Isla Bennett
Yellow pus near the fingernail is a common symptom of paronychia, a bacterial or fungal skin infection that develops around the nail. It is caused by biting or chewing the nails, or working with wet hands or chemicals. Treatment for paronychia depends on the severity of the infection. Mild cases can be treated at home by soaking the infected area in warm water and applying lemon and salt. More severe cases may require antibiotics or antifungal medication, and in rare cases, the nail may need to be removed to allow pus to drain.
| Characteristics | Values |
|---|---|
| Condition | Paronychia (nail infection) |
| Symptoms | Pain, swelling, redness, tenderness, warmth, inflammation, discomfort, ridges or waves in the nail, nail detaching from the nail bed, nail becoming thick, hard and deformed |
| Causes | Bacterial or fungal skin infection, irritation, injury, cuts, broken skin, hangnails, ingrown nails, nail biting, frequent manicures or pedicures, water or chemical exposure, diabetes |
| Diagnosis | Physical examination, laboratory testing of pus or fluid samples, imaging (rarely) |
| Treatment | Soaking infected area in warm water, topical antibacterial ointment, drainage of pus, antibiotics, antifungal medication, corticosteroid ointment, tacrolimus ointment, intralesional steroid injections, antiseptics, oral antifungals |
| Prevention | Avoiding nail biting or picking, maintaining good hand and nail hygiene, using clean nail clippers or scissors, keeping nails trimmed, avoiding cutting nails too short, avoiding cuticle trimming, wearing gloves when in contact with water or chemicals, changing socks and shoes daily |
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What You'll Learn
Soak the infected area in warm water
Paronychia is a nail infection that causes inflammation around the nail. It can affect both the fingernails and toenails. Pus build-up under the skin is a common symptom of paronychia. This occurs when bacteria enter broken skin near the cuticle and nail fold. Pus may also be a sign of a staph infection.
Soaking the infected area in warm water is a recommended home remedy for treating mild cases of paronychia. This method can help drain the pus from under the skin. Here is a step-by-step guide on how to do this:
- Prepare a bowl of warm water. Ensure that the water is warm but not too hot to avoid further skin irritation.
- Soak the infected finger or toe in the warm water for about 15 to 20 minutes. This helps to soften the nail and cuticle, making it easier for the pus to drain.
- Repeat this process a few times a day. Consistency is key to promoting effective drainage and healing.
- After soaking, thoroughly dry the affected area. Use a clean towel or tissue to gently pat the skin dry.
- Apply a topical anti-bacterial ointment, if recommended by a healthcare provider.
While soaking the infected area in warm water can be a helpful home treatment, it is always advisable to consult a healthcare provider for personalized medical advice and to determine the most appropriate treatment plan for your specific condition.
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Treatments for acute and chronic paronychia
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. The infection occurs when bacteria enter broken skin near the cuticle and nail fold, causing inflammation. The cuticle is the skin at the base of the nail, and the nail fold is where the skin and nail meet.
Acute Paronychia
Acute paronychia is caused by polymicrobial infections after the protective nail barrier has been breached. It can affect anyone but is more likely to occur after a break in the skin, especially between the proximal nail fold/cuticle and the nail plate. For example, if the nail is bitten or the nail fold is picked. It can also be caused by systemic diseases such as psoriasis and eczema. Treatment consists of warm soaks with or without Burow solution or 1% acetic acid. Topical antibiotics should be used with or without topical steroids when simple soaks do not relieve the inflammation. If an abscess is present, it should be drained. Oral antibiotics are usually not needed if adequate drainage is achieved unless the patient is immunocompromised or a severe infection is present.
Chronic Paronychia
Chronic paronychia is caused by irritant contact dermatitis rather than an infection. Common irritants include acids, alkalis, and other chemicals used by housekeepers, dishwashers, bartenders, laundry workers, florists, bakers, and swimmers. It is diagnosed clinically based on symptom duration of at least six weeks, a positive exposure history, and clinical findings consistent with nail dystrophy. The cuticle may be totally absent, and Beau lines (deep side-to-side grooves in the nail that represent an interruption of nail matrix maturation) may be present. Treatment is aimed at stopping the source of irritation while treating the inflammation with topical steroids or calcineurin inhibitors. More aggressive techniques may be required to restore the protective nail barrier. Treatment may take weeks to months.
