Why Do I Have Lines In My Fingernails
Camila Farah
Fungal infections are considered a common cause of black streaks in fingernails.
If your body is low in protein calcium zinc or vitamin a a deficiency can sometimes. No matter what the cause may be you should always have a doctor check any melanonychia. Thin black lines compared to stripes mean 2 different things. This fingernail condition includes black lines on the nails nail discoloration and or excessive pigmentation.
These lines can be a natural occurrence if you have a dark complexion. More seriously a black line or lines can be melanoma. So a skin condition such as eczema may lead to fingernail ridges. The lines are not caused by injury to the cuticle or nail area.
Iron deficiency anemia can even lead to vertical ridges and modifications to the nails that make them spoon shaped or concave. However if you have similar lines on many nails or a pair of lines that runs all the way across the nail these could be an indication of a more serious underlying condition. The simple answer to what fingernail lines may indicate is that they are very often insignificant. They may also cause your nail to thicken creating a more obvious or severe deformity within the nail.
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The lines have been linked to low levels of a protein called albumin. Skin dryness can also cause these ridges. Albumin is found in the blood. This is especially true when it comes to the vertical lines on the nails which may start at or just above the moons or cuticles and extend upward to the nail tips.
A single ridge in the middle of the nail for instance could be a sign of a nutrient deficiency like protein or folic acid. Thin black lines is a splinter hemorrhage which occurs when blood vessels under the nail are from an injury such as hitting.
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