section name header
DDx
⬇
Herpes simplex
Primary syphilis
(chancre)
Chancroid
Lymphogranuloma venereum
Granuloma inguinale
Trauma
Behçet’s syndrome (usually glans)
Systemic lupus erythematosus
(usually glans)
Neoplasm
(usually glans)
Lichen planus
Related DDx
⬆
Penile papules & other lesions
Penile pain