An ontology for describing clinical signs and symptoms.
CSSO: Clinical Signs and Symptoms Ontology
Behavior that deviates from what is commonly accepted by a group or society.
The spontaneous or induced termination of pregnancy before the fetus has developed to the stage of viability.
Cognition, perception, emotional state and behavior system symptom
A symptom that affects the entire body rather than a specific organ or location.
Any visible, local abnormality of the tissues of the skin, such as a wound, sore, rash, or boil.
Any condition that interferes with sleep.
A condition of being feeble, fragile, frail, or decrepit or lacking physical strength, energy, or vigor.
Acute or chronic, localized or diffuse pain in the abdominal cavity.
A localized collection of pus in part of the body, formed by tissue disintegration and surrounded by an inflamed area.
A condition in which there is an abnormally low number of red blood cells in the bloodstream.
An abnormal accumulation of fluid in the abdomen.
An invasion of the bloodstream by bacteria.
A condition of the bladder marked by increased frequency of contraction with associated desire to urinate.
A vesicle or bulla of the skin, containing watery matter or serum.
Abnormal presence of blood in the urine.
A tender, swollen area that forms around a hair follicle.
A slow heart rate, usually under 60 beats per minute in adults.
Necrosis in which tissue is changed into a dry mass resembling cheese.
A spreading inflammation of subcutaneous or connective tissue.
A sensation of cold, with convulsive shaking of the body.
Chronic cough is a cough characterized by an explosive expulsion of air from the lungs acting as a protective mechanism to clear the air passages or as a symptom of pulmonary disturbance marked by long duration, by frequent recurrence over a long time, and often by slowly progressing seriousness.
A state of profound unconsciousness, characterized by the absence of spontaneous eye openings, response to painful stimuli, and vocalization.
Impaired orientation with respect to time, place, or person.
An acute or chronic condition in which bowel movements occur less often than usual or consist of hard, dry stools that are painful or difficult to pass.
A forceful release of air from the lungs that can be heard.
The lack or loss of the ability to hear.
A state of mental confusion that develops quickly and usually fluctuates in intensity.
Shedding of the cells lining the insides of the air sacs.
The secretion of sweat, especially the profuse secretion associated with an elevated body temperature, physical exertion, exposure to heat, and mental or emotional stress.
Excessive and frequent evacuation of watery feces.
A sensation of faintness and whirling or an inability to maintain normal balance in a standing or seated position.
A state of impaired awareness associated with a desire or inclination to sleep.
Difficult or painful sexual intercourse.
Difficulty in swallowing or inability to swallow.
A difficulty in breathing or shortness of breath.
A condition of abnormally large fluid volume in the circulatory system or in tissues between the body's cells.
Physical and/or mental exhaustion that can be triggered by stress, medication, overwork, or mental and physical illness or disease.
Feces containing an abnormally large amount of fat.
A collection of inflammatory cells forming a microscopic lesion.
Gum bleeding is a mouth symptom characterized by a copious discharge of blood from the blood vessels of the mucosal tissue that lies over the alveolar bone.
A disorder in which the red blood cells are destroyed prematurely.
Enlargement of the liver and the spleen.
A disorder marked by excessive sweating.
The inability to achieve or maintain an erection long enough to engage in sexual intercourse.
A localized protective reaction characterized by increased blood supply and activation of defense mechanisms. It produces redness, swelling, heat, and pain.
A condition of abnormal excitability or sensitivity.
An intense, distracting irritation or tickling sensation that may be felt all over the skin's surface, or confined to just one area.
A yellow discoloration of the skin, mucous membranes, and sclerae of the eyes caused by greater than normal amounts of bilirubin in the blood.
Pain on moving a joint, loss of range of motion, or reduced range of motion.
A condition characterized by an elevated number of white cells in the blood.
A condition in which the number of leukocytes circulating in the blood is abnormally low.
Low-grade fever is a fever that does not exceed 38.5 degree centrigrade.
Any disorder characterized by a localized or generalized enlargement of the lymph nodes or lymph vessels.
A condition in which the number of lymphocytes increases above normal levels.
A rash characterized by raised, spotted lesions.
A general sense of depression or unease.
A distinctive odor that is offensively unpleasant.
An abnormal condition characterized by irritation of the brain and spinal cord.
Failure of two or more organ systems in a critically ill patient.
A sudden intermittent pain in almost any part of the body.
