Doctor insights on:
What Causes Black Lines In Fingernails
Blood clots: Tiny blood clots, usually broken off from heart valves then float to the end arteries of the fingertips and get caught in the capillaries of the nail bed. They are not dangerous in and of themselves, but could be reflective of a heart problem. ...Read more
Fungis infection: Most of the case are due to Onycomicosis or fungis infection. ...Read more
Beau's lines: Beau's lines, which are grooves that run horizontally across the nail plate. They usually develop when nail plate growth, which begins in the nail matrix (located under the cuticle), is temporarily disrupted. This can occur with direct injury to the nail matrix; an inflammatory condition such as psoriasis; infection around the nail plate; repetitive picking at the nails or cuticles; or sickness. ...Read more
Many reasons: Vertical ridges on nails are basically harmless & can be related to heredity, aging, & nail dryness or injury. The appearance of ridges may be reduced by regular moisturizing of the nail & cuticle & avoidance of harsh soaps that are drying. Nail appearance can reflect overall health and nutrient status so supplementation may help. Consider fish oil, biotin, &/or a multivitamin with minerals. ...Read moreSee 2 more doctor answers
Fingernail problem: There are many reasons for the deformation of the fingernails. Among these are some very important systemic diseases. Many facets of fingernail growth are assessed by dermatologist when she or he he looks at them. See a dermatologist now. No excuses. ...Read moreSee 1 more doctor answer
It depends: Changes in fingernails can be indicative of an underlying medical disorder. Ridges or bumps can be related to iron deficiency. Anemia, lupus, heart disease, and thyroid disorders can also can changes to the fingernails. Fungal infection also can cause bumps and discoloration of the nailbed. ...Read more
Can be a lot: Fingernail disorders can be wide and varied as far as causes. Dermatologists are experts in fingernail diseases. White markings, called leukonychia, can be caused by trauma, infections, drugs, or other systemic diseases. ...Read more
Nail issues: The best thing would be to have it checked out as it could be anything from fungal infection to injury or other disease. If you have ridges it could also be fungal infection but it is difficult to say without looking at it. See your doctor. If it developed acutely it could be an injury but you would have known it since it would be painful to have it bleed and have the blood underneath turn dark. ...Read moreSee 1 more doctor answer
What are the vertical ridged striations in my fingernails caused by, and is this cause for alarm?
Soft nails: A number of concubines can result in linear striations poor nutritional state, low vitamin levels. Two products which can strengthen the nails are deramanail and genedur. The addition of oral digestive enzymes is useful for strengthening weak nails according dr jonathan wright of the tahoma clinic. ...Read moreSee 1 more doctor answer
I have a small single black line on the tip of my fingernail. It looks like a small splinter...What could it be?
I've noticed small/thin black lines keep appearing under the tips of my fingernails over the past few days. What could this be from?
Splinters: Thin longitudinal black lines under fingernails can be what doctors call "splinters" & can reflect tiny blood clot emboli that get caught there, where there are end arteries & capillaries. Such tiny clots end up there after being generated inside left chambers of heart. Cardiologist exam indicated & urgently if dizzy, feverish, chest pain, irregular heart beats or shortness of breath. ...Read more
I have horizontal dents in some of my fingernails. I heard this can indicate certain health problems. Can this happen without any underlying cause?
Usually not: This usually is from a stressful event in life that interrupts nail growth. ...Read more
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