Severe hemorrhoids typically appear as swollen, dark-colored lumps of tissue in or around the anus. Their exact appearance depends on the type: external hemorrhoids with blood clots look like firm blue-purple bumps, while advanced internal hemorrhoids appear as soft, reddish-pink tissue that bulges or hangs outside the anal opening. Knowing what you’re looking at can help you gauge how serious the situation is and whether you need medical attention.
Thrombosed External Hemorrhoids
The most visually striking type of severe hemorrhoid is a thrombosed external hemorrhoid, which forms when a blood clot develops inside a swollen vein just outside the anus. You’ll typically see a blue-purple or dark blue lump near the anal opening. It’s firm to the touch, often about the size of a grape or marble, and the skin over it looks taut and shiny from the swelling underneath.
The color comes from the trapped, deoxygenated blood pooled inside the clot. These lumps can appear suddenly, sometimes within hours, and they’re usually quite painful. The surrounding skin may look red, irritated, or slightly swollen beyond the lump itself. In some cases, the skin over the clot can break open on its own, releasing dark blood and providing some pressure relief, though this can look alarming.
Prolapsed Internal Hemorrhoids
Internal hemorrhoids sit inside the rectum and aren’t visible in their early stages. When they become severe, they push through the anal opening, a condition called prolapse. What you see is soft, moist, pinkish-red tissue protruding from the anus. It often looks like one or several irregular, rounded lumps rather than a smooth, uniform shape.
The severity of prolapse follows a grading system that describes how the tissue behaves:
- Grade III: The tissue bulges out when you strain (during a bowel movement, for example) but doesn’t retract on its own. You can push it back inside with your fingers.
- Grade IV: The tissue is permanently protruding and cannot be pushed back in at all.
Grade IV hemorrhoids are the most severe form. Because the tissue is constantly exposed, it often looks darker, more swollen, and irritated than tissue that only prolapses temporarily. Over time, chronic inflammation can cause the surface to appear thickened or discolored. The exposed tissue may produce mucus, leading to persistent moisture and skin irritation in the surrounding area.
Strangulated Hemorrhoids
When a prolapsed internal hemorrhoid gets trapped outside the anus and the surrounding muscles cut off its blood supply, it becomes strangulated. This is the most serious-looking presentation. The tissue turns from pink to deep purple or nearly black as it loses circulation. It’s intensely swollen, hard, and extremely painful.
Without blood flow, the tissue can begin to die. At that stage, the surface may look dusky, feel unusually firm, or develop areas that appear darker than the rest. Strangulated hemorrhoids are a medical emergency and typically require surgical removal. If you see tissue that looks dark purple to black and the pain is severe and constant, that warrants urgent care.
How Severe Hemorrhoids Differ From Other Conditions
What looks like a severe hemorrhoid isn’t always one. Rectal prolapse, where part of the rectum itself slides out, can resemble prolapsed hemorrhoids but has a distinct appearance. Prolapsed hemorrhoids look like short, irregular lumps of tissue. Rectal prolapse, by contrast, appears as a longer, uniformly rounded cylinder of tissue with circular, ring-like folds running around it, rather than the radial folds you’d see with hemorrhoids.
Anal skin tags are another common source of confusion. These are small, soft flaps of excess skin around the anus that often form after a thrombosed hemorrhoid heals. Once the clot resolves and the swelling goes down, the stretched skin doesn’t always shrink back. Unlike active hemorrhoids, skin tags are typically skin-colored, painless, and soft rather than swollen or discolored. They don’t bleed on their own.
Rectal bleeding deserves special attention. While hemorrhoids are the most common cause of blood on toilet paper or in the bowl, don’t assume that’s the source. Changes in bowel habits, shifts in stool color or consistency, or bleeding that doesn’t improve within a week of home care all justify a medical evaluation to rule out other conditions, including colorectal cancer.
When Surgery Becomes the Treatment
Most mild to moderate hemorrhoids respond to conservative measures: fiber, hydration, sitz baths, and topical treatments. Severe hemorrhoids are a different situation. Surgical removal (hemorrhoidectomy) is generally recommended for symptomatic grade III and grade IV hemorrhoids, strangulated internal hemorrhoids, and some thrombosed external hemorrhoids that don’t resolve on their own.
A stapled procedure is sometimes used for grade III and IV hemorrhoids, particularly when less invasive options have already been tried without success. Recovery from hemorrhoid surgery typically involves one to three weeks of discomfort, with most people returning to normal activities within that window. The goal is to remove the problematic tissue entirely, which makes recurrence less likely than with office-based procedures like banding.
What Heavy Bleeding Looks Like
Severe hemorrhoids can bleed significantly, and the appearance of that bleeding matters. Hemorrhoid blood is typically bright red because it comes from veins very close to the surface. You might see it on toilet paper, dripping into the bowl, or coating the outside of stool. Small amounts of bright red blood after straining are common with hemorrhoids of any grade.
Large amounts of rectal bleeding, blood that looks dark or tarry, or bleeding accompanied by lightheadedness, dizziness, or faintness requires emergency medical attention. These signs can indicate either a hemorrhoid that’s bleeding heavily enough to affect your blood volume or a different, more serious source of bleeding altogether.