Nail fungus may be painful, especially when treatment is started too late. Common causes of painful nail infection include: a swollen nail fold, thickening of the nail or complete separation from the nail plate.
It can be uncomfortable and even painful to wear shoes, walk or stand for long periods of time. Treating nail fungus will help to reduce the pain. Painful ingrown toenails are commonly caused by incorrect trimming, ill-fitting shoes or heredity.
A fungal infection may affect part of the nail, an entire nail, or several nails. Usually a fungal nail infection isn't painful. But without treatment, over time, it can become increasingly uncomfortable or painful to wear shoes, walk or even stand for long periods.