Acute:  having severe symptoms and a short course.

Anxiety: a multisystem response to a perceived threat or danger

Aphonia: loss of the voice

Brain fog: a state in which it feels like a cloud is obstructing your mental clarity. Characterized by confusion, forgetfulness, discouragement, depression, tiredness, difficulty thinking, poor concentration, difficulty focusing, difficulty completing tasks, and feeling spacey. The causes of Brain Fog include physical, emotional, biochemical factors and fatigue. Also known as “fibro fog” when occurring in a fibromyalgia patient.

Chronic: persisting for a long time; showing little change or extremely slow progression over a long period of time.

Cognitive: Of, characterized by, involving, or relating to cognition.

Cognition: the mental activities associated with thinking, learning and memory. Organic: of, relating to, or arising in a bodily organ

Cystitis: inflammation of the urinary bladder

Depersonalization: This is a sudden sense of being outside yourself, observing your actions from a distance as though watching a movie.  The size and shape of things, such as your own body or other people and things around you may seem distorted.

Depression: a mental state of altered mood characterized by feelings of sadness, despair, and discouragement; distinguished from grief which is realistic and proportionate to personal loss. Profound depression may be an illness in itself or it may be symptomatic of another psychological illness.

Diplopia: the perception of two images of a single object; double vision

Disorder: a derangement or abnormality of function

Dissociative Amenesia: The main symptom of this condition is memory loss that’s more severe than normal forgetfulness and that can’t be explained by a medical condition.

Dysarthria: imperfect articulation of speech

Dysphonia: a voice impairment, difficulty speaking

Dystonia: characterized by sustained muscle contractions that cause twisting and repetitive movements or abnormal postures.

Fibromyalgia: a chronic disorder characterized by widespread musculo-skeletal pain, fatigue, and tenderness in localized areas.

Functional: affecting the function but not the structure.

Functional disease: a disease of physiological function having no known organic basis. Although not strictly correct, the term is often used in psychiatry for disorders that are psychogenic and in other branches of medicine to refer to any that are idiopathic.

Functional neurological disorder (FND): a neurological condition that is not of an organic nature. Symptoms are akin to those of MS or Parkinson’s disease but there are no medical findings on tests or exams to conclude an organic disease. Sometimes thought of to be psychological in nature.

Gait: a person’s manner of walking

Hypersensitive: highly or excessively sensitive; responding excessively to a stimulus.

Hypersensitivity: a state of altered re-activity in which the body reacts with and excessive and exaggerated response.

Hypersomnia: excessive sleep or sleepiness

Hypoglycemia: literally translated as low blood sugar. Hypergycemia occurs when blood sugar (or blood glucose) concentrations fall below a level necessary to properly support the body’s need for energy.

Idiopathic: self-originated; occurring without known cause. IE: idiopathic disease is one that exists without any connection with any known cause.

Interstitial: pertaining to or situated between parts or in the interstices of a tissue.

Interstitial cystitis (IC): an inflammation of the bladder, believed to be associated with an autoimmune or allergic response. Also known as “painful bladder syndrome”

Insomnia: the inability to obtain an adequate amount or quality of sleep.

Irritable Bowel Syndrome (IBS): also known as spastic colon, it is characterized by chronic abdominal pain, discomfort, bloating, diarrhea, constipation, and alternating between diarrhea and constipation. It has no organic cause.

Myoclonus: a sudden involuntary twitching or jerks of a muscle or a group of muscles.  These twitches are caused by sudden muscle contractions or brief lapses of contractions. Contractions are called positive myoclonus and the relaxations are called negative myoclonus.

Neurological: referring to the nervous system

Overactive bladder (OAB): a urological condition characterized by an urgent and frequent need to urinate and incontinence.

Photophobia: abnormal visual intolerance to light

Presyncope: near fainting; a sensation of being about to pass out.

Psychogenic: having an emotional or psychological origin. Of mental origin or causation.

Restless leg syndrome (RLS): characterized by an irresistible urge to move one’s body to stop odd uncomfortable sensations.   It can affect the legs, arms, torso and head.

Spoonie: see The Spoon Theory

Spoon Theory: see The Spoon Theory

Syncope: to faint; fainting.

Syndrome: a collection of symptoms that occur together

Tics: a sudden, repetitive, non-rhythmic movement involving discrete muscle groups.

Tremor: a rhythmic muscle contraction and relaxation involving to and fro movements of one or more body parts.