A functional symptom is a medical symptom with no known physical cause. In other words, there is no structural or pathologically defined disease to explain...

Functional neurologic disorder or functional neurological disorder (FND) is a condition in which patients experience neurological symptoms such as weakness...

phobias. Somatic symptom disorder is frequently associated with functional pain syndromes like fibromyalgia and IBS. Somatic symptom disorder typically...

explain the symptoms or the symptom burden. This difficulty in 'seeing' the processes underlying the symptoms of functional disorders has often resulted...

function Functional group, combination of atoms within molecules Medical conditions without currently visible organic basis: Functional symptom Functional disorder...

Functional dyspepsia (FD) is a common gastrointestinal disorder defined by symptoms emanating from the gastroduodenal region in the absence of an underlying...

for other symptoms, such as blood in stool, weight loss, low blood count, or other symptoms. To be considered functional constipation, symptoms must be...

Conversion disorder (CD), or functional neurologic symptom disorder, is a diagnostic category used in some psychiatric classification systems. It is sometimes...

tell women that their symptoms are psychogenic, despite actual symptoms of a physical disorder. Psychology portal Functional symptom Habit cough Mass psychogenic...

those that determine the symptoms of the aura. Therefore, if the visual area is affected, the aura will consist of visual symptoms, while if a sensory one...

can come under the spectrum of functional neurological disorder or somatic symptom disorder. In ophthalmology, Functional visual loss is the reduction in...

presenting with PNES may meet the criteria for functional neurological disorder and in some cases, somatic symptom disorder, whilst in ICD 10 it may meet the...

heartburn, behavioral modifications can exacerbate or alleviate symptoms Functional heartburn is heartburn of unknown cause. It is commonly associated...

FODMAPs, might help to improve digestive symptoms in adults with irritable bowel syndrome (IBS) and other functional gastrointestinal disorders (FGID). Avoiding...

accommodation to food. Diagnostic criteria for functional dyspepsia categorize it into two subtypes by symptom: epigastric pain syndrome and post-prandial...

low-FODMAP diet might help to improve short-term digestive symptoms in adults with functional abdominal bloating and irritable bowel syndrome, but its long-term...

without a structural or biochemical cause that could explain symptoms. Other functional disorders relate to other aspects of the process of digestion...

The absence of symptom association with food intake or defecation distinguishes functional abdominal pain syndrome from other functional gastrointestinal...

Cyanopsia is a medical symptom and not a sign. It is a purely subjective state and can be caused by a physical or functional abnormality of the eye,...

Irritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by a group of symptoms that commonly include abdominal pain, abdominal...

increases with the number of symptoms reported. Physical symptoms have been associated with adverse psychosocial and functional outcome across different cultures...

accounts for around 50 percent of the most often found negative symptoms and affects functional outcome and subsequent quality of life. Apathy is related to...

desire for attention is not met, it can heighten the severity of their symptoms. They tend to be impressionable and easily manipulated, especially by those...

feeling of unease or scratchiness in the throat. Hoarseness is often a symptom of problems in the vocal folds of the larynx. It may be caused by laryngitis...

of symptoms that occur upon the abrupt discontinuation or decrease in the intake of pharmaceutical or recreational drugs. In order for the symptoms of...

proposed to group symptoms into clusters or into one general functional somatic disorder given the finding of correlations between symptoms and underlying...

somatoform disorder to become somatic symptom disorder, a diagnosis which no longer requires a specific number of somatic symptoms. ICD-10, the latest version of...

The Somatic Symptom Scale - 8 (SSS-8) is a brief self-report questionnaire used to assess somatic symptom burden. It measures the perceived burden of...

sleep Frigidity Frustration Fugue Functional autonomy Functional disorder Functional psychology Functional symptom Fundamental attribution error Fundamental...

ovarian cyst is a fluid-filled sac within the ovary. They usually cause no symptoms, but occasionally they may produce bloating, lower abdominal pain, or lower...