Can corns be contagious?

Written by Zhu Zhu
Dermatology
Updated on September 05, 2024
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Corns are not contagious; this condition is usually caused by prolonged friction and compression. Corns are characterized by thickened skin, commonly found on the soles of the feet, the front-middle parts of the toes, and the outer edges of the little toes. If corns develop, it is important to eliminate the cause. If there is long-term friction or compression on the feet, it must be avoided. Wear appropriate shoes to reduce pressure and friction. For treatment, you can apply corn treatment ointments. (For specific medications, please administer them under the guidance of a professional physician and do not self-medicate blindly.)

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Written by Liu Gang
Dermatology
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Can a corn be squeezed out?

Using squeezing as a method to treat corns is not effective, and it will not extrude them. Corns are mostly formed due to foreign bodies entering the skin and repeated friction. After the onset of this condition, walking can be painful and uncomfortable. The most standard and direct method is to use a corn plaster for local application. These corrosive medications can completely clear the corns. If the effect is not very good, one can also go to the dermatology department of a regular hospital to undergo cryotherapy with liquid nitrogen. After cryotherapy, blisters form locally, which gradually heal, causing the corn to necrose and fall off. Therefore, after this disease occurs, it is essential to seek proper treatment and not to use squeezing. This method can cause pain in the corns and may also lead to symptoms of redness and infection.

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Written by Zhang Da Wei
General Surgery
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There are many small flesh spikes in the corn.

Corns often contain many small flesh spikes, and this condition might be due to plantar warts, caused by factors such as local compression and friction. This disease is actually a type of common wart, usually resulting from abnormal local skin proliferation, leading to keratinization. Physical therapy or surgical methods are generally used to improve this condition. Physical therapy mainly involves excision and separation, and it is essential to use some softening solutions to prevent extensive bleeding. Surgical options mainly include laser and cryotherapy, which can effectively treat and improve the condition, and further analysis and determination can be done based on the specific situation.

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Written by Zhu Zhu
Dermatology
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What is a corn like?

Corns are a common skin disease, closely related to prolonged standing or constant friction and compression under the feet. Corns consist of a hyperkeratosis forming a circular or oval, yellowish appearance. They generally cause severe pain once they develop, and prompt treatment is necessary. This can include the use of topical medications or physical therapy methods, such as laser treatment.

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Written by Zhu Zhu
Dermatology
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What is the difference between a viral wart and a corn?

Viral warts and corns, though similar in appearance, have significant differences. In terms of cause, viral warts are caused by an infection of the human papillomavirus and are contagious. Corns, on the other hand, are not contagious and are caused by long-term pressure, friction, or tight shoes. In terms of treatment, corns can often be cured through laser treatment or medication. Viral warts need to be treated with antiviral medications, along with physical treatment methods such as cryotherapy with liquid nitrogen. (Please use medication under the guidance of a doctor)

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Written by Huang Ling Juan
Dermatology
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Can I apply corn plaster if the corn has burst?

If a corn has broken open, you should not continue to apply corn plaster to it, as the plaster is somewhat corrosive. Since the skin of the corn has already been damaged, you should not use this medicated plaster until the skin has healed. Corns typically develop on the skin due to prolonged friction and pressure on the foot skin. Wearing ill-fitting shoes for a long period, or having deformed feet or toes, can also lead to the development of corns. If you have a corn, you can apply corn plaster locally, or visit a formal hospital to receive treatments such as cryotherapy with liquid nitrogen or using a carbon dioxide laser. If the corn has broken open, pay attention to the cleanliness and hygiene of the foot to prevent further infection. You can apply iodine locally for disinfection.