Calluses and Corns
About Calluses and Corns
What is it?
Corns and calluses are thick, hardened layers of skin that develop when your skin tries to protect itself against friction and pressure. They most often develop on the feet and toes or hands and fingers. Corns and calluses can be unsightly.
If you’re healthy, you need treatment for corns and calluses only if they cause discomfort. For most people, simply eliminating the source of friction or pressure makes corns and calluses disappear.
If you have diabetes or another condition that causes poor blood flow to your feet, you’re at greater risk of complications from corns and calluses. Seek your doctor’s advice on proper care for corns and calluses if you have such a condition.
What causes it?
You may have a corn or a callus if you notice:
- A thick, rough area of skin
- A hardened, raised bump
- Tenderness or pain under your skin
- Flaky, dry, or waxy skin
Corns and calluses are not the same things.
- Corns are smaller than calluses and have a hard center surrounded by inflamed skin. Corns tend to develop on parts of your feet that don’t bear weight, such as the tops and sides of your toes and even between your toes. They can also be found in weight-bearing areas. Corns can be painful when pressed.
- Calluses are rarely painful. They usually develop on the soles of your feet, especially under the heels or balls, on your palms, or on your knees. Calluses vary in size and shape and are often larger than corns.
Pressure and friction from repetitive actions cause corns and calluses to develop and grow. Some sources of this pressure and friction include:
- Wearing ill-fitting shoes. Tight shoes and high heels can compress areas of your feet. When footwear is too loose, your foot may repeatedly slide and rub against the shoe. Your foot may also rub against a seam or stitch inside the shoe.
- Skipping socks. Wearing shoes and sandals without socks can cause friction on your feet. Socks that don’t fit properly also can be a problem.
- Playing instruments or using hand tools. Calluses on your hands may result from the repeated pressure of playing instruments, using hand tools, or even writing.
Common treatments?
Treatment for corns and calluses usually involves avoiding the repetitive actions that caused them to develop. You can help resolve them by wearing properly fitting shoes, using protective pads, and taking other self-care measures.
If a corn or callus persists or becomes painful despite your self-care efforts, medical treatments can provide relief:
- Trimming away excess skin. Your doctor can pare down thickened skin or trim a large corn with a scalpel, usually during an office visit. Don’t try this yourself because it could lead to an infection.
- Callus-removing medication. Your doctor may also apply a patch containing 40 percent salicylic acid (Clear Away, MediPlast, others). Such patches are available without a prescription. Your doctor will let you know how often you need to replace this patch. He or she may recommend that you use a pumice stone, nail file or emery board to smooth away dead skin before applying a new patch. You can also get a prescription for salicylic acid in gel form to apply on larger areas.
- Shoe inserts. If you have an underlying foot deformity, your doctor may prescribe custom-made padded shoe inserts (orthotics) to prevent recurring corns or calluses.
- Surgery. In rare instances, your doctor may recommend surgery to correct the alignment of a bone causing friction.
Providers
Our approach & expertise
Our practice has skilled dermatologic experts who have the experience and knowledge to provide effective solutions for your particular needs and goals. Our focus on you as a person is what makes us different from others, and we’ll be with you each step of the way with empathy, advice, and support. Healthy skin is our passion. Contact us today if you have calluses or corns so that we can help you deal with this often embarrassing condition.
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