Leukonychia Totalis (partial or totalis white nails) |
Congenital (leukonychia totalis): autosomal dominant syndrome |
Terry nails (either all or only proximal 80% of nail bed is white): liver disease (cirrhosis) |
Half-and-half nails (pink proximally, white distally): renal failure, uremia |
Leukonychia punctata (white spots) |
Minor trauma to nail cuticle or matrix |
Transverse striate leukonychia (white lines) |
Muehrcke lines (transverse white lines): hypoalbuminemia |
Mees lines (transverse white lines): heavy metal poisoning (arsenic), renal failure |
Green nails | Pseudomonas pyocyanea infection (candidiasis) |
Blue and brown nails | Medication side effect (quinacrine, chloroquine, minocycline [blue nails], doxorubicin, melphalan, bleomycin,
daunorubicin) |
Wilson disease |
Ochronosis |
Psoriasis |
Alopecia areata |
Consider staining (nicotine, potassium permanganate, varnish) |
Black nails (melanonychia) |
Medication side effects (cyclophosphamide) |
Melanonychia striata: common in dark-skinned persons; idiopathic or secondary to trauma or chemotherapy |
Nevus (uniform brown longitudinal streak localized to nail) |
Melanoma (longitudinal brown-black streak that may encompass entire nail) |
Hematoma |
Yellow Nail Syndrome | Lymphedema |
AIDS |
Bacterial infection |
Fungal infection (onychomycosis) |
Psoriasis |
Alopecia aerata |
Cardiopulmonary diseases |
Red nails (including red and white streaks) |
Darier disease |
Glomus tumor |