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Endometriosis Learning Center

Painful periods; Pain in the lower abdomen or pelvic cramps that can be felt for a week or two before menstruation; Pain in the lower abdomen felt during menstruation (the pain and cramps may be steady and dull or severe) Pain during or following ...
Source:ADAM
Date:September 2, 2009
Although the exact cause of endometriosis is unknown, a number of theories have been put forward. Some of the more popular ones are: Implantation theory. Originally proposed in the 1920s, this theory states that a reversal in the direction of mens...
Source:Gale Encyclopedia of Medicine
Pain is a universal human experience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage...
Source:Gale Encyclopedia of Neurological Disorders
Pain, medically termed "nociception," is a response to noxious stimuli that is conveyed to the brain by sensory neurons . The discomfort signals actual or impending injury to the body. However, pain is more than a sensation, or the physical awaren...
Source:Gale Encyclopedia of Nursing and Allied Health
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
Source:Gale Encyclopedia of Medicine
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
Source:Gale Encyclopedia of Alternative Medicine
Pain is an unpleasant feeling that is conveyed to the brain by nerves in the body.
Source:Gale Encyclopedia of Children's Health
Pain felt in your lower back may come from the spine, muscles, nerves, or other nearby structures. It may also be due to problems in your mid or upper back, the testicles or ovaries, or a hernia in the groin.
Source:ADAM
Date:July 10, 2009
Low back pain (LBP) is a common complaint—second only to cold and flu as a reason why patients seek care from their family doctor. It may be a limited musculoskeletal symptom or caused by a variety of diseases and disorders that affect or extend f...
Source:Gale Encyclopedia of Alternative Medicine
Back pain is one of the most common health complaints. Almost everyone will have back pain at some time in their life. Most of the time, the exact cause of the pain cannot be found. This article discusses long-term (chronic) low back pain. For inf...
Source:ADAM
Date:July 10, 2009
Low back pain is a common musculoskeletal symptom that may be either acute or chronic. It may be caused by a variety of diseases and disorders that affect the lumbar spine. Low back pain is often accompanied by sciatica , which is pain that involv...
Source:Gale Encyclopedia of Medicine
Dysfunctional uterine bleeding (DUB) is abnormal bleeding from the vagina that is due to changes in hormone levels.
Source:ADAM
Date:September 2, 2009
Abdominal pain is pain that you feel anywhere between your chest and groin. This is often referred to as the stomach region or belly.
Source:ADAM
Date:October 7, 2009
Painful menstrual periods are periods in which a woman experiences crampy lower abdominal pain, sharp pain that comes and goes, aching pain, or possibly back pain.
Source:ADAM
Date:September 2, 2009
Anything that interferes with the normal menstrual cycle, causing pain , unusually heavy or light bleeding, or missed periods.
Source:Gale Encyclopedia of Medicine
Dysmenorrhea refers to the pain or discomfort associated with menstruation . Although not a serious medical problem, the term describes a woman adolescent girl with menstrual symptoms severe enough to keep her from functioning for a day or two eac...
Source:Gale Encyclopedia of Children's Health
Dysmenorrhea is the occurrance of painful cramps during menstruation.
Source:Gale Encyclopedia of Medicine
Dysmenorrhea is the occurrence of painful cramps during menstruation .
Source:Gale Encyclopedia of Alternative Medicine
Dyspareunia is painful sexual intercourse. The same term is used whether the pain results from a medical or a psychosocial problem. Dyspareunia may be diagnosed in men and women, although the diagnosis is rare in men; when it does occur in men, it...
Source:Gale Encyclopedia of Mental Disorders
Antispasmodic drugs relieve cramps or spasms of the stomach, intestines, and bladder.
Source:Gale Encyclopedia of Medicine
The menstrual cycle is not the same for every woman. On average, menstrual flow occurs every 28 days (with most women having cycles between 24 and 34 days), and lasts about 4-7 days. However, there is a wide variation in timing and duration that i...
Source:ADAM
Date:September 2, 2009
Dysfunctional uterine bleeding is irregular, abnormal uterine bleeding that is not caused by a tumor, infection, or pregnancy .
Source:Gale Encyclopedia of Medicine
Primary infertility describes couples who have never been able to become pregnant after at least 1 year of unprotected sex (intercourse. Secondary infertility describes couples who have been pregnant at least once, but have not been able to become...
