What Causes Bumps on Anus, Symptoms & How to Get Rid

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Most lumps and bumps under the skin are harmless and can be left to clear on their own. A bump on anus can, however, be annoying, painful and embarrassing. In such cases, you will need to see your doctor so that the cause of the lump can be identified and the bumps removed.

So then, what causes a bump inside, outside, near or around your anus? In this articles, we have provided some of the causes, their symptoms, and treatment. We have also provided you with some of the most effective home remedies you can use to get rid of the bumps and other symptoms such as itching, swelling and irritation.

What causes bumps on anus?

A painful or painless bump that occurs suddenly on, inside or around your anus can be a sign of an injury or an infection. The bumps are most likely to be caused by an underlying infection if the skin around your anus I red or warm when felt with your hand.

A lump or swelling can occur anywhere on your body. When occurring inside or outside the anus, or rectum, the bump can be painful, tiny, large, or itchy. Some of the symptoms of an anal bump can help in the diagnosis of what the underlying cause of the lump might be.

In male, female and children, the most likely cause of anal lumps will include the following:

1. Anal warts

Anal wart is a small pimple like bumps that occur inside and around the anus. They are a form of the genital wart and are medically known as condyloma acuminate.

Unless they grow large enough, these bumps do not cause pain or discomfort around the anus. When they grow large, they become itchy and may bleed. In most cases, these bumps might not even be noticeable.

Unprotected sex, compromised immune system, and anal intercourse increase the risk of developing anal warts. If diagnosed with this condition, treatment will often include:

  • Topical medication
  • Surgical removal for large wart around anus
  • Laser treatment, cryotherapy and electrocautery procedures may also be used to get rid of anal warts

2. Human papilloma virus bumps on anus

Bumps in the anus or around the anus can also be a sign of human papilloma virus infection. HPV is one of the most common sexually transmitted infection. HPV virus is responsible for warts on hands, feet, and genital area.

Genital warts of human papilloma virus bumps inside, outside or around the anus are often too small to be noticed. In most cases, these bump may not cause pain or itching around the anus.

Practicing safe sex is the best way to prevent human papilloma virus infection.

3. Anal cancer

A bump on anus can also be a sign of anal cancer. Though this is very rare, a bleeding bump inside, outside, near or around the anus can be the first side of anal cancer. The bleeding is often rare, other symptoms of an anal cancer bump will include the following:

  • Minor anal bleeding
  • Itchy bum hole and around anus
  • Painless lump on, in, or around anus
  • Swollen lymph glands in your groin

According to the American cancer society, most of the symptoms above are also likely to be caused by other non-cancerous (benign) condition such as anal fissures, anal warts, and hemorrhoids. For anal cancer bumps on anus, urgent diagnosis and treatment may be required.

Treatment for anal cancer bumps will include surgery, chemotherapy, and radiation therapy.

4. Yeast infection bumps on anus

Yeast infections are the other possible cause of bump on anus. Yeast infection bumps on anus are caused by an overgrowth of candida infections. The infection causes the formation of a pimple like white head bumps called pustules.

Apart from the anus, yeast infection bumps can also be seen around, mouth, vagina in females and around the groin. These bumps are often not filled with pus, they can, however, appear red and inflamed. A common symptom of yeast infection around anus will include:

  • Mild to severe itching
  • Red spots around anus
  • Swollen or inflamed bumps around anus, and inside butt crack
  • Itchy pus filled bumps in some cases

Maintaining proper hygiene may help prevent yeast infection around groin. There are some home remedies like Aloe Vera and apple cider vinegar that can help clear minor fungal infections. For severe cases, your dermatologist may prescribe oral or topical antifungal medication.

5. Hemorrhoids

Hemorrhoids also known as piles are swollen blood vessel in your anus and lower rectum. In most cases, the cause of the swelling is unknown, common causes are however believed to be straining during child birth and during bowel movements.

Hemorrhoids are very common when occurring inside the rectum, they are known as internal hemorrhoids whereas when occurring outside rectum, they are called external hemorrhoids. They are considered harmless but can be very painful and annoying.

Some time, internal and external hemorrhoid show no symptoms, when they do, symptoms will include the following:

  • Blood stain in stool
  • Painless bleeding during bowel movements
  • Severe itching around anus
  • Painful swelling around anus

When the cause of the bump on anus is hemorrhoid proper treatment may be required of the piles take long to clear. When left untreated for long, hemorrhoid may lead to complications such as anemia, and strangulated hemorrhoid, this occurs when supply of blood to the piles is cut off, this can be a cause for extreme pain.

Hemorrhoids can be prevented by:

  • Increasing your fiber consumption
  • Drinking plenty of water to prevent dehydration and straining during bowel movement
  • Regular exercises to prevent constipation and reduce pressure to the veins especially during bowel movements.