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How to prevent nail biting
Pus near the fingernail can be a symptom of paronychia, a bacterial or fungal nail infection. It is caused by bacteria entering broken skin near the cuticle and nail fold, resulting in pain, swelling, and tenderness around the nail. The infected area can become swollen, red, and warm to the touch, with pus building up under the skin. Mild cases of paronychia can be treated at home by soaking the infected area in warm water several times a day, ensuring the area is thoroughly dried afterward. More severe cases may require antibiotics or drainage of the pus by a healthcare provider.
To prevent nail biting, which can be a cause of paronychia, there are several strategies that can be employed:
- Identify triggers: Recognize the situations or emotions that trigger the urge to bite your nails, such as nervousness, anxiety, boredom, or insecurity. This awareness can help you address the underlying causes or find alternative coping mechanisms.
- Keep nails trimmed: Maintaining short nails can make it more difficult to bite them, reducing the satisfaction derived from the action.
- Apply bitter nail polish: Using a special nail polish with a bitter taste can act as a deterrent by making the experience of biting your nails unpleasant.
- Manicures and nail care: Investing in manicures or practicing regular nail care at home can provide an incentive to maintain well-groomed nails and reduce the likelihood of nail biting.
- Oral alternatives: Chewing gum or sucking on hard candy can provide an alternative outlet for oral fixation and help redirect the nail-biting impulse.
- Keep hands occupied: Engage your hands with alternative activities, such as fiddling with a stress ball or clicking a pen, to distract yourself from the urge to bite your nails.
- Gradual reduction: Instead of quitting cold turkey, set small goals by targeting specific nails or fingers to stop biting, gradually expanding the "no-biting" zone over time.
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Home remedies for paronychia
Paronychia is a bacterial or fungal skin infection that develops around the nail. It can be identified by pain, swelling, and tenderness around the nail, along with skin that is red and warm to the touch. Pus may also build up under the skin, forming a white to yellow, pus-filled abscess. While most cases of paronychia are not serious and can be treated at home, severe or persistent infections may require medical attention, including antibiotics and drainage of the pus.
- Soak the infected area in warm water: Soaking the affected nail in warm water for 15 to 20 minutes a few times a day can help draw out pus and promote healing. Be sure to dry the area thoroughly afterward.
- Lemon and salt: Cut a slit in a lemon, sprinkle salt into the slit, and place the affected finger inside for a few minutes. Repeat this process until the infection improves. However, it is important to note that there is limited scientific evidence supporting this remedy.
- Magnesium sulfate paste: Applying magnesium sulfate paste to the infected area may help with pain management and infection control. Again, there is a lack of scientific evidence to support this claim.
- Topical ointments: Over-the-counter topical antibacterial or antifungal ointments can be applied to the affected area to help treat the infection.
- Nail trimming and hygiene: Keep your nails trimmed and smooth, avoiding cutting them too short. Maintain good nail hygiene by regularly washing your hands and nails with gentle soap, especially if your job involves frequent contact with water or chemicals.
If home remedies do not improve your symptoms within a few days or the infection spreads beyond the nail, it is important to consult a healthcare provider for further treatment options, such as antibiotics or drainage of the abscess.
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When to seek medical treatment
In most cases, paronychia is not serious and can be treated at home. However, if symptoms do not improve after a few days of home treatment, or the infection spreads further than the nail, it is important to seek medical treatment.
If you are experiencing acute paronychia, you should seek medical treatment if you observe any of the following symptoms:
- Red streaks running from the infected area toward your body, for example, up your hand or wrist from your fingers
- Fever, lymphangitis, and tender lymphadenopathy
If you are experiencing chronic paronychia, you should seek medical treatment if:
- The infection does not clear up after several weeks of home treatment
- You have diabetes, as there is a risk that the infection could spread to deeper tissues and bones, or into the bloodstream and other parts of the body
- The infection has caused your nail to separate from the skin, and the nail has become thick, hard, and deformed
In rare cases, a doctor may recommend removing part of the nail to allow pus to drain. This procedure is known as eponychial marsupialization and is usually only considered if other treatments have been ineffective.
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Frequently asked questions
Yellow pus near the fingernail is a symptom of paronychia, a bacterial or fungal skin infection that develops around the nail.
Treatment for paronychia depends on the severity of the infection. For mild cases, you can soak the infected area in warm water for 15-20 minutes a few times a day. You can also apply lemon and salt to the affected area. For more severe cases, a doctor may need to drain the pus and prescribe antibiotics or antifungal medication.
To prevent paronychia from coming back, it is important to take good care of your nails and avoid injuring your nails and fingertips. Keep your nails trimmed and smooth, dry, and avoid biting or chewing your nails, and do not cut your nails too short.
