In balanitis with risk factors such as diabetes or uncircumcised status, which is the most likely diagnosis?

• A. Candidal balanitis
• B. Herpes simplex infection
• C. Molluscum contagiosum
• D. Bacterial balanitis

Answer: (A)

When balanitis occurs in someone with diabetes or who is uncircumcised, the most likely cause is a candidal infection. Candida albicans thrives in warm, moist environments, and the foreskin creates a humid space that, combined with hyperglycemia, promotes fungal overgrowth. This typically presents with itching and burning of the glans and foreskin, along with a white, curd-like discharge and well-demarcated erythema.

Herpes simplex would usually show painful vesicular or ulcerative lesions on an erythematous base, often with regional pain and tenderness, which is not the classic photo for this scenario. Molluscum contagiosum presents as dome-shaped, flesh-colored papules with central umbilication, not the itchy, discharge-heavy balanitis picture. Bacterial balanitis tends to have more purulent discharge and odor with irritation, but the hallmark risk factors here point toward a fungal etiology.

Treatment focuses on antifungal therapy (topical azoles like miconazole or clotrimazole, and good hygiene with thorough drying) and addressing diabetes control to reduce recurrence, along with maintaining cleanliness under the foreskin to minimize moisture.