External hemorrhoids appear as soft, fleshy lumps around the anal opening, ranging from small pea-sized bumps to larger grape-sized swellings. Their exact look depends heavily on whether a blood clot has formed inside them, how long they have been present, and whether what you are seeing is actually a true external hemorrhoid or a prolapsed internal one that has pushed through. The difference matters more than most people realize, because each type calls for different treatment and carries different risks.
External Hemorrhoids Without a Blood Clot
When there is no clot involved, an external hemorrhoid tends to look less alarming than you might expect. It usually appears as a soft, rubbery bulge just at or slightly outside the anal margin. The color is often close to the surrounding skin tone, sometimes a little darker or slightly pink. The surface texture is smooth and skin-covered, because true external hemorrhoids sit below the dentate line and are covered by the same type of skin as the rest of the perianal area, not the moist mucosa you would find inside the rectum.
These non-thrombosed external hemorrhoids can be hard to distinguish from normal anal anatomy, especially if they are small. The anal canal naturally has folds and ridges, and a mild external hemorrhoid may simply feel like a slightly puffy area. You might notice it only when cleaning after a bowel movement or when it causes mild itching. In many cases, the primary clue is tactile rather than visual: the area feels fuller or slightly tender, but a mirror reveals nothing dramatic.
Thrombosed External Hemorrhoids
The appearance changes sharply when a blood clot forms. A thrombosed external hemorrhoid is the version most people picture when they think of hemorrhoids, and it is usually the reason someone starts searching for images. It appears as a firm, round or oval lump at the anal margin, typically between the size of a pea and a small grape. The defining visual feature is a deep blue, purple, or dark maroon color showing through the overlying skin. The clot inside gives it a tense, almost shiny look, and the surrounding skin is often swollen and stretched tight.
Pain is usually severe and peaks within the first 48 to 72 hours. After that window, the clot gradually breaks down and the body reabsorbs it over one to three weeks. During this resolution phase, the lump softens, the color fades from dark purple to brownish or yellowish, and the swelling slowly deflates. What it leaves behind can be a deflated pouch of stretched skin, which brings us to another common appearance around the anus.
Residual Skin Tags
Many people who look at their perianal area and think they are seeing hemorrhoids are actually seeing skin tags left behind by previous episodes. These tags are floppy, painless flaps of skin that hang from the anal margin. They form when the skin that stretched over a thrombosed hemorrhoid does not fully retract after the clot resolves. Chronic inflammation and repeated swelling degrade the connective tissue in the perianal skin over time, making these tags progressively more prominent. One clinical paper noted that skin tags are extremely common in people with advanced hemorrhoidal disease and can sometimes be more bothersome than the hemorrhoids themselves, causing discomfort and making hygiene difficult.1PubMed Central. A New Classification for Hemorrhoidal Disease: The Creation of the “BPRST” Staging and Its Application in Clinical Practice
Skin tags are not dangerous. They do not bleed, they do not contain clots, and they do not progress into something worse. But they can trap moisture and small amounts of stool, which leads to itching, irritation, and a persistent feeling of incomplete cleaning. Visually, they are soft, skin-colored or slightly darker, and irregular in shape. They differ from active hemorrhoids in that they are completely painless to the touch and do not change in size day to day.
Prolapsed Internal Hemorrhoids
Here is where appearances get confusing. Internal hemorrhoids originate above the dentate line and are covered by moist, pink-to-red mucosa rather than skin. When they enlarge enough, they can bulge out through the anal opening, and at that point you are looking at tissue outside the anus that looks quite different from a true external hemorrhoid. A prolapsed internal hemorrhoid appears as a moist, reddish or dark pink mass protruding from the anus. It often has a smoother, shinier surface than the surrounding skin, and it may have visible radial folds, like grooves running lengthwise, which are a characteristic visual hallmark.2Surgical Clinics of North America. Diagnosis and management of anorectal disease frequently seen in the emergency room
The degree of prolapse matters for what you see. In milder cases, the tissue only pushes out during a bowel movement and slides back in on its own. In more advanced cases, the tissue stays outside permanently and cannot be pushed back. When the supporting structures inside the anal canal, particularly a band of muscle and connective tissue that anchors the hemorrhoid cushions, stretch and break apart, the tissue loses its ability to retract.3PubMed Central. The ligament of Parks as a key anatomical structure for safer hemorrhoidectomy: Anatomic study and a simple surgical note At that stage, you may see one or more lobes of moist tissue sitting outside the anus at all times, sometimes with mucus discharge that stains underwear.
