Skin Removal Surgery Complications and How to Reduce Your Risk

Weight loss patients who have undergone bariatric surgery, such as gastric bypass (Roux-en-Y) or sleeve gastrectomy, often grapple with the aftermath of sagging, excess skin. This can leave you dissatisfied with your body shape despite a successful weight loss journey.

Body contouring surgery can remove this skin. Procedures like abdominoplasty (tummy tuck), thigh lift, brachioplasty (arm lift), and mastopexy (breast lift) are designed to remove and tighten surplus skin, restoring your body shape post-bariatric surgery. However, like any surgical procedure, these operations carry potential post-operative complications, and skin removal surgery complications specifically are worth understanding in detail before you proceed.

This guide covers excess skin removal surgery risks in detail — the potential complications from post-bariatric skin removal surgery — along with the precautions that can be taken before, during, and after your procedure to reduce your risk.

What Is Post-Bariatric Body Contouring Surgery?

Post-bariatric skin reduction surgery, more commonly known as skin removal surgery, is a procedure designed to remove surplus, lax skin that typically results from substantial weight loss.

When an individual gains weight, the skin expands to accommodate the increased fat. Over time, if the skin stretches excessively, it may lose its elasticity and fail to shrink back to its original form once the weight is lost. This is the primary reason many individuals are left with hanging folds of sagging skin after significant weight loss — whether achieved through diet, exercise, or bariatric surgery. Skin removal surgery addresses this by surgically removing the loose, overstretched skin, tightening the remaining skin, and redefining the body contours.

The most common skin removal procedures following weight loss include:

• Abdominoplasty (Tummy Tuck): removes drooping abdominal skin and repairs slackened abdominal muscles, achieving a firmer, flatter abdominal profile.
• Mastopexy (Breast Lift): elevates drooping breasts by removing excess skin and reshaping the remaining tissue.
• Brachioplasty (Arm Lift): addresses excess skin and tissue on the arms for a more streamlined, contoured appearance.
• Thighplasty (Thigh Lift): removes extra, sagging skin from the thighs for a more toned lower body.
• Lower Body Lift: combines an extended tummy tuck with a buttock and outer thigh lift through one circumferential incision, treating the abdomen, flanks, lower back, buttocks and outer thighs — particularly relevant after massive weight loss.

What Are the Potential Complications of Skin Removal Surgery?

Skin reduction procedures are usually performed safely by a qualified, experienced plastic surgeon. Expected aftereffects include bruising, swelling, and mild discomfort during recovery. However, like all surgery, post-bariatric skin removal carries potential complications patients should be aware of:

Wound Dehiscence (Wound Separation)

During healing, an incision may reopen — a condition known as wound dehiscence. This can occur after any body contouring procedure, but it is more common after operations with long incisions under tension, such as a lower body lift or thigh lift. A 2016 meta-analysis of 28 studies and 1,380 patients ↗ found wound separation in 17% of circumferential lower body procedures, seroma in 13% and blood clots in 3%.^[1] Most wound separations are small and heal with dressings.

Wound Infection

When bacteria infiltrate the surgical wound, an infection can develop, causing redness, discharge, and fever. Surgical site infection is one of the most common complications following skin removal surgery.

Skin Necrosis (Tissue Death)

If the skin around an incision doesn’t receive adequate blood and oxygen, tissue necrosis can occur, causing the affected area to turn blue or black. This is more prevalent in smokers, since smoking impairs blood flow to the wound site.

Seromas

A seroma is a collection of serous fluid in a pocket under the skin, typically near incision sites. Seroma after surgery may present as a tender swelling or lump, and can develop immediately or in the weeks following the procedure.

Haematoma

A haematoma is a pool of blood that accumulates under the skin, often appearing as a raised, dark bruise. Most develop within 48 hours of surgery, though some can take up to ten days to manifest.

