
Condition Guide
Ingrown Toenails
Painful nails that grow into surrounding skin, treated conservatively or surgically.
01Overview
An ingrown toenail (onychocryptosis) occurs when the edge or corner of the nail plate curves downward and penetrates the surrounding soft tissue (nail fold), triggering pain, inflammation, and - if untreated - infection. The great toe is most commonly affected. Ingrown toenails range in severity from mild discomfort managed conservatively at home to severe infections requiring surgical intervention, particularly in patients with diabetes or compromised circulation.
02Causes & Etiology
The primary mechanical cause of ingrown toenails is the lateral nail edge being forced into the periungual skin. This results from cutting nails too short or at an angle (leaving a nail spicule), wearing shoes or socks that compress the toes, and congenitally curved (involuted) nail plates that naturally exert pressure on the nail folds. Trauma to the toe - such as stubbing or repetitive microtrauma from running - can also cause the nail to grow abnormally. In some individuals, the nail is inherently wide relative to the nail bed, predisposing them to recurrent ingrown nails regardless of cutting technique.
Risk Factors
- Improper nail trimming (too short, rounded at the corners, or leaving a spicule)
- Wearing tight-fitting shoes or socks that compress the forefoot
- Naturally curved (involuted or pincer) nail shape
- Injury or repetitive trauma to the nail
- Hyperhidrosis (excessive sweating, softening the nail fold skin)
- Obesity (increased pressure on the forefoot)
- Diabetes or peripheral vascular disease (elevated complication risk)
- Adolescence and young adulthood (most common age group)
03Signs & Symptoms
- Pain and tenderness along one or both sides of the toenail
- Redness and swelling of the skin beside and around the nail
- Skin that appears to be growing over the nail edge
- A feeling of pressure or throbbing in the toe
- Drainage of fluid (clear or purulent) indicating infection
- Warmth, increased redness, and pus if infection has developed
- Difficulty wearing closed-toe shoes due to pain
When to See Dr. Golan
Seek prompt care for spreading redness, pus, or an ingrown nail with diabetes or poor circulation. Fever or feeling seriously unwell needs urgent medical assessment. For persistent or recurring cases, partial nail avulsion and, when appropriate, matrixectomy may reduce recurrence, but do not guarantee a permanent cure.
Choosing treatment for an ingrown toenail
Mild irritation without infection may respond to roomy footwear and clinician-guided nail care. Do not dig into the corners or attempt to cut out an embedded nail edge. Patients with diabetes, loss of sensation, or poor circulation should seek professional advice rather than attempt home treatment.
Partial nail avulsion and matrixectomy
For an embedded or repeatedly painful nail edge, an office procedure may remove the affected border after local anesthesia. A partial avulsion removes that portion of nail. Matrixectomy treats the corresponding nail root to reduce regrowth and recurrence when clinically appropriate. It may leave the nail narrower; recurrence, drainage, infection, and delayed healing remain possible.
Infection, aftercare, and follow-up
Antibiotics are not automatically required for every ingrown nail; the examination determines whether infection needs additional treatment. Follow the practice's written wound-care and activity instructions after a procedure and attend follow-up. Increasing redness, drainage, warmth, worsening pain, fever, or feeling unwell warrants prompt contact. Spreading infection or serious illness needs urgent medical assessment.
Package for Uninsured Patients
Ingrown Toenail Treatment Package
Includes the initial visit, partial nail avulsion, matrixectomy if appropriate, and follow-up.
04Frequently Asked Questions
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