For nail abnormalities due to ingrown toenails, wear shoes that don't squeeze the toes together, and always cut the nails straight across along the top. For pale nails, clubbed nails, blue nails, distorted nails, white lines and horizontal ridges, or white hue under the nails, consult your health care provider to determine the proper way to treat the underlying cause of the problem. For brittle nails, keep the nails short and avoid nail polish . Diagnostic tests will depend on what other symptoms, if any, exist. These common warts are situated around the fingernails and may grow under the fingernail.
Periungual warts are difficult to treat.
This may result from severe illness, chemotherapy, or another damaging event. Although staph, herpes, and Candida are among the most common causes, other organisms may be involved. The greenish color is classic for Pseudomonas. The horizontal lines in the nails are called Beau's lines. Beau's lines may develop after any major metabolic condition.