• Stage I.
• Description: Focal pain, erythema, and swelling at lateral margin of the nailbed.
• Treatment: Conservative management.
• Stage II.
• Description: Worsening inflammation and infection and formation of purulent granulation tissue.
• Treatment: Conservative management or angular nail resection with debridement.
• Stage III.
• Description: Chronic and severe disease state with lateral wall hypertrophy.
• Treatment: Partial nail resection or total nail avulsion.
• 1–2% lidocaine without epinephrine.
• Alcohol pads.
• 10% povidone-iodine/antiseptic cleanser.
• Syringe with 25- or 27-gauge needle.
• Digital tourniquet.
• Sterile gauze (4 × 4).
• Sterile towel and drapes.
• Sterile cotton or petrolatum gauze.
• Nail cutter or splitter.
• Hemostats.
• Scissors.
• Antibacterial ointment.
• Silver nitrate sticks.
• Nail file.
• Scalpel #11.
• Use a tourniquet around the affected toe to provide additional hemostasis.
• Choose conservative treatment with oral antibiotics and warm soaks whenever possible.
• Instruct the parents about maintaining good foot hygiene (eg, trimming the nail transversely) and advise that the child wear loose footwear as much as possible.