›Metronidazole 400 to 500 mg orally twice daily for 7 days
›Concurrent partner treatment for bacterial vaginosis
›IV antibiotics for cellulitis with systemic toxicity
›Cefazolin 1 to 2 g IV every 8 hours as initial therapy
›Piperacillin-tazobactam 3.375 g IV every 6 hours if polymicrobial or necrotising concern
›Add vancomycin 15 to 20 mg/kg IV every 8 to 12 hours if MRSA risk
Fournier's gangrene treatment
›Immediate surgical debridement
›Surgical emergency: do not delay for imaging if diagnosis is clinical
›Wide debridement of necrotic tissue until viable margins
›Broad-spectrum IV antibiotics
›Piperacillin-tazobactam 3.375 g IV every 6 hours plus
›Vancomycin 15 to 20 mg/kg IV every 8 to 12 hours plus
›Metronidazole 500 mg IV every 8 hours for anaerobic coverage
›Adjust based on culture results
›Adjunctive hyperbaric oxygen
›Consider at centres with availability as adjunct to surgical debridement
Non-infectious and dermatological treatment
›Irritant or contact dermatitis
›Remove offending agent
›Hydrocortisone 1% cream topically twice daily for 5 to 7 days
›Emollients for barrier restoration
›Non-specific inflammatory or recurrent balanitis
›Pimecrolimus 1% cream topically twice daily
›Evidence from Georgala et al. 2007 supporting use in recurrent non-specific balanitis
›Hydrocortisone 1% cream short course as alternative
›Avoid potent topical steroids long-term on genital mucosa (risk of atrophy)
›Lichen sclerosus (balanitis xerotica obliterans)
›Clobetasol propionate 0.05% cream topically once daily for 4 to 12 weeks
›Potent topical corticosteroid is first-line
›Urology follow-up mandatory for premalignant monitoring
›Circumcision: curative for phimosis; does not eliminate malignancy risk
›Zoon (plasma cell) balanitis
›Tacrolimus 0.1% cream topically twice daily
›Effective in case series; reduces inflammation
›Circumcision is definitive treatment
›Topical mupirocin: case reports of resolution with monotherapy (Lee and Cohen, JDD 2017)
›Circinate balanitis (reactive arthritis-associated)
›Treat underlying reactive arthritis
›NSAIDs for joint and mucocutaneous inflammation
›Dapsone for severe or refractory circinate balanitis (Bakkour et al., CED 2014)
›Paraphimosis reduction
›Manual compression of oedema with bimanual pressure for 5 to 10 minutes
›Then reduce foreskin over glans with thumbs on distal glans and fingers proximal
›Local anaesthetic penile block prior to reduction in severe cases
›If manual reduction fails: emergency dorsal slit by urology
›Biopsy for atypical or refractory lesions
›Punch biopsy 3 to 4 mm under local anaesthesia
›Send for histopathology and consider PAS stain for fungi
›Circumcision
›Definitive treatment for recurrent balanitis in uncircumcised men
›Consider in phimosis, lichen sclerosus, Zoon balanitis
›Reduces recurrence rate significantly
Diabetes management in balanitis
›Glycaemic optimisation
›Screen all recurrent or refractory cases with fasting glucose and HbA1c
›Target HbA1c < 53 mmol/mol (7%) to reduce candidal recurrence
›Initiate or optimise hypoglycaemic therapy in collaboration with primary care
›SGLT2 inhibitors increase genital infection risk; counsel patients on this