Deep Venous Thrombosis (DVT) and Pulmonary Embolism (PE)

Blood clots can form during or after skin reduction surgery due to the period of reduced mobility. A clot in a deep vein in the calf or thigh is a DVT; if it detaches and travels to the lungs, it causes a pulmonary embolism (PE) — a potentially life-threatening complication.

These complications are relatively rare, and understanding them before surgery is an important part of informed consent. Good outcomes come from a genuine partnership between a competent surgical team and an informed patient.

Risk Factors for Complications of Skin Reduction Surgery

Every patient carries some risk of complications following skin removal surgery, but certain factors elevate that risk:

Type of Surgical Procedure: Time-intensive procedures involving removal of a significant amount of tissue — abdominoplasty being the clearest example — carry a higher risk of complications, including blood clots and wound healing issues.

Poor Post-operative Care: Inadequate wound hygiene increases infection risk. Haematoma and seroma risk is also heightened if compression garments aren’t used as advised, or if surgical drains are removed prematurely.

Unresolved Health Conditions: Diabetes, hypertension, heart disease, lung disease, anaemia, and coagulation disorders all raise the risk of complications.

Malnutrition: Deficiencies in protein and vitamins impair wound healing and raise the risk of dehiscence, infection, and necrosis.

Limited Physical Activity: Restricting movement post-surgery due to pain or discomfort can paradoxically increase blood clot risk.

High BMI: A higher BMI at the time of surgery hinders blood and oxygen flow to the incision site, impeding healing. In a Pittsburgh study of 511 operations after massive weight loss ↗, complications were linked to patients’ peak BMI and to how much weight they had lost, and in single-procedure cases to their current BMI.^[2]

Smoking: Constricts blood vessels, delays healing, and extends recovery — the longer wounds take to heal, the greater the infection risk. In one review of 225 panniculectomy patients, 39% of smokers developed a wound infection, compared with 16% of non-smokers.^[3]

Certain Medications: Steroids, anticoagulants, and some other drugs can increase bleeding risk and inhibit wound healing.

Older Age, Weakened Immune System, or Prior Surgical Complications: All established risk factors for any surgical procedure.

Having one or more of these factors doesn’t guarantee a complication, but it does raise your risk — discussing them openly with your surgeon is an important part of preparing for surgery.

Preoperative Measures to Minimise Complications

Several preparatory measures can meaningfully reduce your risk of post-operative complications:

Approach Your Ideal Weight: A high BMI at the time of surgery raises complication risk — being at or close to your target weight beforehand reduces it. Our guide to losing weight before cosmetic surgery explains how to do this safely.

Maintain Excellent Hygiene: Cleansing the surgical site with antibacterial soap on the night or morning of surgery meaningfully reduces wound infection risk.

Blood Tests: Pre-surgical health evaluations help minimise bleeding, clotting, and infection risk. Bariatric surgery patients often show deficiencies in albumin, haemoglobin, vitamins A, C and B-complex, iron, zinc, and selenium — all identifiable and correctable ahead of surgery through blood testing and supplementation.

Cease Smoking: Stopping smoking and all nicotine products at least four weeks before surgery, and for four weeks afterwards, lowers the risk of wound-healing complications.

Limit Alcohol: Alcohol thins the blood and increases bleeding risk during surgery — avoid it in the days beforehand.

Disclose All Medications: Certain over-the-counter medications act as blood thinners — herbal supplements (ginkgo, ginseng, St John’s Wort), vitamin E, aspirin, ibuprofen, and other anti-inflammatories. Tell your surgeon about everything you’re taking so a safe discontinuation plan can be set.

Antibiotics: Your surgeon may prescribe pre-operative antibiotics in certain cases — never self-medicate with antibiotics unless specifically instructed.

Precautions Taken on the Day of Surgery

Several peri-operative precautions reduce complication risk on the day itself:

Keeping You Warm: If your body temperature drops below 36°C during surgery, the risk of bleeding and wound infection rises. Warming blankets and warmed fluids keep your core temperature normal throughout the operation, in line with NICE guidance on preventing hypothermia during surgery ↗.

Sterile Surgical Instruments: A non-negotiable standard that significantly reduces wound infection risk.

