What to Know About the Possible Complications of Cosmetic Surgery

Cosmetic surgery can improve the shape, proportion, or appearance of the face and body. For some people, it can also reduce concern about a physical feature that has caused distress for years. However, every operation involves some degree of uncertainty. A careful decision about cosmetic surgery should include a clear understanding of its possible risks.

Most patients recover without a major complication, but no surgeon can promise a perfect result or a risk-free operation. Anesthesia, bleeding, infection, healing difficulties, unexpected reactions, and the body's response to an operation can all cause problems. Certain complications are temporary and can be treated without major intervention. Others may require medication, hospital care, revision surgery, or long-term follow-up.

Canadian patients should receive understandable information about benefits, material risks, available alternatives, recovery demands, and the possible effects of choosing no treatment. During a careful consultation, patients should be able to consider the facts without being rushed. Most cosmetic procedures are optional, which means you can delay or decline surgery when its risks do not justify its likely benefits.

What Are the Risks of Cosmetic Surgery?

The risks of cosmetic surgery include unwanted outcomes that affect health, physical function, or appearance. The procedure being performed, technique used, body area treated, duration of surgery, anesthesia method, and patient health all influence risk.

Many cosmetic procedures are followed by minor expected side effects. During early recovery, swelling, bruising, tenderness, numbness, tightness, tiredness, and light drainage may be normal. Expected healing effects and surgical complications are different. A complication extends beyond normal recovery and may need medical care.

Plastic surgery complications may include the following:

A hematoma, which is a collection of blood, or other excessive bleeding
Infection at the incision or within deeper tissue
A collection of fluid called a seroma
Blood clots in the legs or lungs
Delayed wound healing or wound separation
Noticeable, raised, widened, or uneven scars
Nerve-related problems, including numbness or unusual sensation
Skin, fat, or tissue loss caused by poor blood supply
Unexpected reactions to anesthetic drugs, medicines, adhesives, or surgical products
Unevenness, contour irregularities, or an unsatisfactory appearance
Changes in function, such as breathing, movement, or sensation
A need for further care or corrective surgery

Although serious complications are rare, they must still be plastic surgeon reviewed before surgery. Possible rare complications include severe infection, major hemorrhage, organ damage, heart problems, stroke, a blood clot in the lungs, permanent impairment, and death.

Common Short-Term Effects After Cosmetic Surgery

Some discomfort and physical change are part of normal healing. Knowing what normal healing looks like helps patients recognize when a symptom may be a warning sign.

Pain and Tenderness

Each patient experiences pain differently, and some operations cause more discomfort than others. The surgical site can feel tender, tight, sore, or mildly burning during recovery. As recovery progresses, pain should generally become less intense and easier to control. Patients should quickly report severe or spreading pain, especially when it is accompanied by fever, redness, shortness of breath, or unusual swelling.

Bruising and Tissue Swelling

Swelling develops when inflammation allows fluid to collect in and around the treated area. For several weeks or even months, swelling may conceal the true result of surgery. Bruises form when tiny blood vessels are damaged and blood collects beneath the skin. Facial procedures, liposuction, breast surgery, and body contouring can all cause visible swelling and bruising.

Patients are advised to avoid making early judgments about their final appearance. Residual swelling can change shape, symmetry, and skin texture during recovery.

Numbness and Changes in Sensation

During an operation, small nerves responsible for sensation may be stretched, repositioned, or divided. Temporary changes such as tingling, numbness, tenderness, or reduced sensation may occur after surgery. Nerve recovery often improves sensation over time, but normal feeling may not return completely. In some cases, changes in sensation may be permanent.

Short-Term Activity Restrictions

During early recovery, patients may require support with transportation, meals, family duties, pets, household chores, and self-care. Patients may be temporarily unable to drive, exercise, lift heavy objects, swim, or resume their jobs. Ignoring these limits can increase swelling, bleeding, wound problems, and other complications.

