What is a nail infection (paronychia)? Paronychia is nail inflammation that may result from trauma, irritation or infection. It can affect fingernails or toenails.

Nov 11, 2025 · Paronychia - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information.

Paronychia is an inflammation of the skin around the nail, often due to bacteria or fungi. Its sudden (acute) occurrence is usually due to the bacterium Staphylococcus aureus.

Feb 17, 2026 · Learn what causes paronychia, a common nail infection, plus safe home treatment and when to see a doctor for a swollen, painful nail edge.

Jun 4, 2024 · What is paronychia? Paronychia is an infection of the skin just next to a nail (the nail fold). The infected nail fold looks swollen, red and feels tender. There may also be a small collection of pus …

Oct 18, 2025 · Paronychia is a nail infection caused by bacteria or fungi that affect the skin around the nail. Soaking the affected nail in warm water can help drain pus and speed up healing.

Oct 24, 2025 · This topic will discuss the pathogenesis, clinical manifestations, and management of acute and chronic paronychia. Ingrown toenails and other nail disorders are discussed separately.

Paronychia is infection of the periungual tissues. Acute paronychia causes redness, warmth, and pain in the nail folds. Diagnosis is based on clinical examination. Incision and drainage is an important …

What Is a Nail Infection (Paronychia)? An infection that develops along the edge of the fingernail or toenail is called a paronychia (pear-ah-NIK-ee-ah). It is the most common hand infection and, if left …

May 5, 2025 · What is paronychia? Paronychia is a skin infection around the fingernails or toenails. It usually affects the skin at the base (cuticle) or up the sides of the nail. There are two types of …