| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
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| HLD | hepatolenticular degeneration; herniated lumbar disk; Hippel-Lindau disease; hypersensitivity lung d... |
| HP | halogen phosphorus; handicapped person; haptoglobin; hard palate; Harvard pump; health profession(al... |
| HS | Haber syndrome; half strength; hamstring; hand surgery; Hartmann solution; head sling; healthy subje... |
| IH | idiopathic hirsutism; idiopathic hypercalciuria; immediate hypersensitivity; incompletely healed; in... |
| substance-induced organic mental disorders | Mental disorders caused by use of drugs, e.g., cocaine. (05 Mar 2000) |
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| diarrhoea, antibiotic-induced | A bacterium called Clostridium difficile (C.difficile), one of the most common causes of infection of the large bowel (colon). Patients taking antibiotics are at particular risk of becoming infected with C. Difficile. Antibiotics disrupt the normal bacteria of the bowel, allowing C. Difficile bacteria (and other bacteria) to become established and overgrow the colon. Many persons infected with C. Difficile bacteria have no symptoms but can become carriers of the bacteria and infect others. In other people, a toxin produced by C. Difficile causes diarrhoea, abdominal pain, severe inflammation of the colon (colitis), fever, an elevated white blood count, vomiting and dehydration. In severely affected patients, the inner lining of the colon becomes severely inflamed (a condition called pseudomembranous colitis). Rarely, the walls of the colon wear away and holes develop (colon perforation), which can lead to a life-threatening infection of the abdomen. (12 Dec 1998) |
| drug-induced cholestasis | <hepatology> A condition where a drug is interfering with the normal flow of bile from the liver to the gut via the biliary tract. The end result is jaundice. Origin: Gr. Stasis = stoppage (27 Sep 1997) |
| drug-induced diarrhoea | <gastroenterology> Diarrhoea may be produced by several mechanisms. Laxatives may produce diarrhoea by increasing the flow of water into the intestine or by increasing the intestinal motility. Antibiotic medications can cause diarrhoea by killing the normal bacteria that live in the intestine and help us digest our food. Some drugs produce diarrhoea as a side effect or as drug toxicity. (27 Sep 1997) |
| drug-induced disease | <pharmacology> A toxic reaction to or morbid condition resulting from the administration of a drug. (05 Mar 2000) |
| drug-induced eosinophilic lung disease | <radiology> Diffuse reticular pattern: nitrofurantoin, Loeffler-like pattern: penicillin, sulfonamides, ASA, para-ASA, imipramine, HCTZ, cromolyn sodium see: eosinophilic lung disease (12 Dec 1998) |
| drug-induced hepatitis | <hepatology, pathology> Inflammation and hepatocellular damage of the liver that is caused by a drug. Some medications may cause inflammation of the liver as a drug side effect or drug toxicity. Drugs that are known to cause hepatitis include acetaminophen, isoniazid, halothane, methyldopa, erythromycin and oral contraceptives. (27 Sep 1997) |
| drug-induced lupus | <dermatology> An inflammatory autoimmune disorder, similar to lupus, that develops in response to the use of a particular medication. It is characterised by anti-histone antibodies. More benign than the usual disease, with less renal involvement. The syndrome clears after stopping the offending drug. Drugs that are known to cause this reaction include procainamide, isoniazid, sulphasalazine, hydralazine, methyldopa, phenytoin, chlorpromazine and penicillamine. The arthritis, cardiac, pulmonary and systemic features may be present, but the kidney involvement (nephritis) and neurologic disease are rare. Symptoms generally resolve spontaneously after stopping the medication. Complications include myocarditis, pericarditis, thrombocytopenic purpura and infections. (18 Jul 2002) |
| drug-induced tremor | <neurology, pharmacology> A drug-induced condition where there is shaking (tremor) of the extremities that is increased with purposeful movement. Drugs known to induce tremor include: theophylline, Alupent, cyclosporine, amphetamines, lithium and caffeine. (27 Sep 1997) |
| dyskinesia, drug-induced | Abnormal movements induced as an adverse reaction of drug therapy. One particular movement disorder is the "on-off" effect. Tardive dyskinesia differs from akathisia, drug-induced in the repetitive nature of the movements rather than being associated with anxiety, restlessness, and agitation found in akathisia. (12 Dec 1998) |
| induced abortion | An abortion brought on purposefully by drugs or mechanical means. (05 Mar 2000) |
| induced apnea | Intentional respiratory arrest during general anaesthesia produced by hypocapnia, a muscle relaxant drug, respiratory centre depression, or sudden cessation of controlled respiration. (05 Mar 2000) |
| induced enzyme | Inducible enzyme, an enzyme that can be detected in a growing culture of a microorganism, after the addition of a particular substance (inducer) to the culture medium, but was not detectable prior to the addition and can act on the inducer. A prototype is the beta-galactosidase of Escherichia coli, synthesised upon the addition of various galactosides, whether or not these are good substrates. Compare: constitutive enzyme. Synonym: adaptive enzyme. (05 Mar 2000) |
| induced fever | 1. Obsolete synonym for pyrotherapy. 2. Treatment of fever. Synonym: artificial fever, induced fever. Origin: pyreto-+ G. Therapeia, treatment (05 Mar 2000) |
| induced fit | A change in the conformation of an enzyme due to it binding to asubstrate that makes it catalyticallyactive. A situation where any molecule changes shape as it binds toa ligand so that its bindingsite more closely conforms to the shape of the ligand. (09 Oct 1997) |