6. Perianal hematoma

Perianal hematoma, anal vein thrombosis or external hemorrhoidal thrombosis hematoma (a localized collection of blood outside the blood vessel) due to disease of an injury or trauma. This bump can be located in, or on the border of the anus.

A perianal hematoma is sometimes simply referred to as external hemorrhoid. Unlike hemorrhoids, a perianal hematoma is caused by the rupture of the small veins that drain blood from the anus. After a rupture, blood quickly pools to form a blood clot.

The bump can cause severe pain as the rupture expand due to pressure.

7. Molluscum contagiosum

MC is a common viral infection of the skin. It is very contagious and affects both children and adults. The infection is highly contagious and can spread from one person to another by sharing clothes or touching infected surfaces.

According to the national health services, the condition is said to be harmless and will often get better within a few months without treatment.

Most common symptoms of molluscum contagiosum are the presences of small, firm raised spots on skin with a small dimple in the middle. The bumps develop in cluster and can be spread across different parts of the body.

8. Genital herpes blisters around anus

Genital herpes caused by the herpes simplex virus type 2, can also be the underlying cause of the itchy and painful bump on anus.

When the cause of the bumps or a pimple around anus is genital herpes, you are likely to observe the following symptoms:

  • Sensitive and severe itching around anus and your groin
  • Clustered bums around anus
  • Painful bumps occurring on the surface of your skin
  • Fluid filled bumps that break to form scabs around anus

9. Anal skin tags

Also called a rectal skin tag, anal skin tags are harmless growths that hung off the skin around the outside of anus. These growths are often n mistaken for warts and hemorrhoids.

anal skin tag

Anal skin tags are not contagious, they can for as a result of an inflammation, a lesion, injury or as a result of the skin being left out when treating hemorrhoids.

This growth is not often a cause for medical concern, they may, however, cause problems in maintaining good proper hygiene especially after a bowel movement.

When they grow too large, treatment may involve surgical removal, burning or freezing therapy. After removing the anal skin tag, after care may involve the use of laxative, painkillers and a sitz bath to soothe and relieve pain and irritation around the anus.

10. Hidradenitis suppurativa

According to Mayo clinic, hidradenitis supportive is a rare, long term skin condition characterized with small painful lumps under the skin. These bumps are common n area of the skin where the skin rubs together. They can be seen in the armpits, groin, between buttocks, and under breast in females.

11. Rectal prolapse

A rectal prolapse occurs when a part of the large intestine lower section (rectum) slips outside the anus. This condition can cause fecal incontinence where one is unable to control his or her bowel movements.

Surgery is often required to correct rectal prolapse, in some case, the condition can be treated with stool softeners, suppositories, and other drugs.

Also Read: 

Pimple near anus, Bump near anus 

Bumps, lumps, spots, and pimple near anus can be caused by different conditions. Some cause is minor and harmless whereas other cause might be painful, contagious and life threatening as such, urgent medical treatment may be required to treat the cause and manage the symptoms to prevent complications.

A pimple near anus can be any of the following bumps:

1. Dermoid cyst

A dermoid cyst is common in genital and perianal area in adults. In children, a dermoid cyst is more likely to be seen in the head and around the neck. A large percentage of these bumps are present at birth. These bumps are common in female than in men.

2. Sebaceous cyst near anus

The bumps near anus can also be a sebaceous cyst, caused by the clogging of the hair follicles around anus. A sebaceous cyst is used to refer to epidermoid cyst that originates from the epidermis, and pilar cyst that originates from the hair follicles.

Sebaceous cyst near anus can be caused by:

  • Swollen hair follicles
  • Blocked sebaceous glands
  • High levels of testosterone
  • Use of androgenic anabolic steroids

3. Anal warts

Anal warts are a small pimple like bumps that can occur inside and around the anus. These bumps are harmless and often painless. They can, however, grow large to become itchy, irritating and painful.

4. Anal abscess

An anorectal abscess is a painful fluid filled bumps caused by an infection of the anal sinuses. Most causes of anal abscess are sad to be sporadic, diabetes mellitus, Crohn’s disease, and chronic corticosteroid treatment are said to increase the risk of developing this abscess.

When the bump near anus is an anal abscess, you are likely to have the following symptoms:

  • Dull, aching and throbbing
  • Constipation
  • Rectum drainage
  • Pain during bowel movement

Lump inside anus

A lump can occur anywhere on your body. It can occur outside, on, around or inside anus. Apart from the location of the bump on anus, the size, color, and symptoms of the bumps may help in the diagnosis of what the underlying cause of the bump might be.

A lump inside anus is most likely to be a sign of:

Internal hemorrhoids

Internal hemorrhoids or pile occur inside the rectum. They can often be shown by painless, bright red rectal bleeding, especially during bowel movement. Other symptoms may include:

  • Severe itching inside anus
  • Fecal incontinence
  • Mucous discharge

 Anal polyps

rectal polyp

Anal or colon polyp is a small clump of cells that forms on the lining of the colon. Most of these clumps are considered harmless, however, when left untreated for long, complication may include colon cancer.

