What to Know About the Possible Complications of Cosmetic Surgery

Through cosmetic surgery, patients may change the shape, proportions, or appearance of their face or body. It may also help a person feel more comfortable with a feature that has bothered them for years. However, every operation involves uncertainty. Before deciding whether a procedure is suitable, it is essential to understand the risks of cosmetic surgery. A major complication does not occur in most patients, yet a perfect outcome and completely risk-free surgery can never be promised. Anesthesia, bleeding, infection, healing difficulties, unexpected reactions, and the body's response to an operation can all cause problems. Some complications are temporary and easy to treat. In other cases, a complication can require drugs, hospital care, another operation, or extended monitoring. Patients in Canada should receive clear information about the expected benefits, material risks, alternatives, recovery requirements, and possible consequences of not having treatment. A thorough consultation should provide enough time to review the information and make a decision without pressure. 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? Any undesirable medical, functional, or cosmetic result connected with an operation may be considered a cosmetic surgery risk. Risk levels vary according to the procedure, surgical method, treatment area, operation length, anesthesia type, and the patient's general health. Many cosmetic procedures are followed by mild expected side effects. Swelling, bruising, soreness, numbness, tightness, fatigue, and mild drainage may be normal during early healing. A true complication is not the same as an expected side effect. A complication extends beyond normal recovery and may need medical care. Potential problems associated with plastic surgery include: Bleeding or a collection of blood called a hematoma Infection at the incision or within deeper tissue Seroma formation, which involves fluid collecting beneath the tissue Blood clots in the legs or lungs Delayed wound healing or wound separation Scars that become prominent, raised, wide, or uneven Damage to nerves, loss of feeling, or changes in sensation Loss of skin, fat, or other tissue because of reduced circulation Reactions to anesthesia, medications, adhesives, or surgical materials Asymmetry, contour problems, or an unwanted appearance Changes in function, such as breathing, movement, or sensation Additional medical treatment or a revision operation Although serious complications are rare, they must still be reviewed before surgery. Uncommon but severe risks can include serious infection, substantial bleeding, damage to an organ, cardiac complications, stroke, pulmonary embolism, lasting disability, or death. Common Early Effects During Cosmetic Surgery Recovery Some discomfort and physical change are part of normal healing. Patients should understand what is expected so they can tell the difference between routine recovery and a warning sign. Postoperative Pain and Tenderness The amount of pain experienced depends on both the procedure and the individual. 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. Prompt medical advice is needed if pain suddenly worsens, begins spreading, or appears with fever, redness, breathing difficulty, or unexpected swelling. Postoperative Swelling and Bruising Inflammation and the movement of fluid into surgical tissues cause swelling. It may hide the initial surgical result for weeks or months. Bruises form when tiny blood vessels are damaged and blood collects beneath the skin. Patients undergoing face surgery, breast surgery, liposuction, or body contouring may experience noticeable bruising and swelling. Patients are advised to avoid making early judgments about their final appearance. During recovery, lingering swelling can make contours, symmetry, and skin texture appear different. Changes in Feeling After Surgery During an operation, small nerves responsible for sensation may be stretched, repositioned, or divided. Some procedures commonly cause short-term numbness, tingling, increased sensitivity, or a decrease in feeling. Nerve recovery often improves sensation over time, but normal feeling may not return completely. In some cases, changes in sensation may be permanent. Temporary Limits on Activity 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. Failing to follow activity restrictions may raise the risk of bleeding, swelling, wound breakdown, and other problems. Medical and Surgical Risks Bleeding or Blood Collection A limited amount of bleeding around the incision may be expected. Heavier bleeding may create a hematoma, a pocket of blood beneath the skin or within the treated area. Increasing tenderness, firmness, swelling, discolouration, or an abrupt difference between two sides may indicate a hematoma. Some hematomas can be observed, while others must be drained. Some hematomas require another operation to control the bleeding and remove collected blood. Infection After Cosmetic Surgery An infection can develop in the skin, incision, tissue, or around an implant. Possible signs include increasing redness, warmth, swelling, pus-like drainage, worsening pain, fever, chills, or an unpleasant smell. Antibiotics, specialized wound care, drainage, or further surgery may be needed to treat an infection. An infected breast implant or other medical device may need to be removed. Smoking, uncontrolled diabetes, poor nutrition, and problems with blood circulation can raise the risk of infection or make it harder to treat. Fluid