Fungal balanitis is more likely if there is intense itching, redness, a moist rash, white patches, or a cottage-cheese-like discharge
Fungal balanitis is more likely if you have diabetes, recent antibiotic use, or a history of yeast infections
Bacterial balanitis is more likely if there is pain, swelling, foul-smelling discharge, pus, or yellow-green discharge
Bacterial balanitis is more likely if there is marked tenderness, skin cracking, or crusting
Fungal balanitis often causes a shiny red rash with irritation and burning
Bacterial balanitis often causes more severe soreness, warmth, and possible spreading redness
Fungal balanitis may worsen after sweating, friction, or moisture
Bacterial balanitis may follow poor hygiene, skin injury, or an infected foreskin
A swab or culture from a clinician is the best way to tell the cause
If symptoms are severe, recurrent, or not improving, medical evaluation is needed