If you are trying to figure out whether a lump outside the anus is a prolapsed internal hemorrhoid or a true external one, the surface is the biggest clue. Skin-covered and firm usually means external. Moist, mucosa-covered, and soft usually means prolapsed internal. The distinction is clinically important because the two types respond to different treatments, but it can be genuinely hard to tell the difference on your own, especially when both are present at the same time.
When the Appearance Signals an Emergency
Most hemorrhoids, even thrombosed ones, are not dangerous. But a specific situation can turn them into a medical emergency. When prolapsed internal hemorrhoids become trapped outside the anus and cannot be pushed back in, the sphincter muscle can squeeze the base of the tissue and cut off its blood supply. This is called strangulation, and the visual change is stark. The tissue goes from pink or red to a dark, dusky purple, then to black if the blood supply is fully blocked. The surface may start to break down, with visible areas of sloughing or ulceration.2Surgical Clinics of North America. Diagnosis and management of anorectal disease frequently seen in the emergency room
Strangulated hemorrhoids are excruciatingly painful and require emergency treatment to prevent progression to gangrene and serious infection. If you see dark, discolored tissue protruding from the anus that you cannot push back, accompanied by severe pain that is not improving, that is a same-day emergency room visit. This is not a “wait and see” situation. Even without full strangulation, prolapsed hemorrhoids that are trapped but not yet losing their blood supply often still need urgent care because of the pain and the risk of worsening.
Bleeding and Color Changes on the Surface
The color of a hemorrhoid’s surface carries diagnostic information beyond just whether a clot is present. When clinicians look at hemorrhoids using a magnified camera view, one of the things they evaluate is the presence of red spots or streaks on the surface, sometimes called a red-color sign. In a study using video-assisted examination, about 80% of patients who reported bleeding had this red-color sign on their hemorrhoid tissue, compared to roughly 30% of those without bleeding. Larger hemorrhoid columns also correlated with a higher chance of bleeding.4Journal of Gastroenterology and Hepatology. Videoanoscopy: useful technique in the evaluation of hemorrhoids
For you at home, this translates to a practical observation. If the tissue you can see outside the anus has visible red spots or a raw, angry-looking patch, that is the area most likely responsible for any bleeding you have noticed. Bright red blood on toilet paper or dripping into the bowl after a movement is the classic hemorrhoid bleeding pattern. Dark or maroon blood, blood mixed into the stool itself, or bleeding that does not match the visual appearance of a hemorrhoid should prompt a medical evaluation, because those patterns can indicate something else entirely.
What Else Could Be Sitting Outside the Anus
One of the real risks of self-diagnosis is assuming that any lump near the anus must be a hemorrhoid. Several other conditions produce visible lumps or protruding tissue in the same area, and some of them are far more serious.
Rectal prolapse can look remarkably similar to a ring of prolapsed hemorrhoids. In both cases, you see a mass of tissue protruding from the anus. The key visual difference is in the pattern of the folds. Prolapsed hemorrhoids typically show radial grooves, meaning the folds run outward from the center like spokes on a wheel, and the tissue tends to cluster in distinct lobes rather than forming a smooth ring. Full rectal prolapse, by contrast, shows concentric rings, circular folds stacked on top of each other, because the rectal wall itself has telescoped outward.5PubMed Central. Complete rectal prolapse vs prolapsed hemorrhoids: points to ponder This is a subtle distinction and easy to get wrong without clinical training, but it is worth knowing about because rectal prolapse requires a completely different surgical approach.
More concerning, certain malignancies in the anal and perianal region can initially look like a hemorrhoid. A case report documented an anal melanoma that was initially mistaken for hemorrhoidal disease. The lesson from that case and others like it is that any perianal mass with an unusual color, especially one that is very dark or unevenly pigmented, or any mass that does not follow the expected course of a hemorrhoid, meaning it keeps growing rather than shrinking, or it ulcerates and does not heal, warrants a biopsy rather than reassurance.6PubMed Central. Melanoma of the anus disguised as hemorrhoids: surgical management illustrated by a case report Anal melanoma is rare, but the consequences of missing it are severe.
Other look-alikes include perianal abscesses, which tend to be hot, red, and extremely tender with possible fever, and anal warts, which have a distinctive rough, cauliflower-like texture that is quite different from the smooth surface of a hemorrhoid. Anal fissures are sometimes confused with hemorrhoids too, but fissures are tears rather than lumps, though they can produce a small sentinel skin tag near the tear that someone might mistake for a hemorrhoid.
