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Understanding Abscesses and Cysts

Confused between an abscess and a cyst? Learn the key differences, symptoms, causes, and treatments to help you identify and manage skin lumps effectively.

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Written by Dr. Md Yusuf Shareef

Reviewed by Dr. Shaik Abdul Kalam MD (Physician)

Last updated on 20th Aug, 2025

Abscesses and Cysts

Dealing with lumps or bumps under the skin can be concerning, especially when you're unsure whether it's an abscess or a cyst. While both may look similar, they are different in nature and require different approaches to treatment. This article will help you understand what abscesses and cysts are, their symptoms, causes, and how to manage them effectively.

What Is an Abscess?

An abscess is a pocket of pus caused by a bacterial infection. It forms when the body tries to fight off an infection by sending white blood cells to the affected area, leading to swelling, pain, and redness. Abscesses can occur anywhere in the body, including the skin, teeth, or internal organs.

Symptoms of an Abscess

  • A swollen, red, and painful lump
  • Warmth around the affected area
  • Pus or fluid discharge
  • Fever (if the infection spreads)

Common Causes

  • Bacterial infections (often Staphylococcus aureus)
  • Blocked sweat glands or hair follicles
  • Injuries that break the skin

What Is a Cyst?

A cyst is a sac-like pocket filled with fluid, air, or other substances. Unlike abscesses, cysts are usually non-infectious and grow slowly. They can develop anywhere on the body, including the skin, ovaries, or kidneys.

Symptoms of a Cyst

  • A round, movable lump under the skin
  • Usually painless unless infected or inflamed
  • May grow slowly over time

Common Causes

  • Blocked ducts or glands
  • Genetic conditions (like polycystic kidney disease)
  • Chronic inflammation

Key Differences Between Abscesses and Cysts

Feature 

Abscess 

Cyst 

Cause 

Bacterial infection

Blocked ducts or glands

Pain Level 

Often painful 

Usually painless

Appearance 

Red, swollen, warm

Smooth, round lump 

Pus Present 

Yes 

No (unless infected) 

Consult Top Specialists

How Are Abscesses and Cysts Treated?

Treating an Abscess

  1. Medical Drainage – A doctor may need to drain the pus to relieve pain and prevent infection spread.
  2. Antibiotics – If the infection is severe, oral or topical antibiotics may be prescribed.
  3. Warm Compress – Applying a warm cloth can help reduce swelling and encourage drainage.

Treating a Cyst

  1. Observation – Small, painless cysts may not need treatment.
  2. Drainage or Removal – If a cyst becomes large or bothersome, a doctor can drain or surgically remove it.
  3. Steroid Injections – Used to reduce inflammation in some cases.

When to See a Doctor

Consult a healthcare provider if:

  • The lump is painful, growing, or red.
  • You develop a fever (sign of infection).
  • The abscess or cyst keeps coming back.


If you're unsure about a skin lump, it's always best to get it checked. You can easily book a consultation with a dermatologist or general physician through Apollo 24|7 for expert advice.

Prevention Tips

For Abscesses

  • Keep wounds clean and covered.
  • Avoid sharing personal items like razors.
  • Practice good hygiene to prevent bacterial infections.

For Cysts

  • Maintain proper skincare to prevent blocked pores.
  • Avoid squeezing or picking at skin bumps.
  • Stay hydrated and eat a balanced diet to support skin health.

Final Thoughts

Abscesses and cysts may look similar, but they have different causes and treatments. While some may resolve on their own, others need medical attention. If you notice any unusual lumps, don’t hesitate to seek professional advice. Early treatment can prevent complications and ensure a quick recovery.

For expert care, schedule a consultation or diagnostic test through Apollo 24|7 today!

Consult Top Specialists

 


 

Consult Top Specialists

Dr Suseela, General Physician

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Consult Top Specialists

Dr Suseela, General Physician

Dr Suseela

General Physician

5 Years • MBBS

Bengaluru

Apollo Medical Center, Marathahalli, Bengaluru

500

Dr. Gaddam Manoj, General Practitioner

Dr. Gaddam Manoj

General Practitioner

1 Years • MBBS

Hyderabad

Aaradhya clinic, Hyderabad

125

Dr. Suvadeep Sen, Critical Care Specialist

Dr. Suvadeep Sen

Critical Care Specialist

12 Years • MBBS, MD, FNB (CRITICAL CARE MEDICINE), EDIC

Mumbai

Apollo Hospitals CBD Belapur, Mumbai

2300

2300

Dr. Deeptangshu Ganguly, General Practitioner

Dr. Deeptangshu Ganguly

General Practitioner

12 Years • MBBS , MD (Pharmacology)

Raniganj

The Polyclinic and Pharmacy, Raniganj

600

Dr. Rijesh Kumar, General Practitioner

Dr. Rijesh Kumar

General Practitioner

14 Years • MBBS

Chennai

Hycare Super Speciality Hospitals, Chennai

625

750

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