Anal itching (pruritus ani) definition and facts

  • Anal itchingisitchingaround the anus.
  • Examples of possible causes of analitchingincludehemorrhoids, anal fissures,pinworms(Enterobius vermicularis), spicy foods, and medications.
  • Additional symptoms associated with anal itching include burning andpainif the anal skin is traumatized by scratching.
  • The diagnosis of the cause of pruritis ani requires examination of the anus for common anal problems such ashemorrhoidsor fissures,skin conditionssuch aspsoriasisorcancer, infectious diseases such aspinwormsor yeast, and leakage ofstool.
  • Treatment of anitchyanus depends on the cause.

What is anal itching (pruritus ani)?

Picture of Anus
Picture of Anus

Anal itching (known medically as pruritus ani) is irritation of the skin at the opening of the anal canal through whichstool出口身体导致瘙痒。皮肤在rounding the opening is known as the anus. The itching is accompanied by the desire to scratch. Although itching may be a reaction to chemicals in the stool, it often implies that there is inflammation of the anal area. The intensity of anal itching and the amount of inflammation increases with the directtraumaof scratching and the presence of moisture. At its most intense, anal itching causes intolerable discomfort that often is described as burning and soreness.

Anal Itching Symptoms

Anal itching is due to irritation of the skin around the anus accompanied by a desire to scratch. The intensity of itching increases with moisture, pressure, and sitting.

Some people may experience the following related anal itching symptoms and signs:

  • Blood In Stool
  • Rectal Bleeding
  • Penile Itching

What are commoncausesof anal itching?

External hemorrhoid
External hemorrhoids are located underneath the skin that surrounds the anus and is lower than internal hemorrhoids.

  • Anitchybottom can be caused by irritating chemicals in the foods we eat, such as are found in spices, hot sauces, and peppers.
  • Anal itching also can be caused by the irritation of continuous moisture in the anus from frequent liquid stools,diarrhea, or escape of small amounts of stool (incontinenceor fecal spoilage). Moisture increases the possibility of infections of the anus, especially yeast, particularly in patients withdiabetesorHIV.
  • Treatment with antibiotics can lead to ayeast infectionand irritation of the anus.
  • Psoriasiscan irritate the anus.
  • Abnormal passageways (fistulas) from the small intestine or colon to the skin surrounding the anus can form as a result of medical conditions (such as Crohn's disease), and these fistulas bring irritating fluids to the anal area.
  • Rarely, tumors of the anus (anal cancer) may be the cause of itching.

Other problems that can cause analitchinclude:

  • Pinworms,
  • Hemorrhoids,
  • Tears of the anal skin (fissures), and
  • Skin tags(abnormal local growth of anal skin).

SLIDESHOW

How to Get Rid of Hemorrhoids: Types, Causes, and TreatmentsSee Slideshow

What are additional symptoms associated with anal itching?

Itching
At its most intense, anal itching causes intolerable discomfort that often is described as burning and soreness.

  • The intensity of anal itching and the amount of inflammation increases from the direct trauma of scratching and the presence of moisture.
  • At its most intense, anal itching causes intolerable discomfort that often is described as burning and soreness, especially during and after bowel movements.
  • There also may be small amounts of bleeding.

什么样的医生治疗肛门瘙痒吗?

Most hemorrhoid complaints begin with a trip to a family doctor.
箴ctologists specialize in surgical treatments, while gastroenterologists are experts in digestive diseases.

虽然肛门瘙痒可以评估一个家庭practice or internal medicine physician, it most often is evaluated by acolorectalsurgeon (proctologist) and sometimes by agastroenterologist.

How do medical professionals diagnose the cause of anal itching?

Anal itching is first evaluated with a careful examination of the anus for such abnormalities ashemorrhoids, anal fissures, skin tags, moisture, and excoriations (breaks in the skin from scratching).

A rectal examination with a finger inserted into the anal canal can identify rectal tumors. For a closer look at the anal canal, a proctoscope can be used. A proctoscope is a short tube that is inserted through the anus and into the rectum so that the anal canal can be examined visually If pinworms are suspected, they and their eggs can be identified using thepinworm test, a test in which the worms and eggs are recovered from the anus using transparent adhesive tape.

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What aretreatmentoptions and home remedies for anal itching?

Initial self-care for simple itching is directed toward relieving symptoms, like burning and soreness. It is important to clean and dry the anus thoroughly and avoid leaving soap in the anal area.

  • Cleaning efforts should include gentle showering without direct rubbing or irritation of the skin with either the washcloth or towel.
  • 排便后,潮湿垫(如婴儿wipes, flushable moist wipes, and flushable anal cleansing wipes) should be used for cleaning the anus instead of toilet paper.
  • If there is constant moisture present in the anus or stool incontinence, it may be necessary to clean the anus with wet wipes between bowel movements.

Manyover-the-counter(OTC) products are sold for the treatment of an itchy anus and are available as ointments, creams, gels, suppositories, foams, and pads. These products often contain the samedrugsused to treat hemorrhoids.

