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As the nail grows, this can cause a dark line to extend the length of the nail. These growths can have benign or cancerous causes. Melanocytic activation: This is an increase of melanin deposits ...

What deficiency causes black lines on nails? Deficiencies in vitamin B12, vitamin D, and protein can cause dark lines in nails. Other causes can include cancer, too much iron, and other health ...

Melanonychia is a brown or black color in your nail. It can affect your fingernails or toenails. It can be in one nail, a few nails, or all of your nails. Melanonychia can have many different ...

Just as pigmented lesions on the skin can vary widely from freckles to lentigines to nevi to melanoma, similar pigmented lesions can be seen in nails. Melanonychia, brown or black pigmentation in the nail plate, can frequently present a diagnostic challenge for the dermatologist. While most causes of melanonychia are benign, it is important to…

A black line in the nail may be simply a color variation, but it can also result from an injury. Other possible causes include the use of certain drugs and various health conditions, including HIV ...

Causes of a black line on the nail include vasculitis, psoriasis, and lichen planus. Other causes include chemotherapy drugs and antimalarials. Treatment focuses on addressing the root cause and improving the nail’s aesthetic. Methods include a eating balanced diet and placing noncolored gel on the nail.

Brown lines or dark stripes on the length of your fingernails or toenails (longitudinal melanonychia) have many causes—from vitamin deficiencies to cancer. Learn more. ... This article will cover the causes of longitudinal melanonychia, what happens in nail cells that cause the black or brown lines, the symptoms of melanonychia, as well as ...

5. Subungual Melanoma: The Most Serious Cause Behind Black Lines on Nails. Subungual melanoma is a rare but aggressive type of skin cancer that forms under the nail. It usually shows up as a dark brown or black line on the nail, which can look like harmless conditions but actually poses serious health risks. Key Identifying Features:

Medications: Certain medications, such as chemotherapy drugs, may cause dark lines to develop on the nails as a side effect. Fungal Infections: In some cases, fungal infections affecting the nail bed can cause discoloration, including the appearance of black lines. Melanoma: While rare, melanoma, a type of skin cancer, can also manifest as ...

This is because the folds in these nails are deeper and cause the nail surface to become uneven. ... which describes black-brown vertical lines in the nail plate, could indicate a wide range of ...

Hannah Lee is a celebrity manicurist.. Common Causes of Black Lines on Nails. Splinter hemorrhage (nail trauma) Fungal infection. Melanonychia. Melanoma. Black Lines on Nails From Longitudinal ...

Diagnosing the Cause of a Black Line on Your Nail. So, you've got located a black line for your nail, and you are thinking what to do next. The first step is to look a physician, ideally a dermatologist. They will carry out an in depth exam to determine the cause of the street and propose the correct treatment, if important. Physical Examination

Health recently posted an article on the causes of melanonychia. While a black line on a patient’s nail is a common presentation, melanonychia may have a harmless cause or it may be a sign of a more serious health condition. How should a dermatology clinician conduct a workup for melanonychia, and when is a biopsy necessary? For…

Common Causes of Black Lines on Nails. Black lines on nails can develop for various reasons, ranging from minor external factors to more serious medical conditions. Some causes are harmless and temporary, while others may require medical attention. Non-Worrisome Causes. Nail Injuries: Bumping or hitting your nail can break small blood vessels ...

The fungal infection that causes black line on nail or sometimes white or yellowish discolouration of the nails is called onychomycosis. Connective tissue disorders: Several connective tissue disorders like Lupus or systemic lupus erythematosus, Raynaud’s syndrome, Scleroderma or Systemic sclerosis, etc. also cause the development of black ...

Initially, the appearance of black lines or dark spots on the fingernail or toenail may be noticed. This may be noted on one or more fingers, and can be by other symptoms such as pain, swelling or nail deformities. ... The main causes of black nails are: 1. Direct trauma. A blow to the nail can lead to bruising, which can turn the nail black ...

Not all marks on your nails are cause for alarm. "A black line that extends longitudinally from the cuticle to the free edge of the nail is often pigment," board-certified dermatologist Joshua ...

This can make black lines on your nails. Medicines: Certain medicines, like ones for chemotherapy, can make black lines on your nails. Fungus Problems: Sometimes, if a fungus affects your nail, it can change the color and make black lines. Serious Skin Cancer: Though it’s not common, a kind of skin cancer called melanoma can also make black ...

Dark lines on nails, also known as longitudinal melanonychia, can be a cause for concern for many individuals.While they may be harmless in some cases, they can also indicate underlying health issues. Understanding the anatomy of nails and the potential causes of dark lines can help in determining the appropriate course of action for diagnosis and treatment.