Surgical and Medical Complications

Bleeding and Hematoma

A limited amount of bleeding around the incision may be expected. When bleeding is more substantial, blood may collect under the skin or in the surgical site and form a hematoma. A hematoma may cause increasing pain, firmness, swelling, discolouration, or a sudden difference between two sides of the body.

A small hematoma may only need monitoring, but a larger one may require drainage. A return to the operating room may be necessary in more serious cases.

Infection After Cosmetic Surgery

Infection may affect the skin, surgical cut, deeper tissue, or the area surrounding an implant. Warning signs can include spreading redness, heat, swelling, worsening pain, pus-like fluid, fever, chills, or an unusual odour.

Treatment may involve antibiotics, wound care, drainage, or another operation. Removal can be required when infection develops around a breast implant or surgical device. Infection risk and treatment difficulty may increase with smoking, poorly controlled diabetes, inadequate nutrition, or reduced circulation.

Fluid Buildup or Seroma

A seroma is a pocket of clear fluid that collects under the skin. Procedures such as abdominoplasty, body lift surgery, breast surgery, and large-area liposuction may have a greater seroma risk because they create space beneath the tissue.

Small seromas may resolve as the body absorbs the fluid. A larger seroma may require drainage on one or several occasions. Untreated fluid can place pressure on the incision, affect healing, or become infected.

Blood Clots and Pulmonary Embolism

A blood clot that forms in a deep vein, commonly within the leg, is called deep vein thrombosis, or DVT. When part of a deep vein clot moves into the lungs, it may block blood flow and cause a pulmonary embolism. A pulmonary embolism requires emergency medical care.

Factors that may raise blood clot risk include lengthy surgery, reduced mobility, a history of clots, particular medications, nicotine exposure, obesity, certain illnesses, and multiple procedures performed together. Depending on the patient, preventive steps may involve getting up early, using compression equipment or garments, staying hydrated, or taking prescribed blood thinners.

Poor Wound Healing

An incision may heal slowly or begin to separate. Healing may be impaired by poor circulation, infection, pressure on the incision, nicotine, some medicines, or underlying health conditions.

Wound problems may require dressings, antibiotics, removal of damaged tissue, or additional surgery. Healing by secondary intention means allowing an open area to close gradually from the inside outward. This process can take longer and may leave a more visible scar.

Skin or Tissue Necrosis

Necrosis means that skin, fat, or another tissue does not receive enough blood and begins to die. Operations that move, tighten, or lift broad areas of tissue can carry a risk of necrosis. Smoking, vaping, and other nicotine use can greatly increase risk by narrowing blood vessels and reducing tissue oxygen.

Treatment depends on the amount of tissue affected. It may involve wound care, removal of damaged tissue, skin grafting, reconstructive surgery, or a delayed revision.

Risks Related to Anesthesia

Local anesthesia, sedation, general anesthesia, or a combination may be used during cosmetic surgery. The safest choice depends on the operation, the patient's medical history, the expected length of surgery, and the surgical setting.

Possible anesthesia-related problems include:

Feeling sick or vomiting after anesthesia
Light-headedness, confusion, or extended sleepiness
Headache or sore throat
Allergic or medication reactions
Abnormal blood pressure or irregular heart rhythm
Breathing difficulties
Stomach contents entering the lungs, known as aspiration
Dental, lip, or airway damage
Severe cardiac, respiratory, or neurological problems

A preoperative health history should include every medication, vitamin, supplement, cannabis product, alcohol or nicotine habit, allergy, previous anesthetic reaction, and relevant diagnosis. Withholding medical or lifestyle information may increase the risks of anesthesia and surgery.

Changes in Scarring, Colour, and Skin Texture

Any procedure that cuts the skin creates a scar. Incisions are often positioned in natural creases, along hairlines, or beneath clothing, although no scar can be removed entirely.

Scars often appear red, raised, firm, or darker during early healing. They may soften and fade over 12 months or longer. The final appearance depends on genetics, skin type, incision tension, infection, sun exposure, wound care, location, and the type of operation.

