Overview
Incision and Drainage is a surgical procedure to drain pus from abscesses, cysts, and other fluid collections in the skin.
I&D is crucial for treating skin abscesses, relieving pain, preventing spread of infection, and promoting healing.
Learn more in our comprehensive RxDx Dermatology Course
Indications
Bacterial abscesses
Epidermal cysts
Boils
Multiple boils
Sweat gland infection
Contraindications
Absolute Contraindications
Relative Contraindications
📋 Equipment Checklist
Check off items as you gather them:
Pre-procedure Preparation
Preparation includes patient assessment, abscess evaluation, informed consent, and understanding drainage techniques.Step-by-Step Procedure
Step 1: Abscess Assessment
Evaluate abscess characteristics.
⚠️ Common Mistakes to Avoid:
- Wrong diagnosis
- Inadequate assessment
💡 Pro Tip:
Confirm abscess formation.
Step 2: Anesthesia
Administer local anesthesia.
⚠️ Common Mistakes to Avoid:
- Inadequate anesthesia
- Wrong technique
💡 Pro Tip:
Ensure complete numbness.
Step 3: Incision
Make appropriate incision.
⚠️ Common Mistakes to Avoid:
- Too small
- Wrong location
💡 Pro Tip:
Use proper technique.
Step 4: Drainage
Drain pus completely.
⚠️ Common Mistakes to Avoid:
- Incomplete drainage
- Tissue damage
💡 Pro Tip:
Ensure complete drainage.
Step 5: Debridement
Remove necrotic tissue.
⚠️ Common Mistakes to Avoid:
- Incomplete debridement
- Excessive tissue removal
💡 Pro Tip:
Remove only necrotic tissue.
Step 6: Packing
Pack wound appropriately.
⚠️ Common Mistakes to Avoid:
- Over-packing
- Under-packing
💡 Pro Tip:
Use appropriate packing.
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Post-procedure Care
Post-procedure care involves wound care, antibiotics if needed, and monitoring for complications.Complications & Management
| Complication | Incidence | Signs | Management | Prevention |
|---|---|---|---|---|
| Bleeding | 5-10% | Excessive bleeding | Pressure, sutures | Proper technique |
| Infection | 3-8% | Worsening infection | Antibiotics | Sterile technique |
| Recurrence | 10-20% | Abscess returns | Repeat I&D | Complete drainage |
| Scarring | 15-25% | Visible scar | Time, scar care | Proper technique |
Clinical Pearls
Always confirm abscess formation before I&D.
Use appropriate incision size.
Ensure complete drainage.
Send culture if needed.
Document procedure details.
Consider cosmetic outcome.
Monitor for complications.