| toxic | Pertaining to, due to or of the nature of a poison or toxin, manifesting the symptoms of severe infection. (18 Nov 1997) |
|---|---|
| toxic amaurosis | Blindness due to optic neuritis caused by methyl alcohol, lead, arsenic, quinine, or other poisons. (05 Mar 2000) |
| toxic amblyopia | Blindness due to optic neuritis caused by methyl alcohol, lead, arsenic, quinine, or other poisons. (05 Mar 2000) |
| toxic anaemia | Any anaemia resulting from the destructive effects of a chemical, metabolic poison, bacterial toxin, venom, and similar materials. (05 Mar 2000) |
| toxic cataract | A cataract caused by drugs or chemicals. (05 Mar 2000) |
| toxic cirrhosis | Cirrhosis of the liver resulting from chronic poisoning, as by lead or carbon tetrachloride. (05 Mar 2000) |
| toxic cyanosis | Cyanosis due to methemoglobin formation resulting from the action of certain drugs, e.g., nitrites. (05 Mar 2000) |
| toxic delirium | Delirium caused by the action of a poison. (05 Mar 2000) |
| toxic effect | <physiology> The physiologic, physical or laboratory manifestations or derangement that can be attributed to the presence of a substance within the body. (12 Jan 1998) |
| toxic epidermal necrolysis | A syndrome in which a large portion of the skin becomes intensely erythematous with epidermal necrosis, and peels off in the manner of a second-degree burn, often simultaneous with the formation of flaccid bullae, resulting from drug sensitivity or of unknown cause; the level of separation is subepidermal, unlike staphylococcal scalded skin syndrome in which there is subcorneal change. Synonym: Lyell's syndrome. (05 Mar 2000) |
| toxic equivalent | The amount of toxin or other poison per kilogram of body weight necessary to kill an animal. (05 Mar 2000) |
| toxic goiter | A goiter that forms an excessive secretion, causing signs and symptoms of hyperthyroidism. (05 Mar 2000) |
| toxic haemoglobinuria | Haemoglobinuria occurring after the ingestion of various poisons, in certain blood diseases, and in certain infections. (05 Mar 2000) |
| toxic hydrocephalus | Thrombotic hydrocephalus associated with some general infection or toxic state. (05 Mar 2000) |
| toxic megacolon | <gastroenterology, surgery> An acute nonobstructive dilation of the colon, seen in advanced ulcerative colitis and Crohn's disease. (12 Jan 1998) |
| megacolon, toxic | Acute dilatation of the colon associated with amebic or ulcerative colitis. The dilatation may precede perforation of the colon. (12 Dec 1998) |
|---|---|
| goiter, diffuse toxic | Graves' disease, the most common cause of hyperthroidism, too much thyroid hormone. (12 Dec 1998) |
| goiter, toxic multinodular | Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive and produce excess thyroid hormones. This condition is also known as Parry's disease or Plummer's disease. (12 Dec 1998) |
| plants, toxic | Plants or plant parts which are harmful to man or other animals. (12 Dec 1998) |
| hepatitis, toxic | Acute hepatitis caused by true hepatotoxins such as amanita phaloides toxin, carbon tetrachloride, yellow phosphorus, and a variety of drugs. (12 Dec 1998) |
| shock, toxic | See Syndrome, toxic shock. (12 Dec 1998) |
| syndrome, toxic shock | A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterised by a highly toxic state (with sudden high fever, vomiting, diarrhoea, muscle aching) followed by low blood pressure (hypotension) which can lead to shock (and death). There may be a rash resembling sunburn with peeling of skin. The channing laboratory in boston under dr. Edw. Kass discovered that toxic shock was due to a toxin produced by staph (staphylococcus) aureus bacteria growing under conditions with little or no oxygen. The syndrome occurs rarely in women not using tampons and in men. (12 Dec 1998) |
| drugs toxic to lung | <radiology> Bleomycin, methotrexate, cytoxan, amiodarone (12 Dec 1998) |
| epidermal necrolysis, toxic | An exfoliative disease of skin seen primarily in adults and characterised by flaccid bullae and spreading erythema so that the skin has the appearance of being scalded. It results primarily from a toxic reaction to various drugs, but occasionally occurs as a result of infection, neoplastic conditions, or other exposure. (12 Dec 1998) |