What a SEROMA Looks Like A seroma is a pocket of clear fluid (plasma lymphatic fluid) that can form under the skin after surgeries like lipo, BBL, or tummy tuck. It usually happens from tissue trauma or disrupted lymphatics. If left untreated, a fibrous capsule can form, making the seroma harder to drain and causing fluid to build up faster. Large or persistent seromas must be drained by a trained medical professional, and signs of infection should be evaluated by a doctor. Are you in need of po