Buildup or Seroma Clear fluid that gathers beneath the skin is known as a seroma. Seromas occur more often after operations that leave a broad space under the tissue, including tummy tuck surgery, body lifts, breast procedures, and extensive liposuction. Small seromas may resolve as the body absorbs the fluid. Larger ones may need to be drained, sometimes more than once. If fluid is not treated, it may strain the incision, delay healing, or lead to infection. Deep Vein Thrombosis and Pulmonary Embolism Deep vein thrombosis, known as DVT, develops when a clot forms in one of the body's deep veins, usually in a leg. If part of the clot travels to the lungs, it can cause a pulmonary embolism. This complication can be life-threatening and must be treated urgently. Risk may increase with long operations, limited movement, previous blood clots, certain medications, nicotine use, obesity, some medical conditions, and combining multiple procedures. Prevention may include early walking, compression devices, support garments, hydration, or blood-thinning medication when appropriate. Delayed or Difficult Wound Healing An incision may heal slowly or begin to separate. Reduced blood supply, infection, tension on the wound, nicotine exposure, certain medications, and medical conditions can interfere with healing. Incision problems may need wound care, antibiotics, surgical cleaning, or further corrective surgery. Healing by secondary intention means allowing an open area to close gradually from the inside outward. Healing in this way often takes more time and can result in a more noticeable scar. Skin or Tissue Necrosis Necrosis occurs when inadequate circulation causes living tissue, such as skin or fat, to become damaged and die. This complication can occur after procedures that lift, tighten, or reposition large sections of tissue. Smoking, vaping, and other nicotine use can greatly increase risk by narrowing blood vessels and reducing tissue oxygen. The extent of tissue damage determines which treatment is required. It may involve wound care, removal of damaged tissue, skin grafting, reconstructive surgery, or a delayed revision. Potential Complications of Anesthesia Cosmetic procedures may be performed with local anesthesia, sedation, general anesthesia, or a combination of these methods. Choosing an anesthesia method requires consideration of the operation, medical background, expected surgical time, and facility. Possible anesthesia-related problems include: Postoperative nausea or vomiting Dizziness, mental confusion, or drowsiness that lasts longer than expected Headache or sore throat Unexpected reactions to anesthetic or other medications Fluctuations in blood pressure or disturbances in heartbeat Problems with breathing Stomach contents entering the lungs, known as aspiration Injury to the teeth, lips, mouth, or airway Major complications involving the heart, lungs, or nervous system A preoperative health history should include every medication, vitamin, supplement, cannabis product, alcohol or nicotine habit, allergy, previous anesthetic reaction, and relevant diagnosis. The safety of the operation can be reduced when important health information is omitted. Cosmetic Surgery Scars and Skin Changes Whenever an incision is made through the skin, a scar will form. Incisions are often positioned in natural creases, along hairlines, or beneath clothing, although no scar can be removed entirely. During the first stages of healing, scars may look red, thick, firm, elevated, or darker than nearby skin. Scars may require a year or more to flatten, soften, and become less noticeable. The final appearance depends on genetics, skin type, incision tension, infection, sun exposure, wound care, location, and the type of operation. Hypertrophic and Keloid Scarring Hypertrophic scarring causes raised tissue that does not extend beyond the wound edges. Unlike a hypertrophic scar, a keloid extends outside the original boundaries of the wound. Patients should inform their surgeon if they or close family members have developed raised or unusual scars. Possible treatments include silicone products, pressure therapy, copyright injections, laser treatment, or scar revision. Scar treatment may improve texture and appearance, but it cannot ensure that a hypertrophic scar or keloid will never come back. Pigment and Texture Irregularities 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. The risk can differ by skin tone and by the type of procedure performed. Cosmetic Outcome Risks and Patient Dissatisfaction 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. Possible aesthetic concerns include: Ongoing asymmetry Uneven contours or visible irregularities Under-correction or over-correction An unnatural or overly tight appearance Changes in shape as swelling settles An implant that shifts, rotates, or sits incorrectly Noticeable scars or scars in an unfavourable location A return of looseness or sagging with age and time Patient dissatisfaction even when the result is medically acceptable Before-and-after images, photographs, and computer simulations may help explain possibilities, but they do not promise a matching result. Anatomy and healing responses vary from one person to another. The Possibility of Revision Surgery When problems occur or the outcome may benefit from improvement, revision cosmetic surgery can be considered. Revision surgery carries risks of its own. Scar tissue can make the procedure more complex, and the tissues may have less blood supply or flexibility than they did before the first surgery. Before