Abstract：
:High doses of phenylephrine and diazepam (1 and 10 mg/kg, respectively) suppressed the development of generalized tonic-clonic pentylenetetrazole-induced convulsions in 86-100% rats, but did not prevent local clonic pentylenetetrazole-induced convulsions. Diazepam in the specified dose produced strong sedation, while phenylephrine had no sedative effect in the open-field test. Combined intragastric administration of phenylephrine in a medium and individually ineffective dose (0.3 mg/kg) and diazepam in a high dose (10 mg/kg) potentiated the anticonvulsant effect of diazepam: it prevented not only tonic-clonic, but also clonic pentylenetetrazole-induced convulsions in 100% rats and 2.6-fold increased anticonvulsant activity of diazepam. The specified combination of diazepam and phenylephrine had no sedative effect. The mechanism of potentiation of the anticonvulsive effect and elimination of the sedative side effect is based on stimulation of gastric mucosa afferents by phenylephrine.
journal_name
Bull Exp Biol Medjournal_title
Bulletin of experimental biology and medicineauthors
Serdyuk SE,Gmiro VEdoi
10.1007/s10517-014-2730-7subject
Has Abstractpub_date
2014-12-01 00:00:00pages
234-7issue
2eissn
0007-4888issn
1573-8221journal_volume
158pub_type
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