Caleb Foster
If you notice that one of your nails is growing over another, it could be a condition called onycholysis, which is when the nail separates from its nail bed. This can be caused by a variety of factors, including injury to the nail or nail matrix, fungal infections, and reactions to chemicals in nail products. Onycholysis is typically not painful, but it can cause the nail to change colour and may require treatment to resolve. In some cases, it may be a symptom of an underlying health condition. It is important to consult a healthcare professional if you notice any changes in your nails to ensure proper diagnosis and treatment.
| Characteristics | Values |
|---|---|
| Medical name | Onycholysis |
| Cause | Trauma to the nail, fungal infection, graft-versus-host disease (GVHD), psoriasis, thyroid condition, vitamin deficiency, eczema, peripheral artery disease (PAD), nail matrix melanoma, injury to the nail matrix, chemotherapy, or major stress |
| Symptoms | Nails separate from the nail bed, nails become thick and yellow with white spots or streaks, nails change colour to yellow, greenish, purple, white or grey, nails lift or peel away from the nail bed, nails become pitted, nails become curved |
| Treatment | Antifungal medication, oral antifungal medication, topical antifungal medication, diluted vinegar, topical medication, vitamin D, corticosteroids, custom-made insoles, diluted tea tree oil, clean socks, dry air, short nails, gloves, hairdryer on low heat |
| Prevention | Keep nails trimmed short, avoid biting nails, be careful when cleaning underneath nails, avoid chemicals or products that can irritate nails, avoid bandages, gloves or creams on the affected area |
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What You'll Learn
- Onycholysis: a nail separates from its nail bed, often due to injury or fungal infection
- Nail matrix damage: severe injury or illness can cause nail matrix damage, leading to nail loss
- Nail infections: bacterial or fungal infections can cause nail discolouration and lifting
- Skin cancer: melanoma under the nail is indicated by a new or changing dark streak
- Nail psoriasis: a common condition causing white lines, pitting, and crumbling of the nails
Onycholysis: a nail separates from its nail bed, often due to injury or fungal infection
Onycholysis is a common nail disorder characterised by the detachment of the nail from the nail bed. It typically affects a single nail, although it can occur in multiple nails. The condition is usually painless and often starts at the tip and/or sides of the nail. While it can affect both toenails and fingernails, it is most commonly observed on the ring finger.
Onycholysis can occur due to various reasons, including trauma or injury to the nail or nail matrix, fungal infections, and skin diseases. Nail trauma can result from manicures, tapping nails on hard surfaces, wearing tight shoes, or prolonged exposure to water. Additionally, fungal infections can cause nails to become thick and yellow, with white spots and streaks.
The treatment for onycholysis aims to promote new nail growth that remains attached to the nail bed. Keeping nails short and trimmed is essential to prevent further trauma to the nail bed. Avoiding nail polish, nail gloss, nail hardeners, and nail polish removers is recommended, as these products can irritate the nails and the surrounding skin. In some cases, antifungal medications or oral pills may be prescribed to address fungal infections.
The recovery time for onycholysis varies, with fingernails taking 4 to 6 months to fully regrow and toenails taking twice as long. It is important to determine the underlying cause of onycholysis to ensure effective treatment and prevent recurrence.
While onycholysis itself is typically not painful, secondary infections under the nail can cause discolouration and may require specific treatment. Overall, the key to managing onycholysis is to identify and address the underlying cause, promote new nail growth, and prevent further trauma to the nail bed.
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Nail matrix damage: severe injury or illness can cause nail matrix damage, leading to nail loss
The nail matrix is the part of your body responsible for nail growth. When the nail matrix is damaged, it can cause nail growth disorders, changes in nail appearance, and pain. In some cases, it can even lead to nail loss.