proceeding, patients should understand exactly what is included in the surgeon's or clinic's revision policy. Additional costs for the surgeon, operating room, anesthetic, implants, medicine, transportation, accommodation, and missed employment may fall outside the initial price. Complications by Type of Cosmetic Surgery Although many operations share common complications, every cosmetic procedure has its own specific risks. Facelift and Neck Lift Risks Hematoma, facial nerve injury, hairline alteration, hair loss around incisions, skin necrosis, contour problems, earlobe changes, loss of feeling, facial weakness, and visible scarring are among the risks of facelift and neck lift surgery. Because nicotine restricts circulation, its use can greatly increase wound and skin-healing complications. Possible Rhinoplasty Complications After nose surgery, patients may experience persistent swelling, nosebleeds, infection, asymmetry, smell changes, irregular contours, septal perforation, collapse of nasal support, or obstructed breathing. The final shape may take a year or longer to become clear. Revision rhinoplasty can be more difficult because of scar tissue and changes to the cartilage. 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. A patient should seek urgent care if severe eye pain or an abrupt change in vision occurs. Breast Surgery Risks Procedures such as breast augmentation, mastopexy, and breast reduction can change nipple feeling, breast balance, scarring, and future breastfeeding ability. Additional complications can include bleeding beneath the tissue, infection, fat tissue death, slow wound healing, and changes to the nipple or areola location. Patients with breast implants face additional concerns that can develop over time. These include capsular contracture, implant rupture, deflation, rippling, movement, rotation, pain, and the need for future monitoring or surgery. Implants are not lifetime devices. Health Canada publishes safety guidance concerning rare illnesses associated with some breast implants, including breast implant-associated anaplastic large cell lymphoma. Liposuction Risks Liposuction may lead to dents, surface irregularities, skin looseness, fluid problems, numbness, fluid collection, infection, organ injury, fat embolism, or lidocaine toxicity when local anesthesia is involved. The physical strain and recovery requirements may rise when large fat volumes are removed or multiple areas are treated. Risks of Abdominoplasty and Body Lift Surgery Tummy tuck and body lift procedures require long incisions and repositioning of broad tissue areas. Possible complications include fluid buildup, DVT, infection, tissue loss, incision opening, reduced sensation, visible scars, and changes in navel shape or placement. Recovery may involve several weeks of limited movement and physical activity. Fat Grafting Risks Fat transfer involves removing fat from one area and injecting it into another. The body naturally absorbs some transferred fat, potentially reducing volume or creating asymmetry. Fat grafting may also cause fat necrosis, cyst formation, calcium deposits, infection, oily fluid collections, or unintended injection into circulation. The safety concerns differ depending on whether fat is placed in the face, breasts, buttocks, or another area. Who May Face Greater Cosmetic Surgery Risks? Some health and lifestyle factors can raise the chance of complications. Preoperative preparation may include laboratory testing, medication changes, weight management, stopping nicotine, or obtaining medical clearance. The likelihood of complications may increase with: Cigarette smoking, vaping, or any form of nicotine use Diabetes with unstable or elevated blood sugar Cardiac, respiratory, renal, liver, or vascular conditions Past DVT, pulmonary embolism, or a diagnosed bleeding disorder Obesity or major weight changes Sleep apnea Conditions affecting the immune system Nutritional deficiencies or a low red blood cell count Previous radiation or surgery in the treatment area Prescription products, non-prescription medicines, or supplements that alter bleeding and 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. Instead, the surgeon must assess whether surgery is reasonably safe and determine what preparation is required. Psychological Effects of Cosmetic Surgery An operation performed for appearance can influence a patient's mental and emotional state in addition to the body. Swelling, bruising, fatigue, and temporary lifestyle restrictions may leave some patients feeling worried, frustrated, or low. A short period of sadness or emotional difficulty after surgery is sometimes known as postoperative blues. When a patient's expectations exceed the realistic limits of surgery, deeper or longer-lasting disappointment may follow. Although surgery can alter appearance, it cannot promise self-confidence, fix relationships, ensure professional success, or resolve wider life difficulties. The patient's motivation for considering surgery should be discussed during an appropriate assessment. Possible warning signs include outside pressure, ongoing dissatisfaction despite multiple operations, severe concern about a minor feature, and unrealistic beliefs about total life transformation. Intense and persistent concern about perceived physical defects may be a sign of body dysmorphic disorder, a recognized mental health condition. An operation may fail to resolve the deeper psychological distress. In suitable cases, the surgeon may delay treatment and advise the patient to seek mental health assessment or counselling first. Ways to Lower Cosmetic Surgery Risks Cosmetic surgery always carries some risk, yet careful planning can reduce the likelihood of complications. Select a qualified doctor who has appropriate education and substantial experience performing the procedure. Check the doctor's licence, registration, and professional standing with the applicable provincial or territorial medical regulator. Find out which facility will be used and whether it has suitable emergency plans, safety standards, and infection prevention measures. 