Hypertrophic Scars and Keloids

A hypertrophic scar becomes thick or raised but stays within the original wound. Unlike a hypertrophic scar, a keloid extends outside the original boundaries of the wound. People with a personal or family history of abnormal scarring should tell their surgeon before surgery.

Possible treatments include silicone products, pressure therapy, copyright injections, laser treatment, or scar revision. Treatment may improve a scar, but it cannot guarantee that abnormal scar tissue will not return.

Skin Colour and Texture Changes

The treated skin may develop colour changes, redness, noticeable blood vessels, dimpling, firmness, or textural differences. Some of these changes resolve over time, while others can last permanently. A patient's skin tone and the procedure being performed can influence the likelihood of these changes.

Aesthetic Risks and Unsatisfactory Results

Even when surgery is performed correctly, the final appearance may not match the patient's expectations. The body's response is shaped by age, anatomy, skin quality, earlier surgery, scar development, and normal side-to-side differences.

Appearance-related problems may include:

Unevenness that remains after healing
Visible dents, bulges, or contour differences
Under-correction or over-correction
A result that appears unnatural or excessively tight
Alterations in shape while swelling resolves
Implant position problems
Scarring that is prominent or difficult to conceal
Gradual recurrence of skin or tissue laxity
Patient dissatisfaction even when the result is medically acceptable

Visual examples and digital imaging can guide consultation discussions, although no patient can be guaranteed the same outcome. Each patient has different anatomy and heals in a different way.

Revision Cosmetic Surgery

Revision surgery may be considered when a complication occurs or when the result can be improved. Revision surgery carries risks of its own. Because scarred tissues may be less flexible and have reduced circulation, revision procedures can be more difficult.

It is important to ask how the practice handles revisions and which expenses are covered. The first surgical fee may not cover a revision surgeon, facility charges, anesthesia, new implants, prescriptions, travel, or lost work time.

Risks Associated With Specific Cosmetic Procedures

Although many operations share common complications, every cosmetic procedure has its own specific risks.

Possible Facelift and Neck Lift Complications

Facelift and neck lift complications may include hematoma, facial nerve injury, hairline changes, hair loss near incisions, skin loss, contour irregularities, earlobe distortion, numbness, facial weakness, and visible scarring. Smoking, vaping, and other nicotine exposure can significantly raise the chance of skin loss and delayed healing.

Risks of Nose Surgery

Potential rhinoplasty complications include long-lasting swelling, bleeding, infection, unevenness, altered smell, contour problems, a hole in the septum, structural collapse, and nasal breathing difficulty. It can take at least a year for swelling to resolve enough for the final nasal shape to be assessed. A revision nose operation is often more challenging because the first surgery changes the cartilage and creates internal scarring.

Possible Complications of Eyelid Surgery

Possible eyelid surgery complications include eye dryness, irritation, short-term blurred vision, incomplete eyelid closure, abnormal lid position, unevenness, scars, bleeding behind the eye, and visual changes. Severe eye pain or a sudden change in vision requires urgent medical assessment.

Possible Breast Procedure Complications

Procedures such as breast augmentation, mastopexy, and breast reduction can change nipple feeling, breast balance, scarring, and future breastfeeding ability. Other risks include hematoma, infection, fat necrosis, delayed healing, and changes in nipple or areola position.

Implant-based breast surgery involves long-term risks beyond the normal surgical recovery period. Long-term implant issues can include hard scar tissue, rupture, loss of volume, visible rippling, shifting, rotation, discomfort, and additional procedures. Implants are not lifetime devices. Patients in Canada can review Health Canada information about uncommon implant-related conditions, such as breast implant-associated anaplastic large cell lymphoma.

Possible Liposuction Complications

Liposuction complications may include contour irregularities, dents, rippling, loose skin, fluid imbalance, numbness, seroma, infection, internal injury, fat embolism, and lidocaine toxicity when local anesthetic is used. Removing larger volumes of fat or treating several body areas may increase medical stress and recovery demands.

