Short answers to common questions.

The pattern of symptoms differs. A fissure tends to cause sharp, knife-like pain during and after bowel movements, with bright red blood. A fistula is more typically a small opening near the anus that drains pus or blood, sometimes with throbbing pain or recurrent abscesses. The most reliable way to know is a clinical examination — a brief, undignified-feeling but important visit that often gives a clear answer in minutes.

Most acute fissures heal within 4–6 weeks with consistent conservative care: fibre, fluids, sitz baths, and (when prescribed) topical relaxants. Beyond 6–8 weeks without healing, it's considered chronic and usually needs a step up in treatment.

Rarely. The tract is lined with epithelialised tissue and stays connected to bacterial gut contents, so spontaneous healing is uncommon. Some Crohn's-related fistulas can quiet down on biological therapy without a definitive operation, but most adults with a typical cryptoglandular fistula will need surgery for closure.

Modern anorectal surgery, performed by an experienced colorectal surgeon, has a low rate of significant incontinence. Minor changes — flatus or occasional staining — are reported in a small percentage and are usually mild. Risk varies by procedure: techniques that divide more sphincter carry more risk; sphincter-preserving techniques carry less but may have higher recurrence. A pre-operative conversation about your anatomy, baseline continence, and the specific procedure planned is the most important part of the decision.

Yes. Warm water relaxes the sphincter, soothes inflamed tissue, and improves blood flow to the area — all of which directly support healing. Ten to fifteen minutes, two or three times a day, especially after bowel movements. A simple plastic sitz-bath bowl that fits over a toilet works well; you don't need a full bathtub.

Diet is necessary but rarely sufficient on its own for chronic disease. For acute fissures, dietary change can be transformative. For chronic fissures and fistulas, diet supports treatment but doesn't replace it. Regular fibre intake, adequate water, and avoiding trigger foods (highly spiced foods may aggravate the area in some people) all help, but the underlying problem usually needs targeted treatment alongside.

Small amounts of bright red blood with a fissure are common and rarely dangerous in themselves. But heavy bleeding, dark blood, persistent bleeding, or any bleeding alongside changes in bowel habits, weight loss, or unexplained anaemia warrants prompt medical evaluation. New rectal bleeding in someone over 40 should always be assessed by a clinician — not because it usually means something serious, but because cancer screening matters.

For fissures, recurrence after sphincterotomy is uncommon if bowel habits remain healthy. For fistulas, recurrence is more common, particularly with complex tracts or underlying conditions like Crohn's disease. Pre-operative imaging, an experienced surgeon, and post-operative attention to bowel habits and any underlying disease all reduce the risk. If you've had a recurrence, ask about further imaging, a referral to a fistula-focused specialist, or a different surgical approach.

Walking is encouraged from day one. Cycling, lifting, and high-impact exercise should wait until your surgeon clears you — usually 2–4 weeks for fissures, longer for some fistula procedures. Listen to the body: pain that is increasing rather than decreasing is a sign to slow down.

You're allowed to ask for a referral to a colorectal specialist (colon and rectal surgeon). Anorectal complaints are sometimes brushed past in primary care because they "usually resolve" — and they often do, but when they don't, specialist input changes outcomes. Bring a specific timeline of your symptoms, what you've tried, and how it's affecting your life. You're not being dramatic; you're being a good advocate.

Haemorrhoids, fissures, and fistulas are different conditions, but they share risk factors (constipation, straining, prolonged sitting) and can coexist. A clinician can usually distinguish them on examination. Self-diagnosing as "just haemorrhoids" is a common reason people delay getting appropriate treatment.

Yes — and it's also worth treating. Chronic anorectal pain is strongly associated with anxiety and low mood, partly because of the pain itself and partly because of the isolation and embarrassment around the topic. Treating the medical condition often helps; talking therapies, pelvic-floor physiotherapy, and connecting with others who've been through it can help further. If anxiety is interfering with your life, speak to your GP — this is a treatable layer on top of a treatable condition.