Nail matrix damage can be caused by mechanical injuries, such as pinching or crushing your finger, dropping something heavy on your toe, or wearing tight shoes. These injuries can create micro-injuries that disrupt the process of healthy nail growth, leading to thinner nails, deeper grooves, and ridges. Improper nail care procedures, such as cuticle picking or pushing, aggressive manicure removal, and improper use of a drill, can also damage the nail matrix.
Additionally, certain health conditions and illnesses can affect the nail matrix. Fungal, bacterial, or viral infections can trigger inflammation and weaken the nail. Severe eczema and psoriasis can also interfere with nail growth, causing changes in texture and colour. Serious health events, such as a heart attack, COVID-19, or pneumonia, can interrupt nail growth and cause horizontal ridges. Chemotherapy and other medications may also cause nail colour changes and slow nail growth.
It is important to seek medical advice if you suspect nail matrix damage. While it is rare for the nail matrix to be permanently damaged, preventing nail regrowth, proper care and treatment can promote nail regeneration. This may include podological treatment, pharmacological interventions, and consistent adherence to care recommendations.
To prevent nail matrix damage, it is essential to practice proper nail care and hand hygiene. Avoiding nail-biting, using protective gloves during risky activities, and being cautious with nail polish and chemicals can help maintain the health of the nail matrix.
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Nail infections: bacterial or fungal infections can cause nail discolouration and lifting
One nail growing over another could be indicative of onycholysis, a condition where the nail separates from its nail bed. This can occur due to trauma or injury to the nail or nail matrix, such as bumping or hitting the nails, wearing ill-fitting shoes, or prolonged exposure to water. However, it is important to consider other possible causes, including fungal or bacterial infections, which can lead to nail discolouration and lifting.
Fungal nail infections, often affecting the toenails, cause the nail to become thick, discoloured, and brittle. They develop slowly, usually starting at the edge of the nail and spreading. The nail may turn white or yellow and crumble or break easily. Fungal infections occur when fungi get between the nail and nail bed through cracks or cuts. Candida is a common type of fungus responsible for toenail fungal infections. Treatment for fungal infections typically involves oral or topical antifungal medications, which need to be used consistently for several months.
Bacterial nail infections, known as paronychia, occur when bacteria enter broken skin near the cuticle and nail fold. It commonly affects individuals exposed to irritants like detergents and chemicals. Symptoms include pain, swelling, and redness around the nail, along with the build-up of pus. Treatment for bacterial infections involves antibiotics and, in some cases, draining the pus. Soaking the infected nail in warm water can also aid healing.
To prevent and manage nail infections, it is essential to maintain proper nail hygiene and avoid nail biting. Keeping nails trimmed and avoiding exposure to irritants can reduce the risk of infection. In the case of fungal infections, it is advisable to seek treatment promptly, as they can be challenging to eradicate. For bacterial infections, prompt treatment is crucial to prevent the spread of the infection beyond the nail area.
While nail infections can often be treated at home, it is important to seek medical advice if symptoms persist or worsen. Healthcare providers can determine the underlying cause and recommend appropriate treatments, including oral or topical medications. In some cases, drainage of pus or nail removal may be necessary.
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Skin cancer: melanoma under the nail is indicated by a new or changing dark streak
Onycholysis, or nail separation, can occur when one nail grows over another. This happens when the nail separates from its nail bed, often due to an injury to the nail or nail matrix. It can also be caused by fungal infections, which cause nails to become thick and yellow, with white spots and streaks. Treatment for onycholysis involves cutting away the separated nail as it grows out, taking antifungal medication, or stopping the use of certain nail products.
Now, regarding skin cancer, melanoma under the nail, also known as subungual melanoma, is a rare type of skin cancer that occurs under the nails. It is indicated by new or changing dark streaks on the nails, colour changes, and nail separation from the nail bed. Subungual melanoma originates in the nail matrix, where keratin forms, and can affect any nail on the finger or toe. It is important to note that melanoma can rapidly spread to other organs if not detected and treated early. Therefore, any changes in the appearance or texture of the nails should be monitored, and medical care should be sought if colour changes or other symptoms persist.
