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Can you get an infection months after surgery?

Author

William Rodriguez

Published Jan 24, 2026

There are some situations in which a surgical site infection (SSI) can develop weeks or months after the patient has been sent home from the hospital. Depending on what causes the infection and what body parts are affected, it is possible for an infection to start to form after a procedure.

What causes infection months after surgery?

Infections after surgery are caused by germs. The most common of these include the bacteria Staphylococcus, Streptococcus, and Pseudomonas.

How long after surgery can you get infection?

A surgical wound infection can develop at any time from 2 to 3 days after surgery until the wound has visibly healed (usually 2 to 3 weeks after the operation). Sometimes an infection can occur several months after an operation.

Can a scar get infected months later?

It is very rare that old scars get infected, but you may have developed an infection in the skin fold , causing secondary infection of the scar tissue. You may need antibiotics,so please see your doctor for a prescription.

Can a healed incision get infected?

Your wound could be infected if you have: Fever. Delay in your healing. Pus, redness, and pain getting worse.

42 related questions found

Can scar tissue hurt months after surgery?

In some cases, pain from scar tissue is noticeable right away. In others, the pain may come on years later. Sometimes this has to do with nerves that develop after the injury itself heals.

What are the five signs of an infection?

Signs of Infection

  • Increased pain or swelling.
  • A foul smell from the wound.
  • Pus-like drainage, fever or chills.
  • Increasing redness around the wound.
  • Red streaks moving away from the wound.

What happens if you get an infection after surgery?

A surgical site infection may cause redness, delayed healing, fever, pain, tenderness, warmth around the incision or even swelling. In some cases, SSIs will cause pus to drain out of the wound site and cause the incision to reopen.

How do you know if you have infection after surgery?

Signs of infection, like fever and chills. Redness, swelling, pain, bleeding, or any discharge from the surgical site. Nausea or vomiting that doesn't get better. Pain that doesn't get better with medication.

What is surgical site infection?

A surgical site infection (SSI) is an infection that occurs after surgery in the part of the body where the surgery took place. Surgical site infections can sometimes be superficial infections involving the skin only.

Can you get an infection 3 months after surgery?

There are some situations in which a surgical site infection (SSI) can develop weeks or months after the patient has been sent home from the hospital. Depending on what causes the infection and what body parts are affected, it is possible for an infection to start to form after a procedure.

What does sepsis look like?

Signs of sepsis are: • Pale, blotchy or blue skin, lips or tongue. Blotchy skin is when parts of your skin are a different colour than normal. Sometimes it is hard to know if you or somebody you look after has sepsis, or if it is something else, like flu or a chest infection.

What is delayed infection?

The microorganisms that cause delayed infection are usually of lower virulence (e.g., coagulase-negative staphylococci). Infecting bacteria have often been present long enough to have become adherent to metallic implant and dead bone, and are thus more resistant to antibiotics.

What are the signs of sepsis after surgery?

Key symptoms of sepsis include confusion or disorientation, shortness of breath, rapid heart rate, fever or shivering, feeling very cold, extreme pain or discomfort, and clammy or sweaty skin.

What is the most common cause of surgical site infections?

Surgical site infections may be caused by endogenous or exogenous microorganisms. Most SSIs are caused by endogenous microorganisms present on the patient's skin when the surgical incision is made. Gram-positive bacteria such as Staphylococcus aureus are the most common causative skin-dwelling microorganisms.

When should I be concerned about an infection?

Call a doctor or go to the hospital right away if you think you might have a skin infection and: You have a fever of 100.4 degrees or higher. You're in a lot of pain. The redness or swelling spreads.

What is the first stage of infection?

1. Incubation. The incubation stage includes the time from exposure to an infectious agent until the onset of symptoms. Viral or bacterial particles replicate during the incubation stage.

What are the 4 types of infections?

The four different categories of infectious agents are bacteria, viruses, fungi, and parasites. When studying these agents, researchers isolate them using certain characteristics: Size of the infectious agent.

Can scar tissue get infected?

Infection is the worst thing for a healing scar. It will delay your healing and could make you very sick. Consult your GP if you notice any of the following signs: swelling, redness, itching and increasing pain in the affected area.

Does scar tissue cause inflammation?

Fibroblasts, which are cells that form during scar tissue growth, are responsible for fibrosis. If the fibroblasts do not clear over time, they cause prolonged inflammation. Other symptoms associated with scar tissue include itching, swelling, and tenderness or sensitivity.

What is scar sarcoidosis?

Scar sarcoidosis is characterized by the onset of erythematous swelling and the development of papules and nodules within the original scars. In cases of cutaneous or subcutaneous swelling in the area of an old scar or beside a scar, a scar sarcoidosis is a possible differential diagnosis (1).

Can a surgical scar get infected years later?

A small number of patients manifest wound infections several months to several years after their operations. A study was undertaken to delineate the clinical characteristics of patients whose infections became apparent after a prolonged time interval from surgery.

What antibiotic is used for surgical site infection?

Cephalosporin antibiotics (such as cefazolin) are first-line agents for most surgical procedures, targeting the most likely organisms while avoiding broad-spectrum antimicrobial prophylaxis that may lead to the development of antimicrobial resistance.

Can you get sepsis years after surgery?

Post-operative sepsis is a rare complication of surgery, where sepsis has occurred shortly after an operation. In severe cases it can be life threatening, causing multi-organ failure. Post-operative sepsis is a very rare condition and affects up to 1% of patients who have had routine operations.

Can you have sepsis for months?

These can last for months, or even years, after you had sepsis. These long-term effects are sometimes called post-sepsis syndrome, and can include: feeling very tired and weak, and difficulty sleeping.