The slight, continuous contraction of a muscle.
An unpleasant sensation characterized by gastrointestinal distress and an urge to vomit.
An unpleasant sensation localized in the neck.
The death of cells, a portion of tissue, or a portion of an organ due to permanent damage of some sort, such as loss of blood supply, bacterial toxins, or physical or chemical agents.
Any defect or absence of function of a peripheral nerve or a system.
The occurrence of excessive sweating during sleep.
A small node that may form on a tendon and make it difficult to slide smoothly through its sheath.
An unpleasant sensation caused by stimulation of specialized nerve endings.
Complete loss of strength in an affected limb or muscle group.
An altered sensation often described as burning, tingling, or pin pricks.
Tiny purple or red spots on the skin resulting from hemorrhages within the dermal or submucosal layers.
Thick mucus secreted by the tissues lining the airways of the lungs.
The coloration or discoloration of a part by a pigment.
An exudation of fluid from the blood or lymph into a pleural cavity.
Acute inflammation of the intercostal muscles and the muscular attachment of the diaphragm to the chest wall.
An infection of the lung that can be caused by nearly any class of organism known to cause human infections.
Extreme exhaustion or lack of energy or power.
The presence of protein in the urine exceeding normal levels.
The presence of an excessive number of white blood cells in the urine.
Elevation of the pressure in the cranium.
A fever where the body temperature periodically rises and falls.
Any condition that affects breathing function or the lungs themselves and can result in failure of the lungs to function properly.
Small slightly raised reddish pimples that are a distinguishing feature of typhoid or paratyphoid infection.
The free discharge of a thin watery nasal fluid.
A disease in which bacteria invades the bloodstream and circulates throughout the body.
A medical emergency in which the organs and tissues of the body are not receiving an adequate flow of blood.
Reaction to a particular irritant that results in inflammation of the skin and itchiness.
A superficial growth or patch of the skin that does not resemble the area surrounding it.
A skin lesion characterized as a break in skin with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus.
A naturally occurring termination of a pregnancy.
The substance that is brought up from the lungs and airway when a person coughs or spits. It is a mixture of saliva and mucus, and may contains may blood or pus.
The death of a fetus at any time after the twentieth week of pregnancy.
A state of unresponsiveness in which a person seems unaware of the surroundings.
Transient abnormal enlargement of a body part or area.
A dysphagia in which swallowing causes pain.
Abnormally rapid heart rate, especially above 100 beats per minute in adults.
Discomfort elicited through palpation indicates unusual sensitivity to pressure or touch.
A painful spasm of the anal sphincter accompanied by an urgent desire to evacuate the bowel or bladder and involuntary straining that results in the passing of little or no matter.
Inflammation of the throat, accompanied by dryness and pain.
Any pain or soreness within or around a tooth.
A prolonged tonic spasm of the muscles of the jaw.
A site of damage to the skin or mucous membrane that is characterized by the formation of pus, death of tissue, and is frequently accompanied by an inflammatory reaction.
Frequent urination or urgency without an increase in the total daily volume of urine.
An abnormal condition in which blood is passed from the vagina other than during the menses.
Discharge of secretions from the cervical glands of the vagina.
A small bladder or blister, containing clear fluid.
A sensation of instability, giddiness, loss of equilibrium, or rotation, caused by a disturbance in the semicircular canal of the inner ear or the vestibular nuclei of the brainstem.
A forceful emptying or throwing up of the stomach contents through the mouth. It can include the complete inability to hold fluids or food in the stomach.
A high-pitched whistling sound associated with labored breathing.
A condition of the body that does not get the right amount of the vitamins, minerals, and other nutrients it needs to maintain healthy tissues and organ function.
Any disease or abnormal condition affecting a joint.
An inflammation or redness of the lining of the white part of the eye and the underside of the eyelid.
The loss of water and salts essential for normal body function.
A state of being depressed marked especially by sadness, inactivity, difficulty with thinking and concentration.
The coughing up of blood or bloody sputum from the lungs or airway.
A serious inflammation of the meninges, the thin, membranous covering of the brain and the spinal cord.
An eye showing dilation of conjunctival, episcleral or ciliary blood vessels.
Disorder characterized by the kidney's inability to filter wastes from the blood.
A sudden, violent, involuntary muscular contraction.
An abnormal drop in the number of blood cells involved in forming blood clots.
An inflammation of the urethra that is usually caused by an infection.