While fungal toenail infections don’t usually cause much pain and discomfort in the early stages, as the problem progresses, the nails will become discolored and brittle, and a foul odor is often emitted as the fungi feed on your skin, oils, and sweat.

Common Toenail Conditions: Has the texture or color of your toenails changed? You need to pay attention to changes in your color and texture of your toenails. It may be an early warning of toenail ailments and help you avoid some of the more troubling problems.

For soccer players, ingrown toenail condition can occur when cleats that are too narrow are worn and frequent pressure is applied to the toenail from hitting the inside of the cleats.