Isla Bennett
There are several reasons why you may have a sore callus growing around your fingernails. A callus is a small area of skin that has become hard and raised due to repeated friction and rubbing. This can be caused by repetitive movements and labour-intensive activities. If you have a sore callus, it could be due to an injury or infection such as paronychia, which causes throbbing pain, redness, warmth, and swelling. Another potential cause is Pterygium Inversum Unguis (PIU), an uncommon condition where the skin under the fingernail thickens and attaches to the underside of the nail as it grows.
| Characteristics | Values |
|---|---|
| Definition | Small areas on your body where the skin has become raised and hardened from repeated friction and rubbing |
| Skin Feeling | Thick and rubbery to the touch |
| Skin Sensitivity | The skin under and around a callus might feel sensitive to pressure |
| Cause | Repetitive movements, e.g. labor-intensive movements, playing guitar, and weightlifting |
| Treatment | May resolve on their own without medical treatment; protective gloves can be worn while they heal; gently exfoliating the area with a pumice stone |
| Complications | Can be a source of irritation if painful or if you don’t like how they look; thickened dead skin can be a source of infection |
| Prevention | Stop the suspected activity that’s causing it; wear protective gloves |
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What You'll Learn
- Calluses are small areas of thickened skin from repeated friction
- Treatment options for calluses include protective gloves and gentle exfoliation
- Paronychia is an infection causing pain, redness, and swelling around the nail
- Hyponychium thickening can be caused by autoimmune conditions or skin conditions
- Pachyonychia congenita is a rare disorder causing thick nails and painful calluses
Calluses are small areas of thickened skin from repeated friction
Calluses are small areas of thickened skin that develop due to repeated friction, rubbing, irritation, or pressure on the skin. They are a protective response, forming to safeguard the skin underneath from damage. While calluses can form anywhere on the body, they are most frequently observed on the hands, feet, and toes, particularly on the bony, weight-bearing areas.
Calluses on the fingers are commonly seen in individuals who engage in activities that create friction or pressure on the fingers, such as writing, playing musical instruments, gymnastics, weightlifting, or crafts. The repeated friction or pressure causes a buildup of hardened, dead skin cells, resulting in a callus.
Calluses typically present as broad-based, diffuse areas of hard growth with relatively even thickness and a rough texture. They can vary in colour, ranging from white to gray-yellow, brown, black, or red. Calluses are usually flat and painless, but they can sometimes become painful, especially if they thicken over time, develop cracks called fissures, or become infected.
To treat a callus, it is recommended to first address the cause of friction or pressure. This may involve wearing protective gloves or modifying activities that contribute to callus formation. Soaking the affected area in warm water and gently exfoliating with a pumice stone can help soften and remove the dead skin. It is important to be cautious and not remove too much skin to prevent bleeding and infection. Moisturizing with lotions containing salicylic acid, ammonium lactate, or urea can also help soften calluses.
In cases of large, painful, or persistent calluses that interfere with daily activities, it is advisable to consult a doctor. They may recommend medical treatments such as shaving off the excess skin, padding, or, in severe cases, surgical correction.
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Treatment options for calluses include protective gloves and gentle exfoliation
Calluses are small areas of raised, hardened skin that develop from repetitive movements and friction. They are often found on the fingers, palms, and toes. While they usually aren't painful or permanent, they can be a source of irritation due to their appearance or if they become painful.
If you have a sore callus growing around your fingernails, there are several treatment options available, including protective gloves and gentle exfoliation:
Protective Gloves
Protective gloves can be worn to prevent calluses from forming or worsening due to friction and pressure. This is especially useful if your job or activities involve manual labor, such as woodworking or weightlifting, which are common causes of calluses. Gloves with extra grip and protection, such as weightlifting gloves, can be beneficial in reducing the formation of calluses.
Gentle Exfoliation
Gentle exfoliation can help remove dead skin cells and soften the hardened skin of calluses. Pumice stones are a popular choice for exfoliating calluses. They are light, porous stones that can be used in gentle circular or side-to-side motions on slightly wet skin. It is important to be cautious and not over-exfoliate, as this can irritate the skin. Soaking the callused area in warm water before using a pumice stone can help soften the skin and enhance the effectiveness of exfoliation.
In addition to pumice stones, there are other exfoliation methods available:
- Exfoliating creams or lotions: These products may contain ingredients like glycolic acid, urea, or ammonium lactate to help remove calluses.
- Baking soda paste: A natural alternative to commercial exfoliating creams, baking soda paste can be made by mixing equal parts baking soda and water and applied to the callus.
- Foot file: A metal grate with a rubber or plastic handle can be used in a similar way to a pumice stone for exfoliation.
With consistent and gentle exfoliation, along with moisturizing, you can help reduce the appearance and discomfort of calluses over time.
