Anal Itching Glossary of Medical Terms

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These are medical definitions of medical terms from the MedTerms.com medical dictionary that appear in the Anal Itching article.

Allergic reaction: The hypersensitive response of the immune system of an allergic individual to a substance.
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Anal fissure: Common tear in the anal canal. Anal fissure is a common cause of red blood in the stool.
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Anal itching : Irritation of the skin around the anus accompanied by a desire to scratch. The intensity of itching increases with moisture, pressure, and sitting. At its most intense, anal itching causes intolerable discomfort described as burning and soreness. Treatment is to shower gently without directly rubbing or irritating the skin, clean and dry the anus thoroughly, and use moist pads rather than toilet paper after bowel movements. Local application of cortisone cream may help.
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Antibiotic: A drug used to treat infections caused by bacteria and other microorganisms. Originally, an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another. Synthetic antibiotics, usually chemically related to natural antibiotics, have since been produced that accomplish comparable tasks.
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Anus: The opening of the rectum to the outside of the body.
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Bacterial: Of or pertaining to bacteria . For example, a bacterial lung infection .
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Bowel: Another name for the intestine . The small bowel and the large bowel are the small intestine and large intestine , respectively.
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Caffeine: A stimulant found naturally in coffee beans, tea leaves, cocoa beans (chocolate) and kola nuts (cola) and added to soft drinks, foods, and medicines. A cup of coffee has 100-250 milligrams of caffeine. Black tea brewed for 4 minutes has 40-100 milligrams. Green tea has one-third as much caffeine as black tea.
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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread).
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Chronic: This important term in medicine comes from the Greek chronos, time and means lasting a long time.
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Colorectal: Related to the colon and/or rectum.
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Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus . Diabetes mellitus and diabetes insipidus share the name "diabetes" because they are both conditions characterized by excessive urination (polyuria).
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Diarrhea : A familiar phenomenon with unusually frequent or unusually liquid bowel movements, excessive watery evacuations of fecal material. The opposite of constipation . The word "diarrhea" with its odd spelling is a near steal from the Greek "diarrhoia" meaning "a flowing through." Plato and Aristotle may have had diarrhoia while today we have diarrhea. There are myriad infectious and noninfectious causes of diarrhea.
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Discharge: 1.The flow of fluid from part of the body, such as from the nose or vagina.
2. The passing of an action potential, such as through a nerve or muscle fiber .
3. The release of a patient from a course of care. The doctor may then dictate a discharge summary.
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Dry skin: Abnormally dry skin . Can be caused by a dry climate, winter weather, deficiency of vitamin A , systemic illness, overexposure to sunlight, or medication . The skin loses moisture. It may crack and peel. Or it may become irritated, inflamed, and itch . Bathing frequently, especially with soaps, can contribute to dry skin.
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Emergency department: The department of a hospital responsible for the provision of medical and surgical care to patients arriving at the hospital in need of immediate care. Emergency department personnel may also respond to certain situations within the hospital such cardiac arrests.
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Family practice: The medical specialty which provides continuing and comprehensive health care for the individual and family . It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family practice encompasses all ages, both sexes, each organ system, and every disease entity. (From the American Academy of Family Physicians )
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Fecal: Relating to the feces , the stool . The excrement discharged from the intestines.
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Fever : Although a fever technically is any body temperature above the normal of 98.6 degrees F. (37 degrees C.), in practice a person is usually not considered to have a significant fever until the temperature is above 100.4 degrees F (38 degrees C.).
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Fissure: A cleft or groove. A fissure can be normal or abnormal.
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Gastroenterology: The medical specialty devoted to the study, diagnosis and treatment of disorders of the digestive system . These disorders may affect the esophagus (swallowing tube), stomach , small intestine , large intestine ( colon ), rectum , liver , gallbladder , or pancreas .
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Genital: Pertaining to the external and internal organs of reproduction. (Not to be confused with genetic.)
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Germ: 1. A cell or group of cells (called a primordium ) capable of developing into an organ , a part or an organism in its entirety. Eggs and sperm are germ cells .

2. A pathogenic a microorganism. A microbe capable of causing disease . The germ theory of disease held, correctly, that these minute bodies can cause disease.