Possible Tummy Tuck and Body Lift Complications

Tummy tuck and body lift procedures require long incisions and repositioning of broad tissue areas. Risks include seroma, blood clots, infection, skin loss, wound separation, numbness, prominent scarring, and changes to the position or shape of the belly button. Activity and lifting restrictions can remain in place for a number of weeks.

Possible Fat Grafting Complications

Fat transfer uses liposuction to collect fat, which is then injected into another part of the face or body. The body naturally absorbs some transferred fat, potentially reducing volume or creating asymmetry. Additional complications include dead fat tissue, cysts, calcification, infection, oil cysts, and fat entering a blood vessel. Fat transfer risks vary according to whether the treatment area is the face, breast, buttocks, or another body region.

Factors That Increase the Risk of Complications

A patient's health status and daily habits may make complications more likely. Preoperative preparation may include laboratory testing, medication changes, weight management, stopping nicotine, or obtaining medical clearance.

Factors associated with higher surgical risk include:

Cigarette smoking, vaping, or any form of nicotine use
Diabetes that is not well controlled
Cardiac, respiratory, renal, liver, or vascular conditions
A bleeding disorder or history of blood clots
Obesity, unstable weight, or recent major weight loss or gain
A diagnosed or suspected sleep-related breathing disorder
Immune system disorders
Nutritional deficiencies or a low red blood cell count
Scar tissue or circulation changes from prior operations or radiation
Medications or supplements that affect bleeding or healing
Expectations that cannot be achieved or unaddressed psychological concerns affecting consent

The presence of one or more risk factors does not automatically prevent cosmetic surgery. The surgeon needs to evaluate the level of risk and decide whether health or lifestyle changes are necessary before treatment.

Psychological Effects of Cosmetic Surgery

Cosmetic surgery can affect emotional health as well as physical health. During recovery, patients can become anxious or discouraged because they look swollen, feel tired, and cannot resume normal activities. This temporary low mood is sometimes called postoperative blues.

Significant dissatisfaction is more likely when the expected transformation is not medically achievable. Although surgery can alter appearance, it cannot promise self-confidence, fix relationships, ensure professional success, or resolve wider life difficulties.

A responsible assessment should explore the patient's reasons for seeking surgery. Possible warning signs include outside pressure, ongoing dissatisfaction despite multiple operations, severe concern about a minor feature, and unrealistic beliefs about total life transformation.

Body dysmorphic disorder causes significant distress and preoccupation with appearance flaws that may seem minor or unnoticeable to others. Surgery may not relieve the underlying concern. A psychological evaluation or professional support may be recommended before surgery when concerns are identified.

Ways to Lower Cosmetic Surgery Risks

Although no operation can be made completely risk-free, thorough preparation can improve safety.

Work with a properly trained physician whose practice includes the cosmetic operation you are considering.
Confirm through your province or territory's college of physicians and surgeons that the doctor is licensed and in good standing.
Ask where the procedure will be performed and what safety, emergency, and infection-control systems are available.
Disclose your entire health history, including previous surgery, allergies, medications, supplements, alcohol, cannabis, and nicotine use.
Carefully follow all directions related to eating, drinking, preoperative tests, medication adjustments, and nicotine cessation.
When needed, organize transportation and early postoperative support from a responsible adult.
Review the expected healing schedule before arranging employment, trips, strenuous activity, or important occasions.
Go to every scheduled postoperative visit and quickly contact the surgical team about unexpected symptoms.
Do not compare your healing speed with edited images or another patient's recovery.
Do not make an early decision about revision, because the tissues may require many months to heal and stabilize.

Choosing a Cosmetic Surgeon in Canada

Medical regulation in Canada is handled at the provincial and territorial level. Patients may verify a physician's licence and registered specialty through the online register maintained by their provincial or territorial regulator.

Patients may also ask whether a surgeon is certified in plastic surgery by the Royal College of Physicians and Surgeons of Canada. Certification is one useful qualification to review, but patients should also consider experience with the specific procedure, complication management, communication, surgical setting, and follow-up care.

