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Itching of the anus

Also known as Pruritis Ani, Anal Itching, Rectal Itch, Itching Rectal, and Perianal Pruritus

Pruritus ani (also known as anusitis) is the irritation of the skin at the exit of the rectum, known as the anus, causing the desire to scratch. The intensity of anal itching increases from moisture, pressure, and rubbing caused by clothing and sitting. At worst, anal itching causes intolerable discomfort that often is accompanied by burning and soreness. It is estimated that up to 5% of the population of the United States experiences this type of discomfort daily.

Source: Wikipedia

What causes it?

The most common causes of itching of the anus are hemorrhoids, pinworm infection, and rectal disorder. Other possible causes, such as vaginitis, are more rare.


What might my doctor prescribe?

Common Tests and Procedures

Patients with itching of the anus often receive rectal examination, complete physical skin exam performed (ml), other diagnostic procedures (interview; evaluation; consultation), other non-or therapeutic procedures; female organs, other diagnostic procedures on skin and subcutaneous tissue and sigmoidoscopy or colonoscopy .

Common Medications

The most commonly prescribed drugs for patients with itching of the anus include mebendazole, hydrocortisone topical, fluconazole (diflucan), psyllium, bisacodyl (the magic bullet), erythromycin, estrogens, conjugated (usp) (premarin), green tea extract (green tea), hydroxocobalamin, magaldrate, trichloroacetic acid topical, isradipine and mineral oil (stye) .

Who is at risk?

Groups of people at highest risk for itching of the anus include age 30-44 years, race/ethnicity = hispanic, sex == male and age 5-14 years. On the other hand, age < 1 years almost never get itching of the anus.

Age

< 1 years
0.0x
1-4 years
1.4x
5-14 years
1.6x
15-29 years
0.3x
30-44 years
1.6x
45-59 years
1.2x
60-74 years
0.7x
75+ years
0.8x

Sex

Male
1.6x
Female
0.5x

Race/Ethnicity

Black
0.9x
Hispanic
1.8x
White
0.9x
Other
0.3x
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