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. Arrange a responsible adult to drive you home and assist during early recovery when required. Do not schedule travel, work duties, exercise, or major events until you understand how long recovery may take. Attend all follow-up appointments and report unusual symptoms promptly. Do not compare your healing speed with edited images or another patient's recovery. Wait until healing is mature before deciding whether revision surgery is needed. How to Select 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. Canadian patients can ask if their surgeon has been 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 cosmetic plastic surgery nearby experience with the specific procedure, complication management, communication, surgical setting, and follow-up care. Useful questions for a cosmetic surgery consultation include: What are your surgical qualifications and specialty credentials? How often do you perform this procedure? Am I a suitable candidate based on my health and anatomy? Which problems do your patients experience most often after this operation? What rare but serious risks should I understand? Which medical professional will administer and monitor my anesthesia? Who should I contact if I experience a complication outside normal clinic 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? Could I face extra surgeon, facility, anesthesia, medication, or revision fees? Informed Consent for Cosmetic Surgery Signing paperwork alone does not create true informed consent. It should be a continuing conversation that allows the patient to decide freely after receiving adequate information. 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. A patient should never feel rushed to sign. Questions should be asked whenever risks, terminology, or instructions are not fully understood. Taking notes, involving a support person, and reviewing written material outside the clinic can support an informed decision. Postoperative Warning Signs Patients should receive clear directions about warning signs, emergency care, and after-hours communication. Contact the clinic promptly when symptoms are unexpected, worsening, or different from the recovery plan. Urgent warning signs may include: Chest pain, shortness of breath, coughing blood, or fainting Sudden swelling, pain, redness, or warmth in one leg Uncontrolled bleeding or a sudden increase in swelling Pain that remains severe despite the prescribed treatment plan A significant fever, shaking chills, expanding redness, or thick discharge Confusion, extreme weakness, or difficulty staying awake Skin that becomes very pale, dark, blistered, or cold to the touch Loss of sight, intense eye pain, or an abrupt disturbance in vision Ongoing vomiting or difficulty drinking without becoming sick Any symptom the surgical team identified as an emergency Call 911 or seek emergency care when symptoms may be life-threatening. Severe breathing difficulty, chest pain, unconsciousness, heavy bleeding, and other emergency symptoms should not wait until normal clinic hours. Financial Risks and Health Coverage in Canada 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. Complication-related costs should be discussed before surgery. 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. Travel, accommodation, nursing assistance, missed work, child care, and revision surgery can create additional expenses. Patients considering medical tourism should think about who will provide follow-up care after returning to Canada. A lower initial price may not include management of infection, wound problems, blood clots, implant complications, or revision surgery. Balancing the Benefits and Risks of Cosmetic Surgery A sound decision about cosmetic surgery requires realistic expectations, appropriate health, informed consent, and knowledge of the healing process. Realistic patients seek meaningful improvement while accepting that no procedure can deliver a flawless result. Before deciding, compare what the operation may achieve with its physical, psychological, practical, and economic consequences. 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. A responsible surgeon may decline surgery if the patient's risk level is unacceptable, the likely improvement is minimal, or the desired result is unrealistic. A decision not to operate is sometimes the safest and most responsible form of patient care. Deciding Whether Cosmetic Surgery Is Right for You Understanding the risks of cosmetic surgery does not mean assuming that complications will occur. Instead, risk awareness allows patients to decide using reliable facts rather than marketing, online trends, or cost as the only factor. Learn about the procedure, review your personal risk factors, confirm the surgeon's qualifications, ask detailed questions, and plan for a full recovery. A complete understanding of the likely improvements, procedure limitations, available options, and associated risks helps patients determine whether cosmetic surgery is appropriate for them.