Abscess
An abscess is a localized collection of pus surrounded by inflamed tissue. Abscesses can develop on the skin, in the mouth, or in deeper structures, and most need drainage to fully resolve.
Table of Contents
Quick Facts
- ICD-10: L02 (skin), various
- Treatment: Drainage often essential
Common Types
- Skin abscess — boils, furuncles, carbuncles
- Dental abscess — pus around a tooth or in gum tissue
- Lung abscess — pus inside lung tissue
- Brain abscess — uncommon but serious
- Peritonsillar abscess — around the tonsils
- Intra-abdominal abscess — often after surgery or appendicitis
- Perianal/pilonidal abscess — near the anus or tailbone
Symptoms
- Red, swollen, warm, tender area
- Throbbing pain
- Pus drainage (visible or felt as fluctuance)
- Fever and chills with deeper or larger abscesses
- Swollen lymph nodes nearby
Treatment
- Incision and drainage — usually the most important step
- Antibiotics for cellulitis, systemic symptoms, or selected high-risk locations
- Warm compresses for small skin abscesses
- Specialized procedures for deeper abscesses (CT-guided drainage, surgery)
When to See a Doctor
See a doctor for any abscess that is large, painful, on the face, near the eye or spine, accompanied by fever, or in someone with diabetes or weakened immunity.
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- Infectious Diseases Society of America. Skin and Soft Tissue Infection Guidelines.