Advanced Wound Closure: Techniques such as tissue glue, interactive dressings, and vacuum-assisted wound closure (negative pressure wound therapy) accelerate healing and reduce infection risk. Quilting suture techniques can also lower seroma and dehiscence risk.

Surgical Drains: Placed near incisions during procedures like tummy tuck, thigh lift, or lower body lift to remove excess fluid and reduce seroma formation.

Perioperative Nutritional Support: Addressing nutritional deficiencies during surgery, common in post-bariatric patients, supports better wound healing.

Precise Fluid Administration: Higher intra-operative fluid volumes raise the risk of haematoma, seroma, and wound healing complications — careful fluid management mitigates this.

Reducing Risk in the Postoperative Period

Following your surgeon’s post-operative instructions carefully meaningfully reduces complication risk.

Maintain Proper Hygiene: Keeping wounds clean and dry, per your surgeon’s instructions, speeds healing and lowers complication risk.

Avoid Smoking: Including vaping and second-hand smoke exposure — all hinder healing and raise the risk of wound separation and necrosis.

Ensure Adequate Nutrition: Protein- and vitamin-rich food supports faster wound healing.

Wear Compression Garments: As advised by your surgeon — this supports the wound, reduces swelling, and helps prevent seroma formation.

Avoid Strenuous Activity: Heavy lifting and vigorous exercise strain healing wounds and raise the risk of breakdown, seroma, and infection.

Engage in Light Activity: Gentle walking supports circulation and helps prevent blood clots, without straining the surgical site.

Report Concerning Symptoms Promptly: Fever, increasing pain, or excessive bleeding should be reported to your surgeon immediately — early detection allows prompt management before a complication worsens.

How to Manage Complications of Skin Removal Surgery

Even with careful precautions, complications can occasionally arise. Where they do, several intervention methods are available:

Fluid Aspiration: If a seroma or haematoma forms, the fluid can usually be drained with a needle in clinic, or with a small drain if it keeps coming back. The same approach can address wound breakdown by draining fluid that’s preventing closure, sometimes combined with antibiotic therapy if infection is present.

Wound Debridement: Removing dead or infected tissue from a wound to treat separation or infection and support healing.

Antibiotic Therapy: Oral antibiotics typically resolve minor infections; more severe infections may require hospitalisation and IV antibiotics.

Vacuum-Assisted Wound Closure (VAC): Uses negative pressure to remove fluid and infection from a separated wound and draw its edges together.

Re-closure of Wounds: Occasionally an open wound needs restaples or stitches; extensive separation may require a further procedure.

Management of Underlying Risk Factors: For example, controlling blood glucose in diabetic patients improves wound healing and reduces further complication risk.

Excess Skin Removal Surgery at Centre for Surgery

Every excess skin removal procedure at Centre for Surgery is performed by a GMC-registered plastic surgeon, at our purpose-built, CQC-regulated Baker Street clinic, rated “Good” overall. Reducing complications from skin removal surgery starts with the precautions outlined above and is supported throughout your journey — from pre-operative assessment through to structured aftercare and follow-up.

Related Articles

• Cosmetic Surgery Risks
• Body Lift Recovery and Aftercare

References

1. Carloni R, Naudet F, Chaput B, et al. Are there factors predictive of postoperative complications in circumferential contouring of the lower trunk? A meta-analysis. Aesthet Surg J. 2016;36(10):1143-1154. doi:10.1093/asj/sjw117 ↗
2. Coon D, Gusenoff JA, Kannan N, et al. Body mass and surgical complications in the postbariatric reconstructive patient: analysis of 511 cases. Ann Surg. 2009;249(3):397-401. doi:10.1097/SLA.0b013e318196d0c6 ↗
3. Stewart CM, Faaborg-Andersen C, Baker N, Losken A. Evaluating outcomes and weight loss after panniculectomy. Ann Plast Surg. 2021;87(5):552-555. doi:10.1097/SAP.0000000000002942 ↗