  • When used around the anus, ointments, creams, and gels should be applied as a thin covering.
  • When applied to the anal canal, these products should be inserted with a finger using finger cots (latex covers for the fingertips) or a "pile pipe." Pile pipes are most efficient when they have holes on the sides as well as at the end. Pile pipes should be lubricated with ointment prior to insertion.
  • Suppositories or foams do not have advantages over ointments, creams, and gels.

Most products contain more than one type of active ingredient. Almost all contain a protectant in addition to another ingredient. Only examples of brand-name products containing one ingredient in addition to the protectant are discussed in this article.

QUESTION

Bowel regularity means a bowel movement every day.See Answer

Local anesthetics

Local anesthetics temporarily relievepain, burning, and itching by numbing the nerve endings. The use of these products should be limited to the perianal area and lower anal canal. Local anesthetics can causeallergic再保险actions with burning and itching. Therefore, the application of anesthetics should be discontinued if burning and itching increase.

Examples of local anesthetics include:

  • benzocaine 5% to 20% (AmericaineHemorrhoidal, Lanacane Maximum Strength, Medicone)
  • benzylalcohol(Itch-X) 5% to 20%
  • dibucaine 0.25% to 1.0% (Nupercainal)
  • dyclonine 0.5% to 1.0%
  • lidocaine(Xylocaine) 2% to 5%
  • pramoxine1.0% (Fleet Pain-Relief, Procto Foam Non-steroid, Tronothane Hydrochloride)
  • tetracaine 0.5% to 5.0%

Vasoconstrictors

Vasoconstrictors are chemicals such as epinephrine, a naturally occurring chemical. Applied to the anus, vasoconstrictors make the blood vessels become smaller, which may reduce swelling. They also may reduce symptoms due to their mild anesthetic effect.

Vasoconstrictors applied to the perianal area -- unlike vasoconstrictors given by injection -- have a low likelihood of causing serious side effects, such ashigh blood pressure, nervousness,tremor,sleeplessness, and aggravation ofdiabetesorhyperthyroidism.

Examples of vasoconstrictors include:

  • ephedrinesulfate 0.1% to 1.25%
  • epinephrine 0.005% to 0.01%
  • phenylephrine 0.25% (Medicone Suppository,Preparation H, Rectocaine)

箴tectants

箴tectants prevent irritation of the perianal area by forming a physical barrier on the skin that prevents contact of the irritated skin with aggravating liquid or stool from the rectum. This barrier reduces irritation, itching, pain, and burning. There are many products that are themselves protectants or that contain a protectant in addition to other medications.

Examples of protectants include:

  • aluminum hydroxide gel
  • cocoa butter
  • glycerin
  • kaolin
  • lanolin
  • mineral oil (Balneol)
  • white petrolatum
  • starch
  • zinc oxide (Desitin) or calamine (which contains zinc oxide) in concentrations of up to 25%
  • codliveroil or shark liver oil if the amount ofvitamin Ais 10,000 USP units/day.

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Astringents

Astringents cause coagulation (clumping) of proteins in the cells of the perianal skin or the lining of the anal canal. This action promotes dryness of the skin, which in turn helps relieve burning, itching, and pain.

Examples of astringents include:

  • calamine 5% to 25%
  • zinc oxide 5% to 25% (Calmol 4, Nupercainal,Tronolane)
  • 金缕梅10% to 50% (Fleet Medicated,Tucks, Witch Hazel Hemorrhoidal Pads)

Antiseptics

Antiseptics inhibit the growth of bacteria and other organisms. However, it is unclear whether antiseptics are any more effective than soap and water.

Examples of antiseptics include:

  • boric acid
  • phenol
  • benzalkonium chloride
  • cetylpyridinium chloride
  • benzethonium chloride
  • 再保险sorcinol

Keratolytics

Keratolytics are chemicals that cause the outer layers of skin or other tissues to disintegrate. The rationale for their use is that the disintegration allows medications that are applied to the anus and perianal area to penetrate the deeper tissues.

The two approved keratolytic used are:

  • aluminum chlorhydroxy allantoinate (alcloxa) 0.2% to 2.0%
  • 再保险sorcinol 1% to 3%

Analgesics

Analgesic products, like anesthetic products, relieve pain, itching, and burning by depressing receptors on pain nerves.

Examples of analgesics include:

  • menthol 0.1% to 1.0% (greater than 1.0% is not recommended) (Calmoseptine)
  • camphor 0.1% to 3% (greater than 3% is not recommended)
  • juniper tar 1% to 5%

Corticosteroids

Corticosteroids再保险duce inflammation and can relieve itching, but their chronic use can cause permanent damage to the skin. They should not be used for more than short periods of a few days to two weeks. Only products with weakcorticosteroideffects are available over-the-counter. Stronger corticosteroid products that are available by prescription should not be used for treating anal itching.

How to stop vaginal itching and burning

Itching and Burning
5 Common causes of feminine itching are bacterial vaginosis, yeast infections, and more.

