a characteristic x-ray finding is exuberant heterotopic bone.
In patients with cat bites and infection, think pasteurella multicidans, and treat with penicillin, even though it is a gram negative aerobic rod.
Erythromycin is both ototoxic and hepatotoxic.
Most aminoglycosides are nephrotoxic.
Gas gangrene is treated with extensive debridement/amputation, penicillin, and hyperbaric oxygen.
Necrotizing fasciitis is most commonly caused by alpha hemolytic strep
For multibug infections of the foot, clinda is a good choice of antibioitic.
The appearance of gram positive spore forming rods is very concerning – c. perfringens.
Length of delay before treating acute osteo is a risk factor for developing chronic osteo.
In a patient with liver disease, be wary of prescribing flagyl.
Actinomycosis is NOT a fungus, as the name suggests – it is a gram positive bacteria and has been known to cause osteomyelitis. It is treated with penicillin.
Flouriquine can cause visual problems.