It's Ingrown Nail Season, Again

Dear Doctors:

I’ve had a problem with an ingrown nail on my big toe every soccer season I can remember. Last fall, when it got infected and especially painful, I went to my brother’s family doctor. He took out the whole edge of the nail and showed me a spike of nail that had been hidden under and was piercing into the skin. After a week of soaking and taking an antibiotic, I was a happy camper. NOW I’VE GOT THE SAME PROBLEM! How can that be if he took away the whole edge (even under the cuticle)?

Signed,

Most Frustrated Camper

Dear Camper,

First, you should know that what your doctor did was most probably temporary procedure from the start. The cells that manufacture new nail plate were left intact. Most ingrown nails are one-time occurrences; once the "bad growing" nail is removed, the replacement that grows in behind it is normal. In such a case, the problem was just temporary, and there was no need to destroy the so-called "matrix cells." To better explain this, let’s go back to the basics of nail anatomy (yes, we had to take a course in this in podiatric medical school) to see what caused the problem. Then we’ll discuss the temporary and permanent procedures (and their rationale) and finish-up with some extras: Nail Pathology. (No, it was part of the SAME course).

Terms

Please take a minute to study the diagrams of the nail. (No quiz, though.) Especially note the NAIL PLATE, NAIL BED, and MATRIX. Also, know that the skin beside the nail is termed the NAIL FOLD.

The Ingrown Nail

An ingrown nail is made of two components - the flesh (skin or nail fold) and the nail plate which may have a SPICULE. Most usually, the edge of the ingrown nail is irregular. This may be from trauma (which splits the nail) or from inappropriate trimming (you missed the absolute last bit of the nail’s edge when cutting). As the irregular border presses into the flesh, it may or may not hurt. With time and nail growth, the place where it presses may become a minor cut, a great place for bacteria to hang-out. (And better yet, your foot will be in a warm, dark, and maybe MOIST shoe - microorganisms LOVE that!) PUS and the accompanying INFLAMMATION (swelling, redness, pain and warmth) are signs of an infection. Now two things have to resolve: the infection and the original offender, the spicule.

Soaking in warm salt water as well as use of an antibiotic ointment will help fight the infection. This may also soften the spicule, which may eventually grow out, away from the skin. If it continues to pierce the flesh, often a GRANULOMA forms. This, so-called PROUD FLESH, is red, angry tissue, a bundle of nerves and vessels at the spot of irritation. It is a very good idea to see a doctor to address both aspects of the concern. She or he may do a partial nail avulsion (that is, take away the offending portion of nail and clean-up the site while the to is numb), and may suggest the use of antibiotics to clear up any nasty-looking infection. You will experience MUCH relief (as our previously-HAPPY CAMPER can profess, immediately. It’s even worth the anxiety over the needle, which admittedly is the worst part of it for doctor and patient alike.

Avoidance

Although you may not be able to avoid the damage caused by an object falling on your toe nail, or avoid the jamming your toe experiences when you inadvertently but repeatedly kick with your big toe, there are some things you can do to prevent ingrown nails:

Do not use caustic "home cures" on an already ingrown nail. No medicine will make your nails grow straight. You either inherited nail growth tendencies or your environment has set you up, and only proper care will "save" you. Be sure your shoes fit correctly in the toe when you are doing the activity for which those shoes were purchased. That is, is there enough room to kick, fun, jump, dance, etc.?

Recurrence

It takes about six months for a new nail to grow from the matrix cells underneath the cuticle to its full length at the end of your toe. (This is an average; often nails grow faster in children and during the warmer months.) Some times, despite proper care to avoid an ingrown nail and/of prompt medical attention to an earlier one, you may have a recurrence in as little time as four months, as did our friend, CAMPER. In this case, the cause was apparently not temporary. Apparently, either the nail fold remained THICKENED, and an OBSTACLE for the new growth of nail or there was damage to the MATRIX, those cells that fabricate the new nail plate. This calls for more aggressive measures. If we are unable to persuade the new nail edge to grow over the flesh without ingrowing, we may grow over the flesh without ingrowing, we may address that portion of the matrix that is the underlying problem. There’s no NICE way to say it : we kill that section of matrix, either with a strong chemical or we surgically cut out those cells. Your anticipated recovery from this "more permanent" procedure is quite similar to that for the simple partial avulsion, except maybe longer. The reason I refer to this as "more permanent" is because even getting rid of specific matrix cells does not always give "forever relief." (There are few guarantees in medicine, unfortunately.) Many unseen things can happen, and even the surgical procedure carries a chance of regrowth or recurrence of an ingrown nail.

In any given week of practice, we may see quite a variety of toe nail problems. Next issue we will devote another short article to nail problems and their treatments. Fun stuff, eh?

We welcome your comments and your questions. Please e-mail your concerns to Chesterfield Podiatry Associates, c/o Old Dominion X Press


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