Source:ADAM
Date:March 17, 2009
Infertility is the failure of a couple to conceive a pregnancy after trying to do so for at least one full year. In primary infertility, pregnancy has never occurred. In secondary infertility, one or both members of the couple have previously conc...
Source:Gale Encyclopedia of Alternative Medicine
Infertility is the failure of a couple to conceive a pregnancy after trying to do so for at least one full year. In primary infertility, pregnancy has never occurred. In secondary infertility, one or both members of the couple have previously conc...
Source:Gale Encyclopedia of Medicine
Infertility is the failure to conceive a pregnancy after attempting for at least one full year. In primary infertility, pregnancy has never occurred. In secondary infertility, one or both members of the couple have previously conceived, but are un...
Source:Gale Encyclopedia of Nursing and Allied Health
Depression may be described as feeling sad, blue, unhappy, miserable, or down in the dumps. Most of us feel this way at one time or another for short periods. True clinical depression is a mood disorder in which feelings of sadness, loss, anger, o...
Source:ADAM
Date:January 20, 2009
Depression, also known as depressive disorders or unipolar depression, is a mental illness characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable. Disturbance in slee...
Source:Gale Encyclopedia of Alternative Medicine
Fatigue is a feeling of weariness, tiredness, or lack of energy.
Source:ADAM
Date:August 3, 2009
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Alternative Medicine
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Neurological Disorders
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Medicine
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Mental Disorders
Fatigue is a feeling of exhaustion or loss of strength. The duration of fatigue for a patient with cancer has been found to last from one to two times the length of time between diagnosis and completion of treatment, so it is common for fatigue to...
Source:Gale Encyclopedia of Cancer
A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are extremely rare. Most people with headaches can feel much better by making lifestyle changes, learning ways to relax, and occasionally by taking medicatio...
Source:ADAM
Date:October 27, 2009
A headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom HEADACHE THERAPIES Description Type Acupressure Press pointer fingers beneath cheekbones and parallel to pupils (Stomach 3) for one minute...
Source:Gale Encyclopedia of Alternative Medicine
A headache involves pain in the head which can arise from many disorders or may be a disorder in and of itself.
Source:Gale Encyclopedia of Medicine
A headache involves pain in the head that can arise from many disorders or may be a disorder in and of itself.
Source:Gale Encyclopedia of Children's Health
Headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom of an underlying medical condition or disease. The medical term for headache is cephalalgia. Headaches are one of the most common and univer...
Source:Gale Encyclopedia of Neurological Disorders
Back pain may occur in the upper, middle, or lower back; it is most often experienced in the lower back. It may originate from the bones and ligaments forming the spine, the muscles and tendons supporting the back, the nerves that exit the spinal ...
Source:Gale Encyclopedia of Neurological Disorders
Nausea is the sensation of having an urge to vomit. Vomiting is forcing the contents of the stomach up through the esophagus and out of the mouth.
Source:ADAM
Date:October 20, 2009
Nausea is the sensation of having a queasy stomach or being about to vomit. Vomiting , or emesis, is the expelling of undigested food through the mouth.
Source:Gale Encyclopedia of Alternative Medicine
Vomiting is the forceful discharge of stomach contents through the mouth.
Source:Gale Encyclopedia of Alternative Medicine
Gas, also called flatus or flatulence, is air in the intestine that is passed through the rectum. Air that is passed from the digestive tract through the mouth is called belching.
Source:ADAM
Date:February 20, 2008
Gas, or flatus, is produced when naturally occurring bacteria in the gastrointestinal tract begin to break down, or digest, food. When an excess of air builds up in the tract from swallowing air or a disorder that prevents digestion, it is release...
Source:Gale Encyclopedia of Alternative Medicine
Dizziness is light-headedness, feeling like you might faint, being unsteady, loss of balance, or vertigo (a feeling that you or the room is spinning or moving. Most causes of dizziness are not serious and either quickly get better on their own or ...
Source:ADAM
Date:May 2, 2009
Dizziness is a general term that describes sensations of imbalance and unsteadiness, such as vertigo, mild turning, imbalance, and near fainting or fainting. Feelings of dizziness stem from the vestibular system, which includes the brain and the p...