Questions to ask during a cosmetic surgery consultation include:

What professional education and certifications have you completed?
How many times have you carried out this operation?
Based on my health, goals, and anatomy, is this procedure suitable for me?
What are the most common complications in your practice?
What rare but serious risks should I understand?
Which medical professional will administer and monitor my anesthesia?
What happens if I have a complication after business hours?
Which hospital or emergency facility would treat me if a serious problem occurred?
Which follow-up visits and services are included in the fee?
What costs could arise if I need treatment or revision surgery?

What Informed Consent Should Include

Informed consent involves more than placing a signature on a document. The process requires clear communication so that the patient can make a knowledgeable and voluntary choice.

A proper consent discussion includes the procedure itself, expected improvement, significant complications, alternative options, recovery requirements, limitations, and the choice to decline treatment. Any complication that could significantly affect the patient's medical condition, employment, lifestyle, or priorities should receive special attention.

Patients should have enough time to review consent information without being pressured. Ask for clarification when a term or complication is unclear. It can be helpful to take notes, bring a trusted person to the consultation, and review written instructions at home.

Warning Signs After Cosmetic Surgery

The surgeon's office should explain which symptoms require attention and copyright the appropriate provider. Unexpected or worsening symptoms that fall outside the recovery instructions should be reported without delay.

Potential emergency signs after cosmetic surgery include:

Chest pain, shortness of breath, coughing blood, or fainting
One-sided leg swelling, tenderness, warmth, or discolouration
Significant bleeding or swelling that expands quickly
Severe pain that is not controlled by prescribed medication
Fever, chills, redness moving away from the incision, or drainage resembling pus
Disorientation, marked weakness, or excessive drowsiness
Possible tissue damage shown by abnormal colour, blistering, or low skin temperature
Loss of sight, intense eye pain, or an abrupt disturbance in vision
Persistent vomiting that prevents normal hydration
Any symptom the surgical team identified as an emergency

Emergency medical services should be contacted immediately for potentially life-threatening complications. Do not wait for an office to reopen when there is severe breathing trouble, chest pain, loss of consciousness, major bleeding, or another urgent concern.

Cosmetic Surgery Costs and Canadian Health Coverage

Canadian provincial and territorial health plans generally do not pay for operations performed solely for cosmetic reasons. The patient is normally responsible for surgeon fees, anesthetic services, facility charges, implants, compression garments, medication, tests, and associated costs.

Before an operation, patients should ask who pays for treatment if a complication develops. Whether care is publicly covered can depend on the treatment needed, where it is delivered, and the rules of the patient's province or territory. Patients should budget for possible travel, lodging, caregiving, time away from employment, child care, and future revision surgery.

Medical tourists need to determine which Canadian provider, if any, will manage recovery and complications after their return. An inexpensive overseas package may exclude the cost of treating infection, poor healing, DVT, implant problems, and corrective operations.

Balancing the Benefits and Risks of Cosmetic Surgery

The decision to have cosmetic surgery should be based on realistic goals, good health, informed consent, and a clear understanding of recovery. A suitable patient recognizes that improvement is possible, but perfection is not.

Take time to compare the expected benefit with the medical, emotional, practical, and financial risks. Consider whether you can follow the recovery plan, accept visible scars, manage time away from work, and cope with the possibility of an imperfect result.

When complications are too likely, benefits are small, or expectations cannot be met safely, an experienced surgeon may recommend against operating. This is an important part of responsible care.

Deciding Whether Cosmetic Surgery Is Right for You

Being aware of possible complications is not the same as believing they are certain to happen. It means making a thoughtful decision based on accurate information rather than advertising, social media trends, or price alone.

Before surgery, research the operation, assess your health risks, verify medical credentials, ask thorough questions, and prepare for the complete healing period. Patients can make a more informed choice when they clearly understand expected benefits, realistic limits, non-surgical or surgical alternatives, and potential complications.