Can there be an over-the-counter numbing medicine that could be used on an ingrown toe nail?

No. An ingrown nail undercuts the skin and usually is painful and can get infected. The pain is a warning that you have a problem. The nails need trimming to eliminate the sharp edge and very hot foot soaks can be helpful you podiatrist can assist in this and probably has a cure.
No. Over the counter numbing medications do not penetrate deep enough to affect the nerves that supply the entire digit.

Related Questions

What can I do to heal an ingrown toe nail?

See a podiatrist. And let them remove it for you. Read more...
Soak, see podiatrist. Soak foot in epsom salt and warm water. Make an appointment with your local podiatrist as soon as possible to have ingrown nail borders removed. By waiting too long you may develop an infection which may delay your healing. Read more...
Pain, redness. Redness and pain along the nail border, sometimes with drainage indicates an ingrown toenail. If your ingrown nail is infected, you'll likely need antibiotics, and possibly a nail procedure. While waiting to see your doctor, soak the toe 10 min/day in luke warm water and epsom salts, use a small amount of topical antibiotic ointment, and cover with a bandaid. Read more...

What can I do to eliminate an ingrown toe nail?

Pain, redness. Redness and pain along the nail border, sometimes with drainage indicates an "ingrown toenail". If your ingrown nail is infected, you'll likely need antibiotics, and possibly a nail procedure. If you can't get in to see a doctor, soak the toe 10 min/day in luke warm water and epsom salts, use a small amount of topical antibiotic ointment, and cover with a bandaid. Read more...
Get rid of. Ingrown nail. A simple procedure in office under local and takes no more than 5 minutes to do. Either by avulsion or with matrixectomy. Read more...
Not the right choice. Ingrown toenails can be temporarily remedied through soaking your foot in warm water, removal of embedded debris from the nail borders, and applying an antibiotic ointment to temporarily soften the corners. If you have continued pain, redness or drainage, get it looked at by a professional as you may need to have the ingrown nail border removed and you may need antibiotics. Read more...

What do you advise if I want help with an ingrown toe nail?

Ingrown Nail. Nails should be cut straight across and allowed to grow past the cuticle a couple millimeters. If the ingrown nail is red, swollen,  tender or has any drainage, you must be seen by a Podiatrist to have it resected appropriately.   . Read more...

I would like help with an ingrown toe nail?

It may hurt, but... There is a small piece of nail still embedded in the corner. You need to get that out. If you can't get it out on your own, a podiatrist can. Sometimes this can be done without numbing the toe, but often, anesthesia is necessary. If it is a chronic condition, there is a very successful surgery that can be done to permanently correct the problem. Read more...
Nail care. Ingrown toenails can be remedied through soaking your foot in warm water, removal of embedded debris from the nail borders, and applying an antibiotic ointment to temporarily soften the corners. One should always try to cut the nails strait across to avoid leaving an embedded nail spicule. If pain or redness continues get it looked at by a professional. Read more...