What are the common causes of pus in the finger?

Pus in the finger is caused by an infection. Paroncychia is an infection commonly found around the fingernails and toenails. It is usually caused by injuries such as picking or biting a nail or improperly cutting the cuticles. Types of paronychial infections include yeast infections, yeast infections, and bacterial infections. A fungal and bacterial infection can occur simultaneously.

Fungal nail infections are common in diabetics and people whose hands are frequently in water. Symptoms of nail infections can include pus, changes in the shape or color of the nail, and swelling. Also, the area may be red and painful with an increase in skin temperature. Other signs of a fungal infection include thickened green or yellow nails covered in ridges.

Treatment for a bacterial finger infection includes soaking the finger in warm water two to three times a day, which helps reduce swelling and pain, and taking antibiotics. Your doctor may prescribe an antibiotic ointment, an oral antibiotic, or a combination of the two. Additionally, a minor surgical procedure may be recommended to remove all or part of the infected nail.

If the pus in your finger is related to a fungal infection, your doctor may recommend an antifungal medication. Other treatment recommendations may include keeping fingers dry and applying a skin-drying agent. Although infections that cause pus usually respond well to treatment, infection caused by fungal agents may not resolve for a few months.

Although rare, complications from a nail infection can occur. Symptoms of complications include fever and chills, red streaks on the nail or skin, muscle and joint pain, and feeling sick. When these symptoms occur, a doctor can assess the symptoms and recommend the appropriate treatment. Another complication of a nail infection can be increased pain or pain that is not manageable. This may indicate a worsening of the infection and should be evaluated.

When pus is present, it's important to note that trying to self-treat by throwing up the infected area can lead to a more serious infection or even permanent tissue damage. Although it is not always possible, there are precautions that can be taken to prevent infections that cause pus in the finger. These include not picking or biting your nails, caring for them properly, bringing personal manicure items to nail salons, and trying to avoid injuring your nails.

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