After open abdominal surgery (laparotomy), a long incision of 25–30 centimeters can become the focus of daily worry as it heals. It is natural to feel alarmed when the skin around the wound turns pinkish and a mild fever appears. The reassuring news is that, in the first days after surgery, a little redness and a low-grade fever can be a normal part of recovery. The difficulty is that a "normal reaction" and a "warning sign" can look similar, so knowing what sets them apart helps ease unnecessary anxiety.
Wound healing unfolds in stages. During the first days, the body sends blood and immune cells to the wound to clean and repair it — the inflammatory phase. In this period the wound edges may look slightly red, feel warm to the touch, and be accompanied by a mild fever. This can reflect normal healing rather than infection. Over time the redness typically narrows to a thin line along the incision and fades, while pain eases a little each day.
By contrast, certain changes raise concern for a surgical site infection (SSI). These include redness that spreads outward and widens day by day, pain that worsens rather than improves, and pus-like discharge or a foul odor from the wound. A fever climbing above 38°C, chills, or a tense, swelling area around the incision are also signs to watch. When recovery shifts from "gradually better" to "gradually worse," that change itself is a reason to tell the care team.
Pain at the site where a drain was placed is another common complaint. A drain passes through skin and muscle deep into the body, so after removal a tingling or pulling sensation may linger along its path for several days. This usually settles with time, but if fluid keeps leaking from the drain site, or if the area becomes red, swollen, and clearly warm, it deserves the same attention as the incision.
At home, rather than touching the wound often or applying ointments or antiseptics on your own, it helps to look at the wound once a day at the same time and note any changes. Recording the extent of redness, the color and amount of discharge, the height of the fever, and the level of pain by date lets you tell the clinic precisely whether things are better or worse than the day before. If chemotherapy is also underway, a lowered immune system can blunt the usual signs of infection, so when anything is unclear it is safer to call first rather than wait for the next appointment.
This article offers general information to help you understand wound recovery; it does not diagnose an individual condition or replace medical care. If you are worried about changes in redness, fever, or pain, please consult the hospital where the surgery was performed or your care team.