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Sensitization to morphine withdrawal in guinea-pigs

Mizutani, Akiko; Arvidsson, Jenny; Chahl, Loris A


The aim of this study was to determine whether sensitization occurred to morphine withdrawal. Guinea-pigs were treated twice daily with increasing doses of morphine (10-100 mg/kg s.c.) for 3 days followed by injection of morphine 100 mg/kg on the fourth day. Sixty min after the last morphine injection, animals were withdrawn from morphine with naltrexone, 15 mg/kg s.c., and locomotor activity and all other behaviours scored over 90 min. Animals were then rested for 3 days. This procedure was...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: European Journal of Pharmacology
DOI: 10.1016/j.ejphar.2004.12.043


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