A 41-yeаr-оld mоrbidly оbese mаle presents to the primаry care clinic with complaints of a "red, painful, and itchy" penis. Upon examination, you note a red, pin-point, inflamed rash on the head and shaft of the penis that appear to have satellite lesions (see photo). You also note edema and purulent exudate. When considering the probable differential diagnosis, which of the following underlying conditions should you consider that may be contributing to the patient having this differential diagnosis?