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Fig. 3 | Journal of Biomedical Science

Fig. 3

From: Effects of dextromethorphan and oxycodone on treatment of neuropathic pain in mice

Fig. 3

DM (10 mg/kg, i.p.) enhanced the acute effect of oxycodone (1 mg/kg, s.c.) on SNL-induced allodynia. The ipsilateral paw withdrawal pressure was determined 30 min after saline or drug administration every other day after SNL. (a) effects of DM10 (DM, 10 mg/kg, i.p.) or DM20 (DM, 20 mg/kg, i.p.); (b) effects of O1 (oxycodone, 1 mg/kg, s.c.) or O1 + DM10; (c) effects of O3 (oxycodone, 3 mg/kg, s.c.) or O3 + DM10. Data are presented as means ± S.E.M. (n = 5–9). One-way ANOVA and Newman-Keuls test were used to analyze the data. * P < 0.05, *** p < 0.001 vs. Sham + saline group; ### p < 0.001 vs. SNL + saline group; & p < 0.05 vs. SNL + O1 group

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