Foot doctors frequently get asked this, both in clinical situations and in family occasions. Corns don't have roots. When a podiatrist gets rid of a corn, they actually do have a tendency to return, and not as they have roots. Corns return because the reason for the corn or callus remains. A corn is an region of skin, usually on a toe that becomes thicker and uncomfortable. The cause of that thickened region of skin is too much pressure. It's very normal for the skin to get thicker to protect itself. Look at what occurs after you chop loads of wood and develop a callus on the hands. That's a normal protecting physiological of the skin thickening up to take care of itself. Once you stop chopping wood, the calluses disappear altogether as the stress that caused them has stopped.
It is the identical process with a corn or callus on the feet. The skin gets thicker in a reaction to force. There are actually many reasons for that elevated stress. There may be a bunion or claw toes or a fallen metatarsal or the shoes are too tight. Because of the raised force the epidermis begins to thicken up like the calluses on the hands as you chop wood. Nonetheless, as opposed to chopping timber the stress on the foot from the footwear or toe deformity isn't going to stop and as that pressure continues the epidermis will continue to get thicker. The callus is a much more diffuse region of thickened skin and a corn is a smaller sized but much more discrete and deeper region of thickened epidermis. Eventually it gets so thick it will be sore. A competent podiatrist will be able to remove that painful callus or corn without much difficulties and typically it will no longer end up being sore. However, if the cause of that increased stress is not taken away, then the corn or callus will come back. This is where the myth they may have roots originated from. They're not like organic vegetation which have roots which they grow from. The podiatric doctor didn't neglect to eradicate the root base. They keep returning as the cause is still there.
For you to once and for all do away with a corn on the foot, then the trigger really needs to be eliminated. As soon as the corn has been reduced, after that that should provide fast relief of pain. A good podiatrist will likely then investigate further and determine what might have been causing the corn along with what can be done to remove that cause. It could be as simple as offering shoe tips and using different or much better fitting shoes. In addition, it could be as sophisticated as requiring surgery to, for example, remove a bunion that might have been resulting in the elevated pressure. Sometimes if you have a callus on the bottom of the foot, foot orthotics are often used to minimize the stress in those locations. The important thing to grasp is that foot corns do not possess roots and they've got an underlying cause. If you wish to stop them ever coming back then you need to take off that reason.