Yellow Wound Discharge: Sign of Infection? Symptoms (Pus, Redness, Fever), Treatment, and Prevention Tips

Yellow, green, or brown drainage from an abrasion or wound is a classic sign of infection (purulence).

Full Infection Checklist

• Purulent exudate (yellow/green/brown, opaque).
• Erythema spreading >2 cm from wound edge.
• Increased warmth, induration.
• Escalating pain or tenderness.
• Fever (≥100.4°F / 38°C).
• Foul odor.
• Lymphangitic streaking.

Immediate Actions

1. Clean gently with saline or mild soap/water.
2. Apply sterile non-adherent dressing.
3. See a clinician within 24 hrs (sooner if fever, spreading redness, immunocompromised).

Clinical Management

• Culture & sensitivity (if severe).
• Debridement of necrotic tissue.
• Oral antibiotics (cephalexin, doxycycline, clindamycin per local resistance).
• Topical antimicrobials (mupirocin, silver dressings) for superficial infection.
• Tetanus prophylaxis if indicated.

Prevention

• Prompt cleansing, sterile dressing, daily changes.
• Avoid picking, occlusive home remedies (butter, toothpaste).
• Monitor high-risk wounds (diabetic, venous, pressure injuries).