Abstract
SummaryThis study was designed to verify whether fluoxetine (FL), a serotonin (5-HT) re-uptake inhibitor, would interfere with nortriptyline (NT), a biphasic U-shaped curvilinear dose-response relationship recently described in our laboratory. We associated 10 mg/kg NT or vehicle to 0, 5, 10, 20 and 40 mg/kg FL, in one group, and 10 mg FL or vehicle to 0, 5, 10, 20 and 40 mg/kg NT, in another group, 30 min before the tail suspension test (TST) in mice. Although we were not able to confirm a synergistic effect between FL and NT, FL-NT association seems to require higher doses of NT to block its own anti-immobility effect at high doses, thus widening NT effective antidepressant-like dose range in mice submitted to TST.
Published Version
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