What this experience covers
This experience focuses specifically on continence changes after lateral internal sphincterotomy (LIS) — the concern that dominates pre-surgery anxiety more than any other. It is a composite from 31+ anonymised accounts. Not one person’s story, but the patterns that emerge when many people describe the same fear and its aftermath.
This is about what “minor continence changes” actually mean in daily life. The words surgeons use. The words people use. And the gap between the two.
The pattern
Before surgery: the fear
For most people considering LIS, continence risk is the thing that keeps them awake. It is the reason people delay surgery for months or years, sometimes enduring severe daily pain rather than accept even a small possibility of losing control.
The fear tends to be catastrophic. People describe imagining worst-case scenarios — needing pads permanently, being unable to trust their body, losing dignity. Forum searches amplify this. A single negative account can outweigh dozens of reassuring ones when the stakes feel this personal.
The statistics people encounter — figures like a 0.5% risk of significant incontinence — are intellectually reassuring but emotionally insufficient. When it is your body, even a fraction of a percent feels enormous.
The first weeks: noticing changes
In the early days after surgery, it is genuinely difficult to separate healing-related sensations from anything else. The area is swollen, sensitive, and adjusting to reduced sphincter tone. This is expected — it is the mechanism by which LIS works.
What people commonly describe in the first two to four weeks:
- Gas that seems to pass without the usual warning or ability to hold it back
- A sense that things feel “looser” or “different” down there
- Occasional urgency — needing to reach a toilet more quickly than before
- Uncertainty about whether what they are experiencing is normal or a problem
The emotional response at this stage is often disproportionate to the physical reality. People who were warned about possible changes watch for them intensely. Every sensation is scrutinised. Every instance of gas passing unexpectedly triggers the question: is this incontinence?
What “minor changes” actually look like
The most common continence-related change after LIS is reduced gas control. Not fecal incontinence. Gas control.
In practical terms, people describe:
- Less ability to silently hold gas in social situations
- Gas passing during physical movement — bending, walking, exercising
- Needing to be near a toilet slightly sooner than before when the urge arises
- Very occasionally, a small amount of mucus on underwear
For the majority, these changes are temporary. They improve steadily over weeks to months as the body adapts to the new sphincter tone. Many people report that by three to six months, they cannot identify any difference from before surgery.
People who experienced no changes
A significant number of people report no continence changes whatsoever. They woke up from surgery, healed, and noticed nothing different about their control. These accounts are less visible in forums because people who have no problems are less likely to post about it.
The smaller number with more significant issues
A small number of people describe changes that are more noticeable or that persist longer. These might include occasional minor soiling, difficulty distinguishing between gas and stool, or a persistent sense of reduced control that takes many months to improve. These experiences are real and valid. They are also uncommon.
For people in this group, the path typically involves time, pelvic floor exercises, and ongoing communication with their surgeon. Most see meaningful improvement over six to twelve months.
The emotional dimension
What makes continence changes particularly difficult is not the physical reality — which is usually minor — but what it represents. Bodily control is deeply connected to dignity, independence, and identity. Even temporary, minor changes can feel frightening and isolating.
People describe feeling embarrassed, anxious in social situations, and reluctant to talk about what they are experiencing. The silence compounds the distress. Knowing that others have been through the same thing — and that it resolved — is consistently described as one of the most helpful things.