Medical Author: Karthik Kumar, MBBS

Medical Reviewer: Shaziya Allarakha, MD

Treating feminine orvaginal itchingor burning depends on the cause of the symptoms.

  • Foryeast infection, the patient may need an antifungal cream or a pill to alleviate the symptoms. A gynecologist can often prescribe oral medication to get rid of the yeast. An over-the-counter cream is sometimes also effective when trying to eliminate yeast infection.
  • Bacterial vaginosisis remedied by creating a balanced level between the good and bad bacteria in your vagina. Antibiotics will remedy this infection along with reintroducing healthy bacteria into the system. Some women take naturalsupplementsthat includeprobioticsto help them feel better.Flagyl(metronidazoletablet),MetroGel(metronidazole gel), orCleocin(clindamycincream) may be prescribed.
  • If chemical irritants are the cause of the discomfort, stop using scented soaps and feminine sprays, and avoid harsh laundry detergents. Patients should discontinuedouchingand wearing underwear made of synthetic materials. Allow the vagina to breathe, and wear panties made of natural fibers. Because the side effects ofmenopausecontribute to vaginal discomfort, the patient may wish to use a lubricant to soothe the itchiness.

A gynecologist may also prescribe

普通家庭的补救措施:

  • Taking a bath with baking soda may help to treat yeast infections and reduce skin irritation. It has antifungal properties, which can kill irritation causing bacteria. Put one-fourth cup of baking soda in the bath or make a paste and apply it on the skin and wash after a few minutes.
  • Apple cider vinegar (ACV) may also help to soothe an infection. ACV has antifungal and antibacterial properties, which prevent the growth of bacteria. Put half a cup of ACV in water and take a bath with it for relief.
  • Coconut oil can help manage yeast infections. Take a few drops of coconut oil on your fingers and rub them properly on your skin.
  • Eating food items containingprobioticspromotes the growth of healthy bacteria and can help to get rid of nasty infections.箴bioticfoods are good for your vagina and gut. When suffering from vaginal issues, include kombucha, kimchi, and yogurt in yourdiet.
  • Some essential oils are also effective in treating infection. Tea tree and oregano oils are the two most effective oils that you can use for an itchy vagina. Their antifungal properties can kill a range of yeasts and fungi. Applying essential oils directly can irritate the vaginal skin. You may mix a few drops of the essential oil in other oils, such as coconut oil, before applying.
  • Placing acoldcompress, such as a washcloth, on the labial area can help with discomfort.
  • Take a sitz bath with water covering the genital and rectal areas.

What are the common causes of feminine itching and burning?

The following are the common causes of feminine itching:

  • Bacterial vaginosis:It results from excessive growth of bacteria that are normally present in the vagina. The symptoms of bacterial vaginosis include a thin, white, gray, or green discharge and a burning sensation during urination. There is also a fishy smell that exudes from the vagina that gets stronger after sex.
  • Yeast infections:They are common among women and are caused by candida fungus. This fungus is naturally present in the vagina, but when it grows out of control, it becomes a painful infection. The symptoms of a yeast infection include a thick, white, odorless discharge that looks like cottage cheese. The vagina and vulva become swollen, red, and extremely irritated, and itchy. The patient may experience pain during sex,frequent urination, and burning when they pee.
  • Chemical irritants:Chemical irritants may irritate the vagina and cause itching and burning because of their toxic ingredients. To avoid vaginal itching, we should refrain from using odorized toiletries. Women may also wear cotton panties, avoid douching and avoid wiping front to back after urination to avoid vaginal irritation.
  • Menopause:When a woman reaches menopause, the hormones in her body drastically change. The drop in estrogen levels can createvaginal dryness. This change in chemistry makes the vaginal walls thin and dry. The reduction in tissue causes the vagina to become itchy and irritated. To decrease these uncomfortable symptoms, a physician may prescribe estrogen tablets, creams, or ring inserts.
  • Common hormone or pH imbalances:The body goes through hormonal changes during a month. When the body goes through these changes, estrogen and pH levels are knocked off balance and can contribute to vaginal itchiness and dryness.

What if anal itching persists?

For persistent anal itching, efforts are directed toward identifying an underlying cause. An examination by a doctor can rapidly identify most causes of anal itching. Adjustments indiet, treatment of infections, or surgical procedures to correct the underlying cause may be required.

IMAGES

Anal ItchingSee a medical illustration of the anus plus our entire medical gallery of human anatomy and physiologySee Images

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Medically Reviewed on3/7/2022
References
REFERENCE:

Breen, E. "Approach to the patient with anal pruritus" UpToDate. Sept. 12, 2018. .

All About Women. What Causes Vaginal Itching? https://www.allaboutwomenmd.com/knowledge-center/vaginal-itching-causes.html

WebMD. Vaginal Itching, Burning, and Irritation. https://www.webmd.com/women/guide/vaginal-itching-burning-irritation#1
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