Effect of clopidogrel on Li-induced alterations in urinary parameters. (A) Urine AVP; (B) urine sodium; (C) urine total nitrates (NO3) and nitrites (NO2); and (D) urine 8-isoprostane. bw, body weight; CNT, control group; CLPD, clopidogral group; LI, Li alone; LI+CLPD, combination of Li and CLPD. n=4–6 rats per group. *Significantly different from all other groups by ANOVA followed by Tukey–Kramer multiple comparison test.