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Query: UMLS:C0033377 (prolapse)
 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Twelve antagonists of apomorphine-induced emesis in dogs were studied in different tests to evaluate their antiemetic specificity. Ten of these antagonists were neuroleptics: benzquinamide, clebopride, bromopride, prochlorperazine, haloperidol, chlorpromazine, thiethylperazine, metoclopramide, droperidol, and pimozide blocked conditioned responding in dogs and apomorphine-induced stereotyped behavior in rats. The use of these compounds as anti-emetics entails a risk of neurological side effects. Metopimazine and domperidone were devoid of neuroleptic activity. Metopimazine, however, showed potent alpha-adrenergic blocking activity, showed histamine H1 antagonism, and induced palpebral ptosis. Therapeutic doses of metopimazine are, therefore, likely to produce sedation and side-effects related to autonomic blockade, Domperidone showed potent antiemetic activity and, up to high doses, no other central or peripheral effects. Therefore, domperidone is the only specific antiemetic known.
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PMID:Antiemetic specificity of dopamine antagonists. 613 May 55

Duloxetine is a dual inhibitor of norepinephrine and serotonin reuptake. Duloxetine (3.13-50 mg/kg p.o.) significantly prevented tetrabenazine (1 and 50 mg/kg s.c.)-induced ptosis in mice and rats. Moreover, duloxetine (1.56-12.5 mg/kg p.o.) also inhibited reserpine (1 mg/kg s.c.)-induced hypothermia in mice. When duloxetine (12.5-100 mg/kg p.o.) and 5-hydroxytryptophan (80 and 100 mg/kg i.p.), a precursor of serotonin, were administered simultaneously to mice and rats, head movement behavior and tremor were observed. In addition, duloxetine (25-100 mg/kg p.o.) significantly attenuated immobility in forced swimming in mice, as equally effective as commonly used antidepressant drugs. Duloxetine (12.5-25 mg/kg p.o.) significantly decreased rapid eye movement sleep and slow-wave deep sleep and increased the awake period, as shown in the rat EEG. However, duloxetine (25-200 mg/kg p.o.) did not affect salivation and lacrimation induced by oxotremorine (1 mg/kg s.c.), a cholinergic agonist, whereas it (25-50 mg/kg) reduced the oxotremorine-induced tremor in part. These results indicated that duloxetine produced behavioral and electroencephalographic responses resulting from the inhibition of norepinephrine and serotonin reuptake in vivo, and that it had a weak anticholinergic action. Therefore, duloxetine may be clinically useful as an antidepressant.
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PMID:Behavioral and electroencephalographic properties of duloxetine (LY248686), a reuptake inhibitor of norepinephrine and serotonin, in mice and rats. 789 17