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Seromas After Surgery: Signs, Prevention & What to Do

A seroma is one of the complications I check for at every post-op session. They’re most common after tummy tucks and liposuction, and knowing the signs means you can get the right help quickly.

What is a seroma?

A seroma is a pocket of clear or straw-coloured fluid that collects in a space left by surgery. When skin and fat are lifted (as in a tummy tuck) or tunnelled (as in lipo), a gap (sometimes called “dead space”) forms between the layers. If the body produces more fluid than the disrupted lymph vessels can drain, it pools there.

Signs of a seroma

• A soft, swollen area that feels like a water balloon
• A sloshing feeling or sound when you move
• A bulge that grows rather than gradually settling, often in the lower tummy, above a tummy tuck scar
• Clear or straw-coloured fluid leaking from a scar
• A feeling of heaviness or pressure in one area

Seromas usually appear in the first few weeks after surgery, but can occasionally develop later.

Who is more at risk?

Seromas are more likely after tummy tucks, larger-volume or 360 lipo, energy-based lipo, combined procedures, and in people with a higher BMI. Removing drains early, not wearing compression, and being very active too soon can also increase the risk.

How to reduce your risk

1. Use drains or drainage if your clinic offers them. This is especially important if you’re having surgery abroad and flying home.
2. Wear your compression garment and ab board consistently. They help close the spaces where fluid collects.
3. Don’t overdo it. Avoid heavy lifting and strenuous exercise until your surgeon says it’s safe.
4. Start MLD once your drains are out and your surgeon has cleared you, usually around days 3–5.
5. Attend consistently: 2–3 sessions a week for the first two weeks.

What if I have a seroma?

A seroma must be drained by a qualified medical professional, a nurse or doctor. This is usually done with a needle and syringe, sometimes guided by ultrasound, and it may need repeating. Small seromas sometimes reabsorb on their own, but that’s a decision for your surgeon.

Please never try to drain a seroma yourself. And while MLD is excellent for general swelling, it cannot remove a seroma.

Who to contact

• Surgery in the UK: contact your surgeon or clinic, ideally where you had your surgery.
• Surgery abroad: contact your overseas clinic, and see your GP or call NHS 111, who can refer you to hospital if needed.

Seek help urgently, the same day, if the area becomes red, hot or increasingly painful, the fluid turns cloudy or smells, or you develop a fever, as these can be signs of infection.

My role

At every post-op session I’ll check your treated areas for signs of seroma and other complications. If I suspect one, I’ll explain what I’ve found, adapt or pause your treatment, and ask you to see a medical professional. Once it has been drained and your surgeon is happy, we can continue your MLD.

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This article is general information and doesn’t replace advice from your surgeon or doctor. Always follow your surgeon’s instructions.