These happen during cell replacement under your skin to occupy space of dead cells that shade off slowly on the surface of the skin. Beau's lines are a result of an acute kidney disease that interferes with the growth of the nail. Your nails may change over time. A dark mark on your nail might be more serious than you think. Melanin is a brown colored pigment. The simple answer to what fingernail lines may indicate is that they are very often insignificant. Lines that create a horizontal stripe are called Beau's lines. If you have, unfortunately, accidentally hit your fingers, especially the nail bed, chances are, you may get these black line on nails. We are independently owned and the opinions expressed here are our own. The treatment for melanonychia varies depending on the cause. It will go away on its own after a few weeks or months. This maybe due to either the inflammation of blood vessels or capillary damage. Possible complications of melanonychia include nail cancer, bleeding under the nail, splitting of your nail, and deformity of your nail. It may be in one nail or several. This lines or furrows run from the nail bed to the tip of the nail. Your doctor will look primarily for signs that your melanonychia may be malignant. At GorgeousGirl, our staff is a collection of highly skilled cosmetologists, estheticians, and higher education professionals. Hi everybody, I've been searching for hours regarding this topic, but I don't seem to find a posting anywhere that exactly describes my situation, and the ones that kind of do, either don't have an answer or have an answer for something similar, but not exactly what was asked. Dark vertical lines on nails are more common among black people. If you have dark vertical lines/ridges or horizontal ridges (Beau's lines), you should consult with your doctor or a dermatologist (skin specialist) who can better determine if the lines are harmless or cancerous, or caused by malnutrition, dehydration, or other health problems. In full compliance with the FTC guidelines, please assume that any and all links on the table are affiliate links, and we mayreceive compensation if you click one of these and make a purchase. Powdered vitamin C is thought to be more stable than other forms of vitamin C. Here’s how it works and when you may want to use it. Melanonychia is when you have brown or black lines on your nails. Dithranol stained nail. We’re unable to offer personal health advice, but we’ve partnered with JustAnswer who offers on-demand doctors to answer your medical questions 24/7. This condition requires the removal of the tumor which may also include amputation of your finger or toe. These lines can also mean nothing. The may mean that you’ll lose all or part of your nail. More rarely, they’re a…, White spots on your fingernails are common and usually do not indicate a serious problem. The outlook for malignant melanonychia is not as good. Cancer of the nail is challenging to catch in the early stages because of its similarities to the benign causes of melanonychia. A splinter hemorrhage is a tiny blood clot that can create a vertical discoloration beneath the nail. Dark vertical lines on the nail can develop as a result of aging. This bleeding may be due to the swelling of blood vessels or any capillary harm and may also point out quite a lot of center related issues. What Causes Some Men to Have Dry, Brittle Hair and How to Treat It, deformity in your foot that causes friction with your shoes, taking antibiotic or antifungal medications, if an infection is the cause, treating the underlying disease or medical condition causing the melanonychia, over two thirds of the nail plate is discolored. 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