Nail pain may develop due to a nail infection, ingrown nails, or injury to the nail. Nail biting and hangnails can also cause sore fingernails or toenails. Treatment can depend on the underlying ...

I want to note that an ingrown fingernail is similar in terms of how ... from the tip of the toe), and use of isotretinoin in the treatment of severe acne. Ingrown toenail symptoms include pain ...