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Medically reviewed by Last updated on May 6, 2024.

What is a seroma?

A seroma is a pocket of clear fluid that develops after surgery or an injury. The fluid can collect in tissues or under the skin. Breast, neck, and abdominal surgery are the most common causes of a seroma. A drain used after surgery can also lead to a seroma if it fails or is removed too early. A major surgery or a surgery used to remove tissue increases your risk for a seroma.

What are the signs and symptoms of a seroma?

How is a seroma diagnosed and treated?

Your healthcare provider will examine the surgery or injury site to check for signs of a seroma. A CT or ultrasound may be used to confirm that you have a seroma. A small seroma may go away without treatment. You may need any of the following to treat a large seroma:

What can I do to manage a seroma?

When should I seek immediate care?

When should I contact my healthcare provider?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.