Source:Gale Encyclopedia of Neurological Disorders
As a disorder, dizziness is classified into three categories—vertigo, syncope, and nonsyncope nonvertigo. Each category has a characteristic set of symptoms, all related to the sense of balance. In general, syncope is defined by a brief loss of co...
Source:Gale Encyclopedia of Medicine
As a disorder, dizziness is classified into three categories: vertigo, syncope, and nonsyncope nonvertigo. Each category has its own set of symptoms, all related to the sense of balance. In general, syncope is defined by a brief loss of consciousn...
Source:Gale Encyclopedia of Children's Health
Dizziness is classified into three categories—vertigo, syncope, and nonsyncope nonvertigo. Each category has a characteristic set of symptoms, all related to the sense of balance. In general, syncope is defined by a brief loss of consciousness (fa...
Source:Gale Encyclopedia of Alternative Medicine
Being tired is the familiar aftermath of physical exertion, prolonged labor or lack of sleep. When does being tired become a symptom of a condition? Fatigue, malaise, lassitude, exhaustion are all subtle variations of the same subjective feelings of not having enough energy to meet the demands of one's life.
Source:Healthline
Date:September 30, 2007
Intermenstrual bleeding is bleeding from the uterus that occurs between menstrual periods.
Source:ADAM
Date:June 26, 2008
Weakness is a reduction in the strength of one or more muscles.
Source:ADAM
Date:August 8, 2009
Any procedure or medication that interferes with the functioning of the testes or ovaries affects fertility. The choices made before cancer treatment begins can determine whether the patient will remain fertile after treatment. Prior to deciding o...
Source:Gale Encyclopedia of Cancer
Muscle aches and pains are common and can involve more than one muscle. Muscle pain also can involve ligaments, tendons, and fascia, the soft tissues that connect muscles, bones, and organs. See also: Muscle cramps; Joint pain.
Source:ADAM
Date:May 2, 2009
Malaise is a generalized feeling of discomfort, illness, or lack of well-being.
Source:ADAM
Date:February 22, 2009
Abdominal bloating is a condition in which the abdomen (belly) feels full and tight.
Source:ADAM
Date:March 8, 2008
Depression is sometimes referred to as the common cold of mental illness. It is a debilitating disease with significant societal costs. It is, however, one of the most clearly defined and treatable of mental illnesses. Technically, the term "depre...
Source:Gale Encyclopedia of Public Health
Everybody feels sad sometimes, but to be clinically depressed is not just a matter of feeling sad. A patient with cancer is diagnosed as having major depression only if certain symptoms, such as loss of pleasure or thoughts of death, are present f...
Source:Gale Encyclopedia of Cancer
A depressive disorder is defined by the National Institute of Mental Health (NIMH) as an illness that involves the body, mood and thoughts. It encompasses feelings of overwhelming sadness and despair that persist or intensify over time.
Source:Gale Encyclopedia of Nursing and Allied Health
Depression and depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable. Disturbance in sleep , appetite...
Source:Gale Encyclopedia of Children's Health
Depression is the general name for a family of illnesses known as depressive disorders. Depression is an illness that affects not only the mood and thoughts, but also the physical functions of affected individuals. Depressive disorders usually res...
Source:Gale Encyclopedia of Genetic Disorders Part I
An emotional state or mood characterized by one or more of these symptoms: sad mood, low energy, poor concentration, sleep or appetite changes, feelings of worthlessness or hopelessness, and thoughts of suicide. Until recently, it was thought that...
Source:Gale Encyclopedia of Childhood and Adolescence
Depression or depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that were once pleasurable. Disturbance in sleep, appetite, ...
Source:Gale Encyclopedia of Medicine
Depression or depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that were once pleasurable. Disturbance in sleep, appetite, ...
Source:Gale Encyclopedia of Mental Disorders
Depression is the general name for a family of illnesses known as depressive disorders. Depression is an illness that affects not only the mood and thoughts, but also the physical functions of affected individuals. Depressive disorders usually res...
Source:Gale Encyclopedia of Genetic Disorders Part II
Abdominal distention, gaseous often results from overeating or from swallowing air, but can be a sign of a more serious medical condition, such as bowel obstruction. Eating certain foods such as legumes (beans) can cause abdominal distention due to intestinal gas.
Source:Healthline
Date:September 30, 2007
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