Diagnostic approach to balanoposthitis in adolescent boys

STI: sexually transmitted infection; KOH: potassium hydroxide.
​* Patients with urinary retention require prompt measures to facilitate voiding prior to diagnostic evaluation. Refer to UpToDate topics on management of balanitis and balanoposthitis in children and adolescents.
¶ Refer to UpToDate topics on testing for sexually transmitted infections in male patients.
Δ Refer to UpToDate topics on diagnosis of diabetes mellitus.
◊ Medications commonly associated with fixed drug eruptions include antibacterial sulfonamides, tetracyclines, nonsteroidal antiinflammatory drugs, acetaminophen, phenolphthalein, barbiturates, or antimalarial drugs.