Why Self-Examination Has Real Limits
Trying to examine your own anal area with a hand mirror is awkward, the anatomy is difficult to see, and the lighting is never ideal. More fundamentally, the information you get from looking is limited. You can see surface features, but you cannot see how deep the tissue extends, whether there is an internal component, or whether the tissue’s blood supply is compromised beneath the surface. A clinician performing a digital rectal exam and anoscopy gets information that a mirror simply cannot provide.
There is also the issue of anxiety distorting judgment. A study examining knowledge, attitudes, and practices around hemorrhoidal disease found that general understanding of the condition tends to be poor, with widespread misconceptions about what hemorrhoids do and do not cause.7Dove Medical Press. The Perception and Practices of Black African Subjects Toward Hemorrhoidal Disease: The Relevant Effects of Beliefs and Misconceptions in Côte d’Ivoire, West Africa While that study focused on a specific population, the broader pattern holds: people often attribute unrelated symptoms to hemorrhoids, or conversely, ignore symptoms that actually warrant attention because they assume everything in the area is “just hemorrhoids.” If you have never had a hemorrhoid confirmed by a doctor and are trying to identify one for the first time, a clinical evaluation is worth the brief discomfort.
How Appearance Changes Over Time
Hemorrhoids are not static structures. Their appearance shifts depending on what phase they are in. A newly thrombosed external hemorrhoid at its worst looks tense, swollen, and deeply colored. Over the next week or two, as the clot dissolves, the color fades and the mass softens. By the end of a month, it may have flattened into a residual skin tag or disappeared entirely. Internal hemorrhoids that prolapse during straining may look dramatically swollen immediately after a bowel movement but appear nearly normal an hour later once they retract.
This variability is part of what makes self-assessment unreliable. Someone who examines the area during an acute flare sees something very different from what the area looks like at baseline. Photographs taken a few days apart can show striking changes. Clinicians are aware of this, which is why a proctological examination often involves asking the patient to bear down so that prolapsing tissue can be observed in its worst state rather than assessed at rest when it may appear unremarkable.
When Multiple Types Appear Together
It is common for people to have more than one thing going on at once. You might have a thrombosed external hemorrhoid on one side, a prolapsed internal hemorrhoid visible on another, and residual skin tags from previous episodes scattered around the margin. The combined picture can look chaotic and be impossible to sort out without training. One clinical classification system noted a case where a patient had both a large thrombosed external hemorrhoid and a separate history of internal hemorrhoids identified on colonoscopy, each requiring a different management approach.1PubMed Central. A New Classification for Hemorrhoidal Disease: The Creation of the “BPRST” Staging and Its Application in Clinical Practice
This mixed presentation is actually the rule rather than the exception in people who have dealt with hemorrhoids for years. The perianal area accumulates the evidence of past episodes: tags from old thromboses, redundant tissue from chronic prolapse, and active disease on top of it all. If you look and see a confusing landscape of lumps, bumps, and folds, that does not necessarily mean something serious is happening. But it does mean a professional examination is the only way to make sense of the individual components and decide which, if any, need treatment.
The Role of Straining and Position in What You See
What you see outside the anus depends heavily on when and how you look. During and immediately after straining on the toilet, the anal cushions engorge with blood and internal hemorrhoids may push outward. The tissue looks its most prominent and swollen at that moment. Once you stand up and the pressure drops, engorgement decreases, and prolapsed tissue may retract partially or fully. This is why many people notice hemorrhoids only during bowel movements and cannot find them afterward.
The internal mechanism behind this involves the muscle fibers that normally anchor the anal cushions in place. These muscle fibers extend from the rectal wall downward and act as a kind of suspensory system.8IntechOpen. Prolapsing Hemorrhoids When the system is intact, the cushions bulge during straining but spring back into position afterward. Years of straining, constipation, or prolonged sitting gradually weaken this suspensory mechanism. Once it fails, the cushions slide downward and outward, and the tissue no longer fully retracts. That is the transition point from hemorrhoids that come and go to hemorrhoids that are permanently visible outside the anus.
If you are trying to assess the situation at home, the most informative moment to look is right after a bowel movement while you are still seated or in a squatting position. That is when prolapsing tissue will be at its most visible. Checking while standing in front of a mirror an hour later may show much less, which can be falsely reassuring if the tissue has already retracted.