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Variant of etiology.


(1) As commonly used in medical practice, cause.
(2) A branch of knowledge concerned with the causes of particular phenomena; specifically, a branch of medical science concerned with the causes and origins of diseases. This definition is rarely used in the working parlance.


1. The science and study of the causes of disease and their mode of operation.
Compare: pathogenesis
2. The science of causes, causality; in common usage, cause.
Synonym(s): aetiology.
[G. aitia, cause, + logos, treatise, discourse]


The cause of a disease. This may involve many factors, including susceptibility arising from a hereditary tendency or genetic cause, environmental factors, previous related illness, unwise or unhealthy lifestyle, exposure to infective agents, and so on. The term is derived from the Greek aitia , a cause and logos , a discourse. Compare PATHOGENESIS.




the study of causes (usually of a disease).


cause of disease


The cause or origin of a disease. Note: also spelt etiology. See diagnosis; epidemiology.


Patient discussion about aetiology

Q. how is depression caused by having cancer treated? I mean not only the patient, also the family members who tend to get depressed by the situation. how can you treat thi skind of depression?

A. thanks guys, you are great. Nice to have such a community here.

Q. What causes fibromyalgia? Is fibromyalgia a deadly disease?

A. The causes of fibromyalgia are not known. But there are many theories such as abnormalities in brain chemicals, infections, trauma, genetics and hormonal changes. Factors such as poor sleep, fatigue, overexertion and anxiety, may aggravate the symptoms. Fibromyalgia is not a progressive or life-threatening condition, but it affects quality of life. Fibromyalgia is only a disorder of muscles and not a disease.

Q. Is that true that mouth sores are caused by lack of vitamins? I’ve been having white mouth sores in the past 6 months or so. Could that mean I have to take vitamin supplements?

A. yup ... autoimmune reactions means your immune system is not working well
it's not working well because it lacks the nutrient and vitamins it needs to function properly
- take lots of vitamin c to boost your immune system
- organic multivitamins
- organic juices high in anti oxidants
- and most important .. omega 3-6-9

More discussions about aetiology
References in periodicals archive ?
Death during pregnancy occurred in two women with idiopathic PAH and in one with PAH of other etiologies.
As previously noted, because of the NHIS recodes, these broad categories of health conditions are combinations of conditions, reflecting end points with and without known environmental etiologies.
Based on these findings, musculoskeletal etiologies of pelvic pain in young girls appear common, and physical therapy seems to be relatively effective treatment.
We conclude that the possible etiologies of demyelination include viral and/or immune-mediated factors similar to those seen in other demyelinating diseases, such as multiple sclerosis and Guillain-Barre syndrome.
These included bowel etiologies in both, gynecologic etiologies in women, and pancreatic etiologies in men," he said.
The primary etiologies were fatty liver disease, present in 18 patients, and hepatitis C, seen in 15 patients, said Dr.
Although the term neuropathic pain is used to describe a wide range of pain syndromes with varying etiologies, this report focuses on 3 distinct forms of NP: Painful diabetic neuropathy, Postherpetic neuralgia and trigeminal neuralgia.
Though it is well recognized that most cases of spontaneous renal hemorrhage are secondary to renal mass, in incidental cases where the source of bleeding is nonexistent, idiopathic, and non traumatic, etiologies should be taken into account.
In additional findings, a history of postpartum hemorrhage due to one etiology, for example, uterine atony or retained placenta, increased the risk not only of a recurrence of hemorrhage due to the same etiology but also of occurrence of hemorrhage due to other etiologies.
Three (5%) patients had other identifiable etiologies.
The purpose of our descriptive retrospective study was to analyze data collected within the Electronic Foodborne Outbreak Reporting System (eFORS) in school settings in order to examine the magnitude of foodborne disease etiologies, particularly norovirus, and to recommend strategies for prevention.
Presumably, the most common etiologies of encephalitis are infectious (11), and viral pathogens account for most diagnosed cases.