The most common symptom of<unk>  is the discolouration of the infected nail as it turns a dark<unk>  colour, due to the bacteria secreting the<unk>  pigments Pyoverdin and Pyocyanin. The patient can also suffer from tenderness surrounding the infected nail along with redness and swelling.
Green nail syndrome
Yellow nail syndrome
Blue toe syndrome
Shell nail syndrome
Median nail dystrophy
Elejalde syndrome
Scimitar syndrome
Barraquer–Simons syndrome