Urethral diverticula
Diverticulum is a shift in the position of the urethra due to the periurethral (Skene's glands) enlargement, possibly due to infection or an anatomical abnormality that manifests later in life.
Skene’s duct cysts or abscesses
Skene's duct cysts and abscesses can cause a range of symptoms including problems urinating.
Hidradenitis suppurativa
HS is a sweat gland condition that causes distressing symptoms that include abscesses and boils on the outer labia and other places.