If a Toenail Is Partially Detached, What Should You Do?

A partially detached toenail occurs when the nail plate lifts away from the nail bed beneath it. This separation, medically known as onycholysis, can affect a single nail or multiple nails. The detached portion often appears discolored, turning white, yellow, or greenish. This is a common condition.

Understanding Partial Toenail Detachment

Various factors can lead to a toenail partially detaching from its nail bed. One frequent cause is physical trauma, such as stubbing a toe or dropping a heavy object on it. Repeated friction or pressure, often from ill-fitting shoes during activities like running, can also contribute to this separation. This type of injury can cause blood to collect under the nail, known as a subungual hematoma, which can then push the nail away from the bed.

Fungal infections, specifically onychomycosis, represent another common reason for toenail detachment. Fungi can grow between the nail and the nail bed, causing the nail to thicken, discolor, and become brittle, eventually leading to its separation. The nail may appear yellow or white, and in some cases, a foul smell might be present.

Certain underlying medical conditions can also manifest as toenail detachment. Psoriasis, an autoimmune condition, can weaken the nails and cause them to lift from the nail bed. Thyroid disorders, eczema, and lichen planus are other systemic conditions that may contribute to onycholysis. Some medications, including certain chemotherapy drugs or retinoids, can cause nail separation. Long-term exposure to moisture or harsh chemicals, like those found in some nail polish removers, can also damage the nail structure, making it more prone to detachment.

Immediate Steps and When to Seek Care

If you notice a partially detached toenail, several immediate steps can help manage the situation and prevent further complications. Gently clean the affected area with mild soap and water to remove any dirt or debris, then dry it thoroughly. Applying an antibiotic ointment and covering the area with a clean bandage can help protect the exposed nail bed from infection. Do not force the nail off if it is still partially attached; allow it to detach naturally or seek professional help.

Protect the nail from further trauma. Wearing open-toed shoes or protective footwear can minimize additional pressure or friction on the affected toe. If only a small portion is loose, carefully trimming the detached part with nail clippers can prevent it from catching on clothing, but avoid cutting any part that is still firmly attached.

While many cases of partial toenail detachment can be managed at home, certain signs indicate the need for professional medical attention. Seek care if you observe signs of infection, such as increased redness, swelling, warmth, pus, or persistent pain around the nail. A healthcare provider should also be consulted if the detachment resulted from a crushing injury, involves severe pain, or if there is significant bleeding. Individuals with underlying health conditions like diabetes or poor circulation should consult a doctor for any nail issues due to increased complication risk.

Professional Treatment and Recovery

When medical attention is sought for a partially detached toenail, a healthcare professional will assess the cause and extent of the detachment. Common treatments may involve carefully trimming away the loose, detached portion of the nail to prevent further tearing and reduce the risk of infection. If an infection is present, such as a fungal or bacterial infection, the doctor may prescribe oral or topical antifungal or antibiotic medications. In some cases, particularly with severe trauma or persistent issues, surgical removal of the entire nail might be considered to allow a new, healthy nail to grow.

Recovery requires patience, as a new toenail takes time to grow back fully. For toenails, regrowth ranges from 12 to 18 months, and can take up to two years. During this time, keep the nail bed clean and protected to encourage healthy regrowth and prevent reinfection. Protect the regrowing nail from trauma.

Preventing Future Issues

Taking proactive steps can help prevent future instances of toenail detachment. Wear properly fitting footwear, ensuring shoes are not too tight and provide adequate space for the toes, especially during physical activities. Trim toenails correctly, straight across and not too short, to prevent ingrown nails and detachment. Protect feet during activities that might cause trauma, such as by wearing protective shoes. Promptly address any signs of fungal infections, and manage underlying health conditions that affect nail health, like psoriasis or thyroid disorders, to prevent future issues.