
Paronychia is a bacterial or fungal infection that causes inflammation of the skin around a fingernail or toenail. It can be acute or chronic. Acute paronychia appears suddenly and causes pain, swelling, and redness. It typically occurs after an injury to the nail area, such as biting or tearing the cuticle. Chronic paronychia develops slowly and is often associated with distorted, ridged, and discoloured nail plates. It can cause the nail to separate from the skin and become thick, hard, and deformed. While paronychia usually clears up with treatment, it can sometimes cause nail dystrophy, resulting in nail damage. In such cases, the question arises: will the nail grow back after paronychia?
| Characteristics | Values |
|---|---|
| Will the nail grow back? | Yes, the nail will grow back to normal after recovery, but it may take up to a year. |
| Treatment | Acute paronychia can be treated by soaking the infected nail in warm water 3–4 times a day. Antibiotics may be prescribed for bacterial infections, and antifungal medicines may be used for fungal infections. |
| Chronic paronychia treatment | Topical corticosteroid ointments or creams, antifungal agents, antifungal drugs, steroids, antiseptic solutions, oral antibiotics, surgical incision and drainage, and eponychial marsupialisation are all possible treatments. |
| Prevention | Avoid biting or picking nails, trim nails carefully, and avoid pushing or trimming cuticles. Wear gloves when working with chemicals or when hands are frequently wet. |
| Complications | In rare cases, untreated paronychia can lead to severe infections that spread beyond the nail, sometimes requiring amputation of the affected finger or toe. |
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What You'll Learn

Acute paronychia
Paronychia is the inflammation of the skin around a fingernail or toenail. It can be acute (lasting less than six weeks) or chronic (persisting longer than six weeks). Acute paronychia usually appears as a sudden, very painful area of swelling, warmth, and redness around a fingernail or toenail, typically after an injury to the area. It is usually caused by an infection with bacteria that invade the skin where it was injured. The injury can be caused by aggressive manicuring, biting the edges of the nails, or picking at the skin near the nails. It can also be caused by nail-biting, artificial nails, or a retained foreign body.
Chronic paronychia, on the other hand, usually starts in one nail fold but often spreads to several other fingers. The affected skin may be red and tender, and sometimes a little pus can be expressed from under the cuticle. The nail plate thickens and becomes distorted, with transverse ridges. The main complication of chronic paronychia is nail dystrophy, where the nails become yellow or green/black and brittle. Chronic paronychia is usually caused by mechanical or chemical factors, such as occupational exposure to irritants, and can be treated with topical corticosteroid ointments or creams.
Overall, paronychia is a common nail condition that can usually be treated effectively with antibiotics and proper wound care. While acute paronychia can be painful and uncomfortable, it rarely causes permanent damage to the nail, and the nail should grow back to normal after recovery.
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Chronic paronychia
The main complication of chronic paronychia is nail dystrophy. The condition can cause the nail plate to thicken and become distorted, with transverse ridges. The cuticle may be missing, and the skin around the nail may feel moist. In some cases, a small amount of pus may collect under the skin next to the nail, or underneath the nail itself. This pus can be white, yellow, or green.
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Treatment options
Paronychia is a common nail condition that can usually be treated at home. Treatment options depend on the type of paronychia: acute or chronic. Acute paronychia appears suddenly, whereas chronic paronychia lasts longer and may keep coming back.
Acute paronychia
- Soak the infected nail in warm water 2 to 4 times a day for at least 15 minutes. This can help reduce pain and swelling.
- If symptoms do not improve with this treatment, or if pus develops near the nail, consult a doctor.
- If the infection is very painful or has a pus-filled abscess, a doctor may numb the area, drain the pus, and prescribe a topical or oral antibiotic.
- In rare cases, a small part of the nail may need to be removed to allow the area to drain completely.
Chronic paronychia
- Keep your nails dry and protect them from harsh chemicals.
- Wear gloves or use a skin-drying cream to protect the skin from moisture.
- Antifungal or antibiotic medication may be prescribed, depending on the cause of the infection.
- Topical corticosteroid ointment can be applied for 2–4 weeks and repeated for flares.
- Tacrolimus ointment can be used if dermatitis is not responding to routine management.
- Intralesional steroid injections are sometimes used in resistant cases.
- Antiseptics or antifungal lotions or solutions may be applied for several months.
In most cases, acute paronychia heals within 5 to 10 days with no permanent damage to the nail. Chronic paronychia may take several weeks to heal, but the skin and nail will usually return to normal.