To determine if the changes in the nail indicate subungual melanoma, a doctor will perform a clinical examination and review the patient's medical history. They may also recommend a dermatoscopy or dermascopy, a non-invasive procedure to assess the severity of the condition. In some cases, a full-thickness biopsy may be necessary to confirm the diagnosis.
Once subungual melanoma is diagnosed, treatment options include surgical removal of the affected area, radiation, chemotherapy, immunotherapy, or targeted therapy. The chosen treatment depends on the severity and spread of the cancer to other body parts.
In summary, while onycholysis can cause one nail to grow over another due to various reasons, it is important to be vigilant about any changes in the nails as they may indicate subungual melanoma. Early detection and medical intervention are crucial for successful treatment and preventing the spread of skin cancer.
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Nail psoriasis: a common condition causing white lines, pitting, and crumbling of the nails
One nail growing over another could be a case of onycholysis, where the nail separates from its nail bed. This can be caused by injury to the nail or nail matrix, fungal infections, or reactions to chemicals in nail products.
Now, let's focus on nail psoriasis and its symptoms, including white lines, pitting, and crumbling.
Nail Psoriasis:
Nail psoriasis is an autoimmune condition that affects the fingernails and toenails. It is characterised by nail changes, including white lines, pitting, and crumbling of the nails. Up to 80% of people with psoriasis develop nail psoriasis, and it can cause significant distress.
Symptoms:
- Discoloration: The nail bed may exhibit colours like yellow, red, pink, or brown.
- Pitting: Small dents or pits can form on the nails, ranging from pinhead-sized to crayon tip-sized.
- Changes in nail structure: Nails may develop horizontal grooves (Beau's lines) and become thin and crumble.
Treatment:
While there is no cure for nail psoriasis, treatments can help manage symptoms and prevent worsening. These include:
- Prescription medications: Corticosteroids, calcipotriol (vitamin D-derived), and tazarotene (vitamin A-derived) can treat symptoms like buildup under the nails, nail ridges, thickening, and separation.
- Injections: Corticosteroids or other psoriasis medications can be injected to treat similar symptoms.
- Laser treatments: While still under research, laser treatments may become a future option for treating nail psoriasis.
- Diet and lifestyle changes: These can help manage the underlying condition and improve overall well-being.
If you notice any changes to your nails, it is important to consult a healthcare provider or dermatologist for personalised advice and treatment options.
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Frequently asked questions
This condition is known as onycholysis and occurs when the nail separates from its nail bed. It is often caused by trauma or injury to the nail or nail matrix, but can also be caused by fungal infections, yeast growth, or reactions to chemicals in nail products. Treatment options include cutting away the separated nail, taking antifungal medications, or discontinuing the use of certain nail products.
Deep grooves or gaps in the nails can indicate that something slowed or stopped their growth temporarily. This can be caused by a fever, injury, chemotherapy, or major stress. Other concerning nail changes include horizontal ridges (Beau's lines), which can be caused by severe eczema, heart attack, COVID-19, pneumonia, or chemotherapy; pitted nails, which can indicate a systemic disease; and new or changing dark streaks, which could signal melanoma, the most serious type of skin cancer. Any significant changes to the appearance or texture of the nails should be examined by a dermatologist.
This condition, known as onychogryphosis or Ram's horn nails, occurs when the nails thicken and overgrow. It is important to consult a dermatologist or healthcare provider to determine the underlying cause and receive appropriate treatment. Keeping your nails trimmed and avoiding activities that may harm them can help prevent further complications.
Yes, certain conditions or injuries can cause nails to stop growing temporarily or permanently. Severe nail matrix damage, for example, can result in permanent nail loss. Additionally, peripheral artery disease, which reduces blood flow to the legs and feet, can affect nail growth. In most cases, addressing the underlying cause will help resolve the issue and promote nail regrowth over time.