Older people above 50 years, obese, overweight and those who smoke a lot are at high chances of developing colon polyps.


Skin tag in anus

Though skin tags often develop outside anus, they can also cause a lump inside anus when they develop inside rectum. These lumps are harmless and are often mistaken for warts and hemorrhoids.

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Symptoms of bump on anus

The symptoms accompanying a bump on anus will often vary depending on what the underlying cause of the bump is. A bump on anus can show the following symptoms:

1. Lump next to anus

A lump next to anus is likely to be a sign of an anal skin tag or hemorrhoid. Such bumps can be large, small, painful or painless.

In most cases, a lump next to anus is often harmless and will in most cases clear without treatment. If this fails to happen, have your dermatologist examine it as soon as possible.

2. Red bumps around anus


A red bump around anus is likely to be a sign of hemorrhoids. Also known as piles, this is painless swelling of the blood vessel around anus, the swelling can occur inside rectum or outside rectum, they are these swelling are considered harmless and will in most cases clear on their own.

Red bumps can also be a sign or genital psoriasis. Psoriasis around anus will often appear to be red, no-scaly, itchy, and sore. The bump can be itchy and very painful.

3. White bumps on anus

A white bump on anus can is most likely to be a cyst. A cyst is a closed sac with a distinct membrane. Around anus, the white bump can be a sebaceous cyst, dermoid cyst, pilar cyst or epidermoid cyst.

Small white bumps on anus can also be a sign of genital warts caused by herpes simplex virus type 2. This is highly contagious viral infection that can spread from one person to the other through sexual intercourse and close physical contact.

4. Painful lump near anus

Painful lump near anus is like to be a sign of anal herpes. Anal herpes is a viral infection that causes eruption of sore or blisters around the anus. Just like anal warts, anal herpes bumps are caused by herpes simplex virus.

Ana herpes bumps will have the following symptoms:

  • Red or white painful blisters around anus
  • Bump around anus that ruptures or bleed
  • Pain and itching around anus

5. Lump near anus not painful

Most bumps near anus are usually painless and harmless. The most common painless bump near, around or inside anus are caused by hemorrhoids and anal skin tags.

The other painless lump near anus is likely to be an ingrown hair bump. An ingrown hair is common in people with natural coarse and curly hair. Ingrown hair bumps occur when hair strand curl and grow back into the skin. Poor hygiene around the anus causes your hair follicles to block thus forming an ingrown hair bump.

6. Itchy bumps near anus

Itchy bump near anus can be caused by Poor hygiene, seborrheic dermatitis, hemorrhoids, dry skin or eating spicy foods. The itching can also be a sign of a viral or bacterial infection.

Itchy bumps near anus can be annoying, and embarrassing especially when in public. Itchy anus can be prevented by reducing deodorants, keeping your anal area clean and avoid scratching the affected area.

Some over the counter topical ointment and some natural remedies like Aloe Vera gel can help manage and soothe the itch.

See Also:

How to get rid of bump, lump, pimple, and cyst on anus

Medical diagnosis and treatment are required for lump, bump, pimple, and cyst on anus. For large bumps surgical procedures may be required to get rid of the bumps, in other cases, treating the underlying cause may be what you need to get rid of the spots. Antibiotic and antifungal creams and pill can be used for bacterial and fungal infection respectively.

1. A warm compress to soothe swollen bumps around anus

A simple warm compress around the anus can be a great way to soothe and relieve painful swollen bumps around anus. This can be used on hemorrhoids, anal abscess, and other bumps on anus.

sitz bath

2. Antiseptic creams to get rid of cyst on anus

Topical antiseptic will help kill viral and bacterial infection caused by poor hygiene around anus. This is common for yeast infection bumps, and anal skin tags. Antiseptics will help keep your skin clean thus speeding up the healing of such infections

3. Aloe Vera to relieve itchy bump on anus

Aloe Vera gel is a natural antiseptic, antibacterial and anti-inflammatory remedy. Applying aloe Vera gel on a bump on anus will help soothe the itching and relieve the swelling especially for hemorrhoids and anal warts.

4. Get rid of bump on anus with Tea tree oil

At home, you can also use tea tree oil to get rid of painful, itchy and swollen lump on anus. Tea oil is said to be a great antiseptic and antifungal remedy. When used on skin it can help soothe the itching, reduce swelling of a bump on anus and help clean fungal infection.

If you have a sensitive skin, make sure to dilute the tea oil before applying it on skin.

Sources and More on this topic:

  1. What are anal warts:
  2. Causes and treatment for itchy rectum and anus:
  3. Bumps that aren’t herpes:
  4. American College of Gastroenterology, hemorrhoids and other anal disorders:
  5. The National Health Services, lumps, and swelling:
  6. Internal and external hemorrhoids:

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