3. The figurative source or wellspring. Dr. Watson told Holmes he had the germ of an idea.
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Hemorrhoids: See: Hemorrhoid .
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Infection: The growth of a parasitic organism within the body. (A parasitic organism is one that lives on or in another organism and draws its nourishment therefrom.) A person with an infection has another organism (a "germ") growing within him, drawing its nourishment from the person.
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Internal medicine: A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes in internal medicine is referred to as an internist. A minimum of seven years of medical school and postgraduate training are focused on learning the prevention, diagnosis, and treatment of diseases of adults. Subspecialties of internal medicine include allergy and immunology, cardiology (heart), endocrinology (hormone disorders), hematology (blood disorders), infectious diseases, gastroenterology (diseases of the gut), nephrology (kidney diseases), oncology (cancer), pulmonology (lung disorders), and rheumatology ( arthritis and musculoskeletal disorders).
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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on the skin or in the skin, and makes the person want to scratch the affected area.
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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pain has both physical and emotional components. The physical part of pain results from nerve stimulation. Pain may be contained to a discrete area, as in an injury, or it can be more diffuse, as in disorders like fibromyalgia . Pain is mediated by specific nerve fibers that carry the pain impulses to the brain where their conscious appreciation may be modified by many factors.
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Pelvic: Having to do with the pelvis, the lower part of the abdomen, located between the hip bones.
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Pelvic pain: Pain perceived in the area of the pelvis , the lower part of the abdomen located between the hip bones. The term pelvic pain is most commonly used to refer to pain arising from reproductive organs (uterus, fallopian tubes, ovaries, vagina) in women. In this sense pelvic pain can have numerous causes, including menstrual cramps ; pain from a rupture of an ectopic pregnancy , ovarian cyst , or other mass; endometriosis ; and pelvic inflammatory disease . Nongynecologic sources of pelvic pain can include urinary tract infections, intestinal obstruction , colitis , tumors, appendicitis , or a number of other conditions.
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Pharmacy: A location where prescription drugs are sold. A pharmacy is, by law, constantly supervised by a licensed pharmacist.
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Placebo-controlled: A term used to describe a method of research in which an inactive substance (a placebo ) is given to one group of participants, while the treatment (usually a drug or vaccine) being tested is given to another group. The results obtained in the two groups are then compared to see if the investigational treatment is more effective than the placebo.
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Prescription: A physician's order for the preparation and administration of a drug or device for a patient. A prescription has several parts. They include the superscription or heading with the symbol "R" or "Rx", which stands for the word recipe (meaning, in Latin, to take); the inscription, which contains the names and quantities of the ingredients; the subscription or directions for compounding the drug; and the signature which is often preceded by the sign "s" standing for signa (Latin for mark), giving the directions to be marked on the container.
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Pruritus: Itching. Pruritus can result from drug reaction, food allergy , kidney or liver disease, cancers, parasites, aging or dry skin, contact skin reaction, such as poison ivy , and for unknown reasons.
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Pruritus ani: A medical name for itchiness of the anus. See Anal itching .
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Psoriasis : A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or buttocks. Psoriasis is an autoimmune disease that is mediated by T lymphocytes. It is also a very common disease, Chronic plaque psoriasis affects approximately 2% of people around the world. About 10-15% of patients with psoriasis develop joint inflammation (inflammatory arthritis ). Treatment options include topical steroid creams, tar soap preparations, and exposure to ultraviolet light.
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Rash : Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
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Seborrhea : A chronic inflammatory disease of the skin characterized by the accumulation of scales of greasy skin. There may be yellow crusted patches that are itchy. Seborrhea often affects the scalp. Other sites include the face, ears, eyebrows and eyelids, umbilicus, and genitalia, Seborrhea of the scalp is commonly known as dandruff.
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Sweat: A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous (sweat) glands situated within the skin and under it in the subcutaneous tissue . The sweat glands discharge their fluid through tiny openings in the surface of the skin.
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Sweating: The act of secreting fluid from the skin by the sweat (sudoriferous) glands. These are small tubular glands situated within and under the skin (in the subcutaneous tissue). They discharge by tiny openings in the surface of the skin.
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Symptom: Any subjective evidence of disease. Anxiety, lower back pain , and fatigue are all symptoms. They are sensations only the patient can perceive. In contrast, a sign is objective evidence of disease. A bloody nose is a sign. It is evident to the patient, doctor, nurse and other observers.
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Topical: Pertaining to a particular surface area. A topical agent is applied to a certain area of the skin and is intended to affect only the area to which it is applied. Whether its effects are indeed limited to that area depends upon whether the agent stays where it is put or is absorbed into the blood stream.
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Yeast infection: Overgrowth of yeast can affect the skin (yeast rash ), mouth (thrush), digestive tract, esophagus, vagina ( vaginitis ), and other parts of the body. Yeast infections occur most frequently in moist areas of the body. Although Candida albicans and other Candida yeasts are the most frequent offenders, other yeast groups are known to cause illness, primarily in immunocompromised patients. These include Torulopsis, Cryptococcus, Malassezia, and Trichosporon yeasts. Diagnosis is by observation, and can be confirmed by culturing a stool or mucosa sample, or a scraping from the affected area. Treatment is by topical or oral antifungal medications. Acidophilous, a helpful bacteria that normally helps to keep yeast in check, can also be tried in supplement form or in yogurt with live cultures.
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