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Doctor insights on: What Causes Bumps And Ridges In Fingernails

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What causes ridges & bumps on fingernails?

What causes ridges & bumps on fingernails?

A number of things: Nail issues really need to be examined to determine a clear diagnosis and possible cause. However, some ridges can be entirely normal. Repetitive trauma can cause nail changes as can disease states. ...Read more

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Dr. Jane van Dis
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Fingernails (Definition)

Fingernails are the hard coverings at the end of fingertips. Nails are made out of a protein called keratin. they function to protect the fingertip and to increase sensitivity of touch. Good hand hygiene and nail care is important to prevent bacterial ...Read more


Dr. Jane van Dis
Board Certified
12 years in practice
43M people helped
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What causes ridges and bumps on fingernails?

What causes ridges and bumps on fingernails?

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

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What causes a horizontal ridge or bump on a fingernail?

NAIL RIDGE FINGER: A SINGLE HORIZONTAL FINGERNAIL RIDGE IS HARMLESS. IT DEPENDS ON WHICH NAIL, WHEN IT BEGAN, WHAT HABIT DO YOU HAVE WITH THAT PARTICULAR NAIL, AND MORE OF A HISTORY. IT SOUND BENIGN AND HARMLESS. IF YOU ARE CONCERNED, SEE A DERMATOLOGIST. ...Read more

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Dr. Jane van Dis
Board Certified
12 years in practice
43M people helped
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What causes bumps in fingernails?

What causes bumps in fingernails?

Varies: Bumps in the fingernails of patients can result from trauma or focal compression on the nail matrix. It can also be a sign of a systemic disease process. Follow with your doctor for further evaluation. ...Read more

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I have a bump under my thumbnail. No other fingernails are affected. I have hypothyroidism. What could be the cause?

If your thyroid: Level has been normalized by the proper amount of brand name T4 replacement, the bump is not due to your thyroid. There are many possible causes. Have your doctor take a look at it and help figure it out. ...Read more

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I have horizontal ridges or bumps on my left thumb and right middle fingernails. May sound trivial but have never had them. Should i be concerned?

I have horizontal ridges or bumps on my left thumb and right middle fingernails. May sound trivial but have never had them. Should i be concerned?

Usually...: ...Due to a mild trauma to the growth plate of the nail (just under the cuticle) at some point in the past, with the ridge moving along the nail as it grows. ...Read more

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I have ridges or bumpy fingernails on my right hand. I've been diagnosed with hypothyroidism, Interstitial cystitis, fibro, tachycardia, anxiety. I have bumps that stay on my arms (rash) and thighs. They will also pop up behind my ears and down my nec

I have ridges or bumpy fingernails on my right hand. I've been diagnosed with hypothyroidism,  Interstitial cystitis,  fibro,  tachycardia,  anxiety. I have bumps that stay on my arms (rash) and thighs. They will also pop up behind my ears and down my nec

CONSULT DERMATOLOGIS: With your History of Multible Medical Conditions,and you have to on few medications and the rash you described It is very difficult to say what is causing the bumps on your arms and thighs I will suggest you consult a Dematologist to find what these bumps are due to ...Read more

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Dr. Jane van Dis
Board Certified, Obstetrics and Gynecology
12 years in practice
43M people helped
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