Clubbing is when your nails thicken and curve around your fingertips, a process that generally takes years. This can be the result of low oxygen in the blood and is associated with:. Koilonychia is when your fingernails have raised ridges and scoop outward, like spoons. Spooning can be a sign that you have:. Nonuniform white spots or lines on the nail are called leukonychia. Sometimes leukonychia is associated with poor health or nutritional deficiencies.
Factors can include infectious, metabolic, or systemic diseases as well as certain drugs. This can be a sign of arsenic poisoning. If you have this symptom, your doctor will take hair or tissue samples to check for arsenic in your body. When the nail plate separates from the nail bed, it causes a white discoloration. This is called onycholysis. This can be due to infection, trauma, or products used on the nails. Pitting refers to small depressions, or little pits, in the nail.
Some systemic diseases can also cause pitting. This is often due to aging, but it can also be caused by:. Sometimes the nail lacks a cuticle and may even pull away from the nail bed. This can be the result of:. These are just some of the signs of abnormal fingernails. In this article, we describe types of nail curving and other nail changes that may need monitoring. We also explore some possible causes. Some or most of the nail may curve outward, away from the nail bed.
For example, a person may have one of the below conditions. With spoon nails, the nails become so soft and curved that they can hold a droplet of water. Doctors often refer to this as koilonychia. This issue may occur in newborns, but it may resolve without needing treatment. In other cases, and in people of other ages, koilonychia can indicate health issues , such as iron-deficiency anemia.
This involves the thickening of the tissue underneath the nail, causing the fingertips to become rounded and the nails to curve over them. Doctors believe this results from increased blood flow to the fingertips. It can run in families and may be harmless, but it may be due to a health condition, especially if it occurs later in life. Nails that curve far inward at the sides are called ingrown nails.
This condition may affect the toenails and be due to wearing shoes that are too tight, particularly in the toe box. Ingrown nails may also result from cutting the nails improperly. In some cases, treatment may involve removing part or all of the nail. The nails may become crumbly or brittle due to :. Curving of the nails sometimes stems from an underlying health issue. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information.
Please try again. Something went wrong on our side, please try again. Show references Habif TP. Nail diseases. Louis, Mo. Accessed Nov. Rich P, et al. But here's the thing -- no matter what I've tried, nail strengthening vitamins, nail strengthening polish, nail strengthening lotions I've tried them all, and yes, I gave them all months and months to work, my nails have always been thin and weak. They grow to a nice, small length then they break or split so I cut them and start again.
My pinky nails are generally stronger than the rest. But the last few weeks, all of my nails, including the pinky have started to curl under it looks like someone has pushed them down in the center of the nail.
Here're some pictures right after the edge of the finger. Now, I don't really care how my nails look as you can see by the pictures , I'm not one to polish and decorate my nails. Too much hassle and too much bother. But this curling under business puts sharp corners on each nail and they catch on everything, and though my nails are thin, they're sharp little buggers, so these little corners poke, cut, and snag.
I've tried keeping them trimmed below the edge of the finger, but they're growing pretty quickly too, and not all at the same rate. Other than vitamin or oxygen deficiency, what could be causing this? Other than keeping my nails cut below the fingertip, is there anything I can do about it? I have had this problem. It's really strange! I think, but it's really hard to say because there are so many variables, that what stopped my nails from curling is filing them to be almond shaped, and keeping them painted all the time with layers of nail polish typically one base coat, 2 coats color, 1 coat heavy duty top coat like Seche Vite.
This requires doing a home manicure like once a week, which I enjoy enough to be worthwhile but I also understand that you're not one to put that much effort into your nails. Wearing rubber kitchen gloves while doing the dishes and other chores helps too - water is bad for nails, it makes them weak. I think your only other option is to just keep them super short.
Nails are weird. My diet doesn't change all that much but mine have over the years sometimes curled, sometimes been amazing and long and strong, and currently are peeling in layers hooray. Anyone who claims to know definitively what causes these things is, IMO, lying or trying to sell you something.
Also, I don't put anything on them. Nail polish and especially polish remover definitely makes mine worse over time, though it's great at the moment.
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