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Paronychia is an infection causing pain, redness, and swelling around the nail
Paronychia is a skin infection that occurs around a fingernail or toenail, causing pain, redness, swelling, and discomfort. It usually affects the skin at the base (cuticle) or up the sides of the nail, where the nail meets the skin (the nail fold and cuticle). The condition can develop when bacteria, such as Staphylococcus aureus and Streptococcus pyogenes, enter broken skin near the cuticle and nail fold, causing an infection.
The symptoms of paronychia usually develop over several hours or days, but sometimes they take longer to manifest. The affected area may exhibit redness and warmth to the touch, along with pain, swelling, and tenderness. Pus may build up under the skin, leading to a white to yellow, pus-filled abscess. If left untreated, the nail can undergo abnormal changes, becoming dry, brittle, and discoloured, and it may eventually detach from the nail bed and fall off.
Paronychia can typically be treated at home, especially in its acute form, which often resolves within a few days. Soaking the infected nail in warm water 3 to 4 times a day can help reduce pain and swelling. However, if the infection is severe, does not improve with home care, or exhibits a pus-filled abscess, medical attention is necessary. Antibiotics are usually prescribed to treat bacterial infections, while antifungal medications are used for fungal infections. In some cases, drainage of the abscess may be required.
Chronic paronychia, the more persistent form of the condition, may require weeks or even months of treatment. It is important to keep the affected area dry and protect it from harsh chemicals during this time. Individuals with chronic paronychia may need to wear gloves or use skin-drying creams to manage the condition effectively. Certain occupations that require frequent handwashing or exposure to water and irritants, such as bartending, cleaning, fishing, and dairy farming, can increase the risk of developing chronic paronychia.
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Hyponychium thickening can be caused by autoimmune conditions or skin conditions
The hyponychium is the skin just under the free edge of the nail, located just beyond the distal end of the nail bed, near the fingertip. It forms a tight seal that acts as a protective barrier from germs, debris, bacteria, allergens, and pathogens, preventing their entry under the nails and into the nail bed and matrix. This protective barrier is crucial for the overall health and integrity of the nail unit.
However, the hyponychium can sometimes overgrow and thicken, becoming a problem. This thickening could be caused by an underlying autoimmune or systemic condition, an allergic reaction, or a fungal infection. Exposure to chemicals has also been known to cause this thickening, and the chemicals in gel manicures, in particular, have been suspected, although this is not yet fully proven.
Infection or damage to the hyponychium can lead to a condition called inverse pterygium, where the hyponychium becomes extended and thickened. Inverse pterygium, if left untreated, can cause onycholysis, which is the separation of the nail plate from the nail bed. This can compromise the nail's health, so it is important to maintain good nail hygiene and keep the nail area clean and free from dirt and debris.
If you are unsure what is causing skin growth under your nail, it is recommended to consult a dermatologist, as they specialize in skin and nails and can determine the best treatment.
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Pachyonychia congenita is a rare disorder causing thick nails and painful calluses
Pachyonychia congenita (PC) is a rare genetic disorder that primarily affects the skin and nails. The symptoms usually begin at birth or in early childhood, and the condition impacts people of all genders, races, and ethnicities. PC is caused by mutations in genes that encode keratins, proteins that are the main structural components of skin, nails, and hair. The mutations change the affected keratin proteins in ways that are not yet fully understood.
There are five types of PC, each classified based on the specific keratin gene that is altered. While thickened nails and painful calluses on the soles of the feet are typical of all forms of the disorder, the presence of other features depends on the specific gene affected and the mutation. For example, individuals with PC may also experience thickened skin on the palms of their hands, thick white patches on the tongue and inside of the cheeks, bumps around hair follicles, cysts, and excessive sweating on the palms and soles.
The symptoms and severity of PC can vary widely, even among individuals with the same type of PC or within the same family. Most people with PC develop painful calluses on the soles of their feet, known as plantar keratoderma. These calluses can make walking difficult or even impossible, and many individuals with PC rely on a cane, crutches, or a wheelchair for mobility. Blisters, neurovascular structures, or a deep itch may also develop under or near the calluses, further increasing pain and discomfort.
There is currently no specific treatment for PC, but there are ways to manage the pain and other symptoms. The Pachyonychia Congenita Project is a US-based charity dedicated to supporting individuals with PC and advancing research and drug development for effective treatments and, ultimately, a cure.
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Frequently asked questions
A callus is a thickened epidermis, which is a normal physiological response to prolonged pressure, excessive friction, or chemical and infectious irritations. Calluses usually develop on the feet and toes, but they can also develop under your fingernails. This can be caused by getting gel manicures, wearing acrylic nails, or biting your nails.
You can treat a callus by carefully removing the thickened dead skin. This can be done by shaving away the thick layers of built-up skin with a sterile surgical blade, a process known as debridement. It is important to not remove the callus completely, as this can leave the skin unprotected and lead to inflammation.
If the callus is painful, discoloured, or swollen, it is recommended to visit a dermatologist or doctor. They may recommend cortisone injections to ease the pain.
There are several possible reasons for the development of a callus. It could be caused by an external factor such as lupus or psoriasis, or it could be the result of an autoimmune condition.
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