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Preventative measures
Paronychia is a bacterial or fungal skin infection that develops around the nail. It is important to take preventative measures to avoid the infection and its recurrence. Here are some measures to prevent paronychia:
Preventing Acute Paronychia
Acute paronychia appears as a sudden, very painful area of swelling, redness and warmth around a fingernail or toenail, usually after an injury to the area. To prevent this, it is important to avoid injuring your nails and fingertips. Do not bite or pick your nails, and keep them trimmed and smooth. Avoid cutting nails too short and refrain from scraping or trimming your cuticles as this can injure the skin. Use clean nail clippers or scissors.
Preventing Chronic Paronychia
Chronic paronychia is caused by inflammation that develops slowly, causing gradual swelling, tenderness and redness. It is important to keep your hands dry and free from chemicals to prevent this. Wear gloves when working with water or harsh chemicals, and change your socks daily, wearing shoes alternately to allow them to dry out completely.
General Preventative Measures
In addition to the specific measures for acute and chronic paronychia, there are some general guidelines to reduce the risk of infection:
- Wash your hands with soap and water, especially after any dirty work, and dry them thoroughly.
- Apply emollient hand cream frequently – dimethicone barrier creams may help.
- Keep your nails and the surrounding skin clean and dry.
- If your job requires you to work with chemicals or detergents, or if your hands are frequently wet, consult a healthcare provider for advice and consider wearing waterproof gloves.
- Seek treatment immediately if you have diabetes or difficulty fighting infections.
- Consult a doctor if you notice any symptoms of paronychia, especially if they persist or worsen.
By following these preventative measures, you can reduce the risk of developing paronychia and its recurrence, promoting healthy nails and skin.
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Complications
Paronychia is a common nail condition that usually resolves with treatment. However, in some cases, complications can occur, especially if the condition is left untreated or improperly managed. Here are some potential complications associated with paronychia:
Nail Dystrophy
The main complication of chronic paronychia is nail dystrophy, which can result in distorted, ridged, and discoloured nail plates. The nail may become yellow, green, or black, and it may also become brittle and prone to breakage. After recovery from paronychia, it can take up to a year for the nails to grow back to their normal appearance and texture.
Chronic Infections
Paronychia can become a chronic condition, with recurring infections or persistent symptoms. This is more likely to occur in individuals who have diabetes, constantly wet hands, or occupational exposure to irritants such as detergents and chemicals. Chronic paronychia can be challenging to manage and may require long-term treatment with topical medications and lifestyle modifications to prevent recurrence.
Deep Tissue and Bone Infections
In rare cases, if left untreated or inadequately treated, paronychia can spread beyond the nail and affect deeper tissues and bones. This complication is more common in individuals with diabetes or conditions affecting blood circulation. Severe infections may require surgical intervention, and in extreme cases, amputation of the affected finger or toe may be necessary to prevent the spread of the infection to the rest of the body.
Osteomyelitis
Although rare, very severe cases of acute paronychia may progress to osteomyelitis, a bone infection of the finger or toe. This complication underscores the importance of prompt and effective treatment for paronychia to prevent further health issues.
Systemic Spread
In individuals with diabetes or compromised immune systems, paronychia can potentially spread into the bloodstream and affect other parts of the body. This complication highlights the importance of early recognition and management of paronychia, especially in those with underlying medical conditions.
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Frequently asked questions
Paronychia is an infection of the skin around a fingernail or toenail. It is usually caused by bacteria, but can also be caused by viral pathogens or fungi.
Acute paronychia usually appears as a sudden, very painful area of swelling, warmth and redness around a fingernail or toenail. Chronic paronychia usually causes less dramatic symptoms than acute paronychia. Typically, the area around the nail is tender, red and mildly swollen, the cuticle is missing, and the skin around the nail feels moist.
Yes, the nail will grow back after paronychia. However, it can take up to a year for the nail to return to normal. During this time, it is important to keep the affected area dry and protect it from harsh chemicals.
Treatment for paronychia depends on the severity and cause of the infection. Soaking the infected area in warm water several times a day can help reduce pain and swelling. Antibiotics or antifungal medications may be prescribed, and in some cases, pus may need to be drained. For chronic paronychia, topical corticosteroid ointments or creams may be recommended.
To prevent paronychia, it is important to avoid injuring the nails or the skin around them. Do not bite or pick at your nails, and trim them regularly with clippers or manicure scissors. If your job requires you to work with chemicals or detergents, or if your hands are frequently wet, wear waterproof gloves to protect your skin.











































