Group | Paw licking (s) | |||
---|---|---|---|---|
 | 1st phase | Inhibition | 2nd phase | Inhibition |
Control | 64.0 ± 2.9 | - | 32.6 ± 3.9 | - |
Morphine | Â | Â | Â | Â |
(7.5 mg/kg, i.p.) | 23.8 ± 2.8a | 62.8 | 2.9 ± 1.6a | 91.1 |
LA (mg/kg, i.p.) | Â | Â | Â | Â |
10 | 55.8 ± 3.6 | 12.8 | 41.2 ± 5.3 | - |
25 | 50.3 ± 4.7a | 21.4 | 13.8 ± 3.9a | 57.6 |
50 | 36.1 ± 2.2a | 46.5 | 12.6 ± 2,2a | 61.3 |
Morphine + Naloxone | Â | Â | Â | Â |
(7.5 + 2 mg/kg, i.p.) LA + Naloxone | 51.5 ± 5.3b | 19.5 | 29.1 ± 2.4b | 10.7 |
(50 + 2 mg/kg, i.p.) | 56.4 ± 2.0c | 11.9 | 